034 should invest some time into more content like this. This could be another big thing to separate you guys from the competition. For instance, if people saw 034 had a bunch of livestream clips AND videos (diy or tips) more people would for sure make the right choice and go with 034. I think that would really up your sales.
Is there any timeline on when you will be releasing your version? I've put off replacing mine in anticipation of yours, but it's been a long time since you released an update on this.
I recall asking about Racingline's PCV replacement Oil Catch can on one of the live episodes and Jivad pretty much blew off my questions stating the B9 PCV is pretty stout. Now all of a sudden the PCV is not so stout...
We have been working on our own catch can kit for a year now, so not sure why I would blow off a question like that. In fact I do remember answering your question, and yes at that time we did not know the PCV was a failure point, then thanks to our car burning down we learned it is. Everyone thought that factory PCV was good back then, now everyone knows it’s a point of failure.
In addition, it was mentioned the Racingline item was in house and evaluation/testing was being performed. What results can you share that lead you to maintain both inlet inputs?
Mine just failed. I have 2018 S4 with 66k. I've been having oil consumption problems since 45k. Had the oil filter housing replaced 2 years ago and still had issues. Hopefully, this helps. Thank goodness for my extended warranty.
hmm i get a stutter when cruising with a catch can only when going slow, i think nick just explained why.. because of not being under negative vacumm when cruising... looks like best idea would be go back to stock as loong as check valve works, and wait for 034 one.
At least the PCV is easily accessible in this new V6 and not a PITA like the B8 3.0t's. Still a shame to see Audi not able to make a robust PCV system for over 20 years. They'll get it right im sure when all their cars are electric lol.
I assume the unwanted ejection of the oil cap is due to the oil cap unthreading? It does not just blow off from the full threaded on position, correct? If it's a case of loosening by boost pressure (unthreading) and as a safety precaution, it may be possible to drill a small hole in the oil cap perpendicular to the slot which runs from the 9 o'clock position to the 3 o'clock position (drill the hole closest to the 9 o'clock position) and implement a safety wire style fix where the oil cap is tied off to the nearest engine hoist eyelet hole. When the oil cap tries to rotate counterclockwise, the safety wire mechanism will hold it in place to prevent that unwanted movement. The negative of this type of fix is the inconvenience of having to remove the safety wire style mechanism when needing to fill oil and replace it when done. Maybe use some type of keyring within the oil cap hole and a reusable heavy-duty cable tie (one that can withstand the environment of the engine bay).
I had to replace the PCV system on my 2.9TT under warranty at 16,000 miles due to failure. I’m still interested in upgrading to your solution when it comes out.
is the catch can kit also going to be compatible with the rs5 2.9tt? thank you guys for bringing awareness to this issue, looking forward to the release of the kit!
So we're saying the PCV system is insufficient/faulty. Have you tested the updated OEM part for longevity, and have there been any failures with that part that have been noted? As the Audi TSB only stipulates 2017-2019 models within a specific range as being affected. So curious how problematic this actually is for those with the updated OEM part.
Long term testing is currently being conducted so there is no way to truly have a 100% accurate answer on whether or not the revised part will hold up over time. But as of now, it is a good step to ensure you have replaced the old part with the new variant and inspect regularly to avoid potential damage from a failed PCV. This should hold over most vehicles until our full PCV and catch can solution is released later this year.
I just bought a used , 100 mile , 2017, Q-7 ( supercharged 3.0 t TFSI ) burns through a quart of oil every 300 miles. Do you have a tutorial on how to diagnose for a bad PCV on this model? Last week I just did a B-12 Chemtool piston soak hoping that it would help. Too early to tell yet. No dash engine fault lights indicating anything . But I suspect the PCV may be the underlying cause. I just don't want to have to pull the supercharger and swap the PCV on speculation. Any help on how to definitively diagnose the PCV is appreciated??
Unsure if mine has failed. I can blow through where you said I shouldn’t in smallish volumes. If I blow harder I can feel the plunger closing and air stops. Should this happen?
Thank you! It’s appreciated. The moment you have your catch can available for sale on the 2.9 RS5 I’ll be buying one. Perchance an ETA - even if a rough guess?
I wish you would add a tutorial about removing those clips, especially since the new one comes attached to the intake pipe. It would be a shame to break the brand new one when trying to remove the hose.
I’ve replaced the PCV system twice within a year now, the car has only some 20k miles. But one way or another, I still hear a annoying whistle coming from that side of the engine. The whistle is only there in idle mode when the oil temperature exceeds 87 degrees C, which is normal operating temperature. Any ideas on this?
Hi sir nice video I am having a problem with my golf 5gti dsg multitrinic paddle shift running stage 2 with 76mm down pipe resonator deleted car drove awesome a whole year but 2months ago my car started to misfire after a rough driving on manual and sports mode on a high way but as soon I get to busy traffic roads and driving on d mode the car starts to mk a push when shifting and misfire at times changed spark plugs misfire was gone but other issue of driving on D mode after rough driving the push and power should still decrease went to diagnose only evap related codes were captured incorrect air purge flow replaced N80 valve and evap canister code didn't return but problem remained the same removed manifold cleaned intake valves no positive response started with fuel related replacing intake fuel pump high pressure fuel sensor new cam follower even though old1 was not worn swoped high pressure fuel pump and still no results then I was told to disconnect o2 bank1 sensor and test drive as bank2 sensor is off by map tuning by disconnecting the o2 sensor car drive like a dream problem fully sorted but after replacing the o2 sensor the car is again doing the same 😢😢😢😢 even replaced pcv valve I am so frustrated Kasam I don't know what to do anymore saw ur video and now thinking maybe it's my coils bcs the mechanic only could find misfire by one coil and replaced 1 and other coils r weak too after getting to maximum heat after rough driving and if I let it cool for a while then it's OK to drive on D mode sm1 said u must switch the o2 sensor off by the tuner and drive like that but my concern the whole year car was driving fine with only 2nd sensor switched off please advice sir 😢😢😢😢😢
So I replaced the hose and the inlet it’s connected to and I also checked the old hose and inlet it seemed to hold pressure fine but I still replaced it anyway since I had it off. I cleared the code and it came back on. Do you think it can be the oil crank casing that’s causing the same code to come back on?! Their is no oil around the crankcase itself that’s connected to the motor but I did notice a tiny bit on the top ring of the oil cap but not sure if that from the last oil change that was done. Any tips?!
@RaNm2418 it was my evap purge solenoid that was going bad. Replaced that i cleared the code and no issues at all. I have a 2018 s5 and not a lot of people had to change theirs purge solenoid and I have lower miles I’m now at 65k other ppl I know are around 90k plus and have not had to change it yet. I was the unlucky one but the price wasn’t bad. Theirs an Audi parts site for the USA all oem parts ships rlly quickly. Bought the inlet and hoses and also my purge solenoid. The inlet was a bitch to replace cause of the lower screw on the inlet itself. The purge valve was really easy to replace took me 10mins tops just. You just have to buy new hose clamps since Audis uses a one time hose clamp clip.
Super informative, thank you. Other than oil seepage at the cap, are there any other symptoms that might show the check valve is failing? Something that may tip you off prior to unbolting things? Something VAG-Com might detect?
Don't quote me on this but, What I've heard is; You may also see the engine burning a little oil on the process, making it look like you didn't use enough oil when changing it/replacing it, or that you need to top it off sooner than before, or ever.
Pretty sure this is the issue I’m having at the moment! Going stage 3 in the new year (Pure 750, HPFP & 4 Bar MAP sensors) and will eventually go stage 3+ with injectors and ethanol. Is there an aftermarket PCV Valve on the market? I’m worried it’s going to keep failing once I start making some serious boost.
They’re currently in production and should be available later this year. In the interim, we highly recommend inspecting your current system to ensure it is still functioning properly
The previous owner of my B9 S4 put a catch can on it and I think it may be causing issues. I really hope your solution comes out soon but I'm not sure I want to wait. How can I get a full list of parts to put the OEM PCV system back in? I see you've listed the breather hose but I need everything. I'm a customer of yours if that matters :)
Thank you for your continued support! Your best bet here is to contact your local dealer for a parts list as they will be able to provide a complete diagram of the system with part numbers
Hi I have a friend with audi s5 with a p04f00 EVAP high pressure. passive/sporatic. He also mentioned that at cold start up he has lack of brake pedal but once warmed up goes back to normal. This far fetched but I was wondering if this pcv valve would cause brake booster problem. I know that there is a vacuum pump that supplies vacuum to brake booster and waste gate solenoid. I would like your expert opinion. Thanks by the way for all your great videos
Do you think that this would cause a misfire? I’m having a very odd issue with my 2019 S4 where when idling the car will start to misfire but anytime I get underload. The engine immediately runs smooth. I’ve tried replacing the coil packs and the spark plug as well as moving the coil pack to see if it is a different one, but I continue to get a cylinder six misfire. This is my next idea do you think this may fix that?
Hey, thanks for the great video. I saw other videos mentioning that the PCV unit itself, and the other side of the hose needs to be replaced as well, so 3 parts in total. Is this true or just this one?
While others may have had failures or issues with that component, we've only had experience with failures of the breather hose component of the PCV system - which this video walks through how to test & diagnose.
Got it! I tested it today and it held pressure. I didn’t takeoff the “irremovable” hose and instead took the 2 pinch ones off and blew into the short one. May be interesting to note that you don’t need to? (Assuming I’m not missing anything) I did have a slight coating of oil but that’s expected
Can you elaborate on the importance of retaining both inlet openings and consequences of caping off the high side pressure outlet like Racingline’s design?
Got it. I’m new to understanding how the PCV works. This video does a great job kickstarting the conversation. I do have a question.. What are the consequences of NOT evacuating pressurized air from crankcase?
@@ucisigma All of the seals and components within the crankcase are designed to operate under a light vacuum. That vacuum keeps various oil seals, piston ring seals, and other internal systems in place. If there is no vacuum in the crankcase, or even worse, positive pressure, those systems can be strained. Signficant positive crankcase pressure can result in oil consumption issues, backpressure behind the pistons that can lead to reduced performance, and oil seals like the front and rear main can actually blow out and leak. Keeping a slight vacuum within the crankcase is crucial to keeping the entire system running as it should.
Thanks for this, following your guide I found my PCV hose also had a 2 way valve(!) I replaced the hose like for like and new breather hose is good, but disappointingly still getting oil around the filler cap :/
034Motorsport and Racingline engineer and produce products separately. We cannot speak regarding Racingline product, and will continue to focus on our own products and developments.
I'm going to look like scuba steve to my neighbors blowing into my snorkel with the hood popped open. Better yet, I'll have to walk into my local dealer/parts department and let them know how I found the faulty PCV check valve.
I've got a bit of oil around the oil cap now and a CEL for p0441 EVAP valve. Have to wait 2 months for an appointment at my local overbooked dealership but will report back on if the CEL is related.
It's crazy that this video came out the minute I experienced this issue I have had my oil cap blow off twice this weekend after having my pcv replaced under warranty by audi due to it leaking oil from the cap! What would you recommend I do until you release your product do I buy a racing line catchcan till you release your product or go back to audi again to replace pcv under warranty then buy your product? Not sure how long till you release etc
In the meantime, we recommend replacing with the new revision OE breather hose from Audi. We're actively working on a solution and hope to unveil more information about it soon.
I replaced this hose as i tested it and was able to blow through the tube but now my car has a check wngine light and my throttle on idle keeps jumping to 1,700 and back down to 900. What coukd be the cause?
any update fellas? CBF buying more replacement AUDI parts for a system that is just going to fail again ;( or should i just buy Racingline's Oil Catch Can and be done with the PCV all together ^_^@@034motorsport
UPDATE: We have now released our PCV Breather Hose and Catch Can upgrades to remedy this failure point! See this video here for details: th-cam.com/video/-f5TDRxLM_I/w-d-xo.htmlsi=ZvnQ9f6vDjfOvqgA
@@034motorsport thank you also mine is leaking oil out the top and the oil cap keeps coming lose when driven hard and comes up saying drive system fault so this video has me wondering if it’s just the pcv I need to replace? Or put in a whole new solid after market unit which you guys spoke about building yourselfs
The hose on the turbo inlet does require some strength, simply pull back straight. The other hoses you simply push the outer plastic ring and they should pop off.
@@034motorsportyes exactly I was at a shop awaiting my stage 1 tune only to find out I had this problem before we even flashed the car…went to Audi dealership and just got it fixed…wish I seen this video earlier I would have order the part from 034
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034 should invest some time into more content like this. This could be another big thing to separate you guys from the competition.
For instance, if people saw 034 had a bunch of livestream clips AND videos (diy or tips) more people would for sure make the right choice and go with 034. I think that would really up your sales.
Thank you! We're here for the people!
I'm excited to see what you guys make as the improved replacement.
Thank you for providing this video. I had mine fail on a 2018 Audi S4 with 53,0000 miles. Oil around the cap area and kept losing oil.
Glad it helped
How you fix? Replace hoses or the whole Pcv?
I’m
Having same issue now
Same with mine, 62000mi currently no problems
I have this exact same problem and garages are saying it was either my turbo or pistons . Thanks very much I’ll be checking this first!
This is very helpful for a current issue I’m experiencing on my own 2018 Audi S4
Is there any timeline on when you will be releasing your version? I've put off replacing mine in anticipation of yours, but it's been a long time since you released an update on this.
I recall asking about Racingline's PCV replacement Oil Catch can on one of the live episodes and Jivad pretty much blew off my questions stating the B9 PCV is pretty stout. Now all of a sudden the PCV is not so stout...
We have been working on our own catch can kit for a year now, so not sure why I would blow off a question like that. In fact I do remember answering your question, and yes at that time we did not know the PCV was a failure point, then thanks to our car burning down we learned it is.
Everyone thought that factory PCV was good back then, now everyone knows it’s a point of failure.
In addition, it was mentioned the Racingline item was in house and evaluation/testing was being performed. What results can you share that lead you to maintain both inlet inputs?
Glad to hear you guys are coming out with it. I will buy it before mine fails
Mine just failed. I have 2018 S4 with 66k. I've been having oil consumption problems since 45k. Had the oil filter housing replaced 2 years ago and still had issues. Hopefully, this helps. Thank goodness for my extended warranty.
hmm i get a stutter when cruising with a catch can only when going slow, i think nick just explained why.. because of not being under negative vacumm when cruising... looks like best idea would be go back to stock as loong as check valve works, and wait for 034 one.
At least the PCV is easily accessible in this new V6 and not a PITA like the B8 3.0t's. Still a shame to see Audi not able to make a robust PCV system for over 20 years. They'll get it right im sure when all their cars are electric lol.
I assume the unwanted ejection of the oil cap is due to the oil cap unthreading? It does not just blow off from the full threaded on position, correct?
If it's a case of loosening by boost pressure (unthreading) and as a safety precaution, it may be possible to drill a small hole in the oil cap perpendicular to the slot which runs from the 9 o'clock position to the 3 o'clock position (drill the hole closest to the 9 o'clock position) and implement a safety wire style fix where the oil cap is tied off to the nearest engine hoist eyelet hole. When the oil cap tries to rotate counterclockwise, the safety wire mechanism will hold it in place to prevent that unwanted movement.
The negative of this type of fix is the inconvenience of having to remove the safety wire style mechanism when needing to fill oil and replace it when done. Maybe use some type of keyring within the oil cap hole and a reusable heavy-duty cable tie (one that can withstand the environment of the engine bay).
Yes the cap unthreads, once it gets loose however the boost pressure and vibration can spin it off quite quickly
I had to replace the PCV system on my 2.9TT under warranty at 16,000 miles due to failure. I’m still interested in upgrading to your solution when it comes out.
Just looked at my oil cap and sure enough it's started weeping, so looks like I'll be doing this asap. Looking forward to your catch can.
Definitely do not wait. Get it replaced asap.
@@93ChayZ waiting to see where I can get the replacement
is the catch can kit also going to be compatible with the rs5 2.9tt? thank you guys for bringing awareness to this issue, looking forward to the release of the kit!
There will be an RS5 variant of the kit as well, yes. Thank you for the support!
So we're saying the PCV system is insufficient/faulty. Have you tested the updated OEM part for longevity, and have there been any failures with that part that have been noted? As the Audi TSB only stipulates 2017-2019 models within a specific range as being affected. So curious how problematic this actually is for those with the updated OEM part.
Long term testing is currently being conducted so there is no way to truly have a 100% accurate answer on whether or not the revised part will hold up over time. But as of now, it is a good step to ensure you have replaced the old part with the new variant and inspect regularly to avoid potential damage from a failed PCV.
This should hold over most vehicles until our full PCV and catch can solution is released later this year.
@@034motorsport Great, thanks, I'm looking forward to it!
I just bought a used , 100 mile , 2017, Q-7 ( supercharged 3.0 t TFSI ) burns through a quart of oil every 300 miles. Do you have a tutorial on how to diagnose for a bad PCV on this model? Last week I just did a B-12 Chemtool piston soak hoping that it would help. Too early to tell yet. No dash engine fault lights indicating anything . But I suspect the PCV may be the underlying cause. I just don't want to have to pull the supercharger and swap the PCV on speculation. Any help on how to definitively diagnose the PCV is appreciated??
Unsure if mine has failed. I can blow through where you said I shouldn’t in smallish volumes. If I blow harder I can feel the plunger closing and air stops.
Should this happen?
Yes, this is the proper function of the check valve.
Thank you! It’s appreciated.
The moment you have your catch can available for sale on the 2.9 RS5 I’ll be buying one. Perchance an ETA - even if a rough guess?
"Clean the hoses before you stick them in your mouth you dummies." Always looking out for us Nick. :)
It ain't much, but it's honest work
Have you guys finished and placed the catch can for purchase yet?
Can we see the new upgraded one that you guys have for sale in your site
Thank you it was very informative and I learned quite a bit
Thank you for watching and supporting us. It is much appreciated!
Hey I need to order the part for mines my oil cap keeps getting blown off 😅
Where can I order this part at please inform me
I wish you would add a tutorial about removing those clips, especially since the new one comes attached to the intake pipe. It would be a shame to break the brand new one when trying to remove the hose.
You can remove by simply pulling it apart. The other connections require you to simply pinch and disconnect.
@@034motorsport Awesome, thank you.
I’ve replaced the PCV system twice within a year now, the car has only some 20k miles. But one way or another, I still hear a annoying whistle coming from that side of the engine. The whistle is only there in idle mode when the oil temperature exceeds 87 degrees C, which is normal operating temperature. Any ideas on this?
Any update on when this is expected to come out?
Hi sir nice video I am having a problem with my golf 5gti dsg multitrinic paddle shift running stage 2 with 76mm down pipe resonator deleted car drove awesome a whole year but 2months ago my car started to misfire after a rough driving on manual and sports mode on a high way but as soon I get to busy traffic roads and driving on d mode the car starts to mk a push when shifting and misfire at times changed spark plugs misfire was gone but other issue of driving on D mode after rough driving the push and power should still decrease went to diagnose only evap related codes were captured incorrect air purge flow replaced N80 valve and evap canister code didn't return but problem remained the same removed manifold cleaned intake valves no positive response started with fuel related replacing intake fuel pump high pressure fuel sensor new cam follower even though old1 was not worn swoped high pressure fuel pump and still no results then I was told to disconnect o2 bank1 sensor and test drive as bank2 sensor is off by map tuning by disconnecting the o2 sensor car drive like a dream problem fully sorted but after replacing the o2 sensor the car is again doing the same 😢😢😢😢 even replaced pcv valve I am so frustrated Kasam I don't know what to do anymore saw ur video and now thinking maybe it's my coils bcs the mechanic only could find misfire by one coil and replaced 1 and other coils r weak too after getting to maximum heat after rough driving and if I let it cool for a while then it's OK to drive on D mode sm1 said u must switch the o2 sensor off by the tuner and drive like that but my concern the whole year car was driving fine with only 2nd sensor switched off please advice sir 😢😢😢😢😢
Sameer, if you're tuned by us, please email us at tuning@034motorsport.com for further assistance.
So I replaced the hose and the inlet it’s connected to and I also checked the old hose and inlet it seemed to hold pressure fine but I still replaced it anyway since I had it off. I cleared the code and it came back on. Do you think it can be the oil crank casing that’s causing the same code to come back on?! Their is no oil around the crankcase itself that’s connected to the motor but I did notice a tiny bit on the top ring of the oil cap but not sure if that from the last oil change that was done. Any tips?!
Any follow up to this? Did you resolve?
@RaNm2418 it was my evap purge solenoid that was going bad. Replaced that i cleared the code and no issues at all. I have a 2018 s5 and not a lot of people had to change theirs purge solenoid and I have lower miles I’m now at 65k other ppl I know are around 90k plus and have not had to change it yet. I was the unlucky one but the price wasn’t bad. Theirs an Audi parts site for the USA all oem parts ships rlly quickly. Bought the inlet and hoses and also my purge solenoid. The inlet was a bitch to replace cause of the lower screw on the inlet itself. The purge valve was really easy to replace took me 10mins tops just. You just have to buy new hose clamps since Audis uses a one time hose clamp clip.
When can we expect this to release? I’m looking to upgrade my system ASAP because I do see some of these signs.
No ETA at this time, but it is in active developement!
Thank you! I’m sure there will be an announcement on it and I’ll be sure to check it out once it’s out.
@@034motorsport any updates on the release?
any idea when the revised part was put into effect? also, when i put that part number in parts.audiusa it says its not for this car
Super informative, thank you. Other than oil seepage at the cap, are there any other symptoms that might show the check valve is failing? Something that may tip you off prior to unbolting things? Something VAG-Com might detect?
Don't quote me on this but, What I've heard is; You may also see the engine burning a little oil on the process, making it look like you didn't use enough oil when changing it/replacing it, or that you need to top it off sooner than before, or ever.
Typically there are not, you may experience some drivability issues.
There are no engine codes that pop up if this valve has failed that we have seen.
If the valve fails what kind of damage could happen if it goes unnoticed
Hey Jamie, I recommend watching from 2:03, as that is where symptoms of a failing valve are discussed.
Any updates on delivering an updated breather assembly?
It is still being actively worked on!
Pretty sure this is the issue I’m having at the moment! Going stage 3 in the new year (Pure 750, HPFP & 4 Bar MAP sensors) and will eventually go stage 3+ with injectors and ethanol. Is there an aftermarket PCV Valve on the market? I’m worried it’s going to keep failing once I start making some serious boost.
Not that we're aware of but we're coming out with our solution for the platform soon.
Any ETA on the 034 PCV and catch-can at this time?
They’re currently in production and should be available later this year. In the interim, we highly recommend inspecting your current system to ensure it is still functioning properly
Real soon It will be made Avalible
Good to know. Thanks
Has this been made yet?
This is still in development & testing!
The previous owner of my B9 S4 put a catch can on it and I think it may be causing issues. I really hope your solution comes out soon but I'm not sure I want to wait. How can I get a full list of parts to put the OEM PCV system back in? I see you've listed the breather hose but I need everything.
I'm a customer of yours if that matters :)
Thank you for your continued support! Your best bet here is to contact your local dealer for a parts list as they will be able to provide a complete diagram of the system with part numbers
Why can’t I find a video on how to properly take the hose out?? 😖😖
found anything?
Hi I have a friend with audi s5 with a p04f00 EVAP high pressure. passive/sporatic. He also mentioned that at cold start up he has lack of brake pedal but once warmed up goes back to normal. This far fetched but I was wondering if this pcv valve would cause brake booster problem. I know that there is a vacuum pump that supplies vacuum to brake booster and waste gate solenoid. I would like your expert opinion. Thanks by the way for all your great videos
The PCV system and vacuum pump are unrelated on the B9
Do you think that this would cause a misfire? I’m having a very odd issue with my 2019 S4 where when idling the car will start to misfire but anytime I get underload. The engine immediately runs smooth. I’ve tried replacing the coil packs and the spark plug as well as moving the coil pack to see if it is a different one, but I continue to get a cylinder six misfire. This is my next idea do you think this may fix that?
This can cause a misfire, but we'd recommend bringing your car to a shop for diagnosis
I see an oily residue on the PCV hoses, is that a sign that it's failed?
Everything else is dry and residue free.
It would be best to simply pull the hose off and test as shown in the video. Some seepage may be normal and within spec.
Can’t wait!! Thanks
Hurry and make the upgraded!! Waterpump and thermostat and also the upgraded pcv system !!! 🎉🎉🎉
Hello is there a vid showing how to remove the hose
We do not have a video on this, but the hose should be able to come off easily with a nice pull.
Have there been any known issues with the breather hose that lives UNDER the turbo?
Not that we've seen
Hi,do you have the part number for just the check valve and hoses as i dont need the turbo elbow.
These parts are only available together.
Does the part number listed in the description fit all B9 3.0T?
Yes, 06M-129-041 will fit all B9/B9.5 3.0T.
I searched the hose and sq5 aren’t compatible, anyone have the part number for sq5
Hey, thanks for the great video. I saw other videos mentioning that the PCV unit itself, and the other side of the hose needs to be replaced as well, so 3 parts in total. Is this true or just this one?
While others may have had failures or issues with that component, we've only had experience with failures of the breather hose component of the PCV system - which this video walks through how to test & diagnose.
Got it! I tested it today and it held pressure. I didn’t takeoff the “irremovable” hose and instead took the 2 pinch ones off and blew into the short one. May be interesting to note that you don’t need to? (Assuming I’m not missing anything) I did have a slight coating of oil but that’s expected
Hi , can you explain me where is that check valve?
The check valve is within this breather hose, as demonstrated in the video.
@@034motorsport so it’s inside the breather hose
Can you elaborate on the importance of retaining both inlet openings and consequences of caping off the high side pressure outlet like Racingline’s design?
5:37
Got it. I’m new to understanding how the PCV works. This video does a great job kickstarting the conversation. I do have a question.. What are the consequences of NOT evacuating pressurized air from crankcase?
@@ucisigma All of the seals and components within the crankcase are designed to operate under a light vacuum. That vacuum keeps various oil seals, piston ring seals, and other internal systems in place. If there is no vacuum in the crankcase, or even worse, positive pressure, those systems can be strained. Signficant positive crankcase pressure can result in oil consumption issues, backpressure behind the pistons that can lead to reduced performance, and oil seals like the front and rear main can actually blow out and leak.
Keeping a slight vacuum within the crankcase is crucial to keeping the entire system running as it should.
@@034motorsport thank you. This makes sense. I’m persistent to ask when I don’t understand. Like always I appreciate the time and effort.
Would this part number fit 2018 SQ5 B9 on Audi parts website doesn’t show my model on the car list
Yes, the OE component is the same.
Thanks for this, following your guide I found my PCV hose also had a 2 way valve(!) I replaced the hose like for like and new breather hose is good, but disappointingly still getting oil around the filler cap :/
We've got something in the works for that ;)
Hi any update on this@@034motorsport
Did you consult or work together with Racingline to address the issue?
034Motorsport and Racingline engineer and produce products separately. We cannot speak regarding Racingline product, and will continue to focus on our own products and developments.
Racinglines system says compatible upto 30psi ? How much psi is a 810 pushing and does their system solve the problem permanently
That’s a good question for Racingline, we wouldn’t know the answer to those questions.
I'm going to look like scuba steve to my neighbors blowing into my snorkel with the hood popped open. Better yet, I'll have to walk into my local dealer/parts department and let them know how I found the faulty PCV check valve.
We think it would be productive to look like Scuba Steve whilst walking into your local parts department as it would likely get you a discount!
I've got a bit of oil around the oil cap now and a CEL for p0441 EVAP valve. Have to wait 2 months for an appointment at my local overbooked dealership but will report back on if the CEL is related.
@@morganlingsweiler9813 we'd recommend testing the hose yourself, if it's leaking it's not a good thing.
Does this count for b9 RS5?
I'm wondering this as well. Although the RS5 uses the 2.9L engine instead of the 3.0L so they may have different pcv systems.
We have not seen failures on RS5s yet, but the part structure is similar and theoretically can be susceptible to the same failure.
Is there a link for this on 034 website? I am not having luck finding it on your website.
We do not offer a solution yet, and we don’t offer the latest PCV breather hose on our site
@@034motorsport Thanks for the quick reply!
I got a 17 plate s5 just had pvc replaced i have negative pressure if i take off the oil cap whilst running is that normal?
That is normal behavior of the engine
It's crazy that this video came out the minute I experienced this issue I have had my oil cap blow off twice this weekend after having my pcv replaced under warranty by audi due to it leaking oil from the cap! What would you recommend I do until you release your product do I buy a racing line catchcan till you release your product or go back to audi again to replace pcv under warranty then buy your product? Not sure how long till you release etc
In the meantime, we recommend replacing with the new revision OE breather hose from Audi. We're actively working on a solution and hope to unveil more information about it soon.
@@034motorsport do you have a part number for this revised hose?
It is in the video description!
I replaced this hose as i tested it and was able to blow through the tube but now my car has a check wngine light and my throttle on idle keeps jumping to 1,700 and back down to 900. What coukd be the cause?
John, we recommend using a scan tool to check for any error codes, but bringing it into a shop for inspection would be your best bet.
Hi John, Any updates on your problem? Thanks
I have a question what is P04f0? On a 2018 Audi s4
That code is related to your EVAP system. We'd recommend bringing your car to a shop.
Any word on when the mentioned 034 catch can will be released?
No ETA at this time, but I recommend following us on Instagram and Facebook to stay up to date with whenever we release a new product!
It is still in development and we hope to release it soon!
dynamic+ lowering springs on f30 335i m performance with EDC is ok? Thanks.
Yes, our Lowering Springs are compatible with the factory EDC in your F30 335i.
Any update on this product
We recently posted an update about this product here: th-cam.com/video/MxBGqtLf--4/w-d-xo.htmlsi=wtCQR9URoZEULTko
I will definetly get one of these. Is there any chance to get it shipped to germany ?
Absolutely, we ship to Germany and dozens of International destinations every day.
I would get one for Italy when available, thanks @@034motorsport
When is the catch can coming
This is something we're still working on & testing!
@@034motorsport any eta
How come everytime I put in the part number it says it does not fit the 2018 S4?
The newer part number will fit 2018 S4s
@@034motorsport yeah I ordered the part number you listed in the description
How do you remove the hoses
You can remove the one from the turbo inlet by tugging on it firmly. The others you can remove by simply pinching the outer ring.
Hola cambié la bomba de agua y termostato de ese motor pero se esta calentando me podrías ayudar para saber cómo se purga el sistema
You should bring your vehicle to a shop for a proper diagnosis.
do we have an eta on this beauty?
No ETA at this time, but it has been in active development.
any update fellas? CBF buying more replacement AUDI parts for a system that is just going to fail again ;( or should i just buy Racingline's Oil Catch Can and be done with the PCV all together ^_^@@034motorsport
Woof woof❤
Is it safe to put a hood dump with 034 stage 2 tuning on a b9 s4?
This is not something we've tested.
@@034motorsport wanna use me as a guinea pig?
is it the same for the supercharged engines?
This only applies to B9/B9.5 3.0T turbocharged vehicles.
I live in the Bay Area, are you guys able to do the replacement at your Fremont HQ via appointment?
Absolutely. Email service@ztfauto.com and our team would happily schedule you for service!
Thx
Anything on this yet guys?
The Catch Can + PCV is in production and will be coming out before the end of the year
UPDATE: We have now released our PCV Breather Hose and Catch Can upgrades to remedy this failure point! See this video here for details: th-cam.com/video/-f5TDRxLM_I/w-d-xo.htmlsi=ZvnQ9f6vDjfOvqgA
What oil do you recommend for b9 s5 ?
We have a video talking about this topic in detail here: th-cam.com/video/5OQSp6AL824/w-d-xo.htmlsi=KJehCuTvd35hkVqH
@@034motorsport thank you also mine is leaking oil out the top and the oil cap keeps coming lose when driven hard and comes up saying drive system fault so this video has me wondering if it’s just the pcv I need to replace? Or put in a whole new solid after market unit which you guys spoke about building yourselfs
Can you please show a video on how to take off the hose. I’m not trying to break the existing hose.
The hose on the turbo inlet does require some strength, simply pull back straight.
The other hoses you simply push the outer plastic ring and they should pop off.
Part# for hose?
Part numbers are listed in the TSB in the video description!
When this going to drop? I need to invest lol!
The solution is being worked on as we speak, but we do not have an ETA yet.
My pcv passed the blow test but I have oil seepage around my cap and some oil in the pcv it’s self. Does that mean it’s failing still ?
It can potentially mean the PCV itself is failed.
There goes getting a stage 1 😢
Why do you say that?
This issue happens on stock vehicles as well as tuned vehicles. You should not feel any apprehension about tuning your car.
@@034motorsportyes exactly I was at a shop awaiting my stage 1 tune only to find out I had this problem before we even flashed the car…went to Audi dealership and just got it fixed…wish I seen this video earlier I would have order the part from 034
That should be a recall from stupid audi dealers