How To Replace The Evap Vent Valve On A Chevy Tahoe/suburban
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- เผยแพร่เมื่อ 16 ต.ค. 2024
- Brian Eslick from How to Automotive www.howtoautomo... takes you step-by-step through the process of replacing the evap vent valve on a 2000-2006 Chevy Tahoe/Suburban with side gas tank. You my have a error code P0449 that will need to be cleared with a scan tool.
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Thanks for the "complete" instructions. Other videos I came across failed to show the complete removal process, specifically where you have to use a screwdriver to pry the little tabs out because the squeezing doesn't work. You were a great help! Thanks! 2005 Chevrolet Avalanche Z71
Nice job! Short, edited, to the point!
Excellent video - this helped me accomplish this task within two hours. I took the mounting bracket off and pushed the vent hose through from the other side of gas tank to give me enough room to wiggle off the fitting. Only video out there which addresses the 2003 Chevy Silverado 1500 evap vent - as it was the only year made like this. Thanks again.
I was wondering why I was having trouble finding a video on my 03 Yukon XL. My experience may have been like yours; as in the only year that it was designed like this. I ended up having to buy the entire OEM kit that included the hose.
Great job on the video very informative straight to the point keep it up and I'll keep watching
Just a short note on this repair. The vent valve has been updated with a modified kit, available from AC Delco or Dorman. It replaces the old box vent control valve with an inline filter/valve assembly, relocating the actual vent higher on the chassis. Seems many will experience a check engine light shortly after changing the old style valve because it allowed dirt to pass through to the canister, clogging it. The correct repair is to replace the canister and the vent valve at the same time.
I REALLY appreciate your video! BUT...there were a couple of places that the edit came a bit too early for us real novices. All in all, though, I couldn't have done this on my '03 Tahoe without your help; thanks!
Tom Alisankus every day I learn a little bit more about shooting videos it is definitely not easy doing this. Thank you for your constructive criticism I much appreciate it.
Great How To. My 05 Z71 Tahoe is having gas filling issues. I will be doing this repair soon.
Did this fix filling problem
Thank you for your video! It is so easy to follow and I will be changing mines out this weekend!
Outstanding video. Thanks for sharing, specifically showing the part where you used a screwdriver to press against the tabs. 2004 Suburban.
Glad you like the video. Thank you for watching!
Good instruction. I replaced my unit today and the video came in handy.
chewy glad the video was helpful. Thank you for watching!
I found it difficult to remove the hose with the valve still mounted as there was not much room and also the hose was stiff. Thus making it hard to get enough muscle to pull it off of the valve while also trying to squeeze the tabs with my fingers. Tried to use a screwdriver but fishing blindly and again difficult to get two screwdrivers up in there and then trying to disconnect the hose at the same time. Not easy if one is on their back. And also worried that I might break the connector.
I decided to unmount the valve. It was easy that way as I got better positioning and was able to squeeze the tabs and also twist and pull the valve off. Also pay attention that you do "need" to push the connection in towards the valve first and then squeeze it before you pull it off.
Thank you very much for this video.
It helped me very much to exchange the valve on my 2002 Tahoe.
Greetings from Germany 🙋♂️
@@janwendt348 wow Germany nice. Glad the video was helpful. Thank you for watching!
Thanks for posting this. Only video I could find specific to the 03 Suburban
Thank you for watching!
We have found wonderful help in "How to Automotive. Thank you very much for all what you share in you r channel.
Awesome glad you guys like the videos! Thank you for watching!
Thank you sir will take the video with me under my 03 Suburban to make the change...lol
Extremely helpful vid, short and to the point ! Thanks for posting these!
Thank you and thank you for watching!
2001 Chevy suburban has engine code p0446 I'm able to pump gas fine. Gas cap seems good. Can it still be the EVAP canister?
I have the same code. Did you get it resolve?
I haven't. I'm going to change the gas cap and see if that works. If not I might have to change the canister.
Thanks, took like 15 minutes to change
Great video thanks! Question - i have the new one here looks just like the one you installed. I can blow through the port both ways and there is no restrictions. Is the valve in the no powered state supposed to have the valve open? Once you connect and that connection has power is that what closes the valve? In other words the unpowered state for the valve is open? Thanks again
Great explanation. Is the P0443 code usually caused by this faulty vent solenoid?
Thanks I’m have to replace mine on 2004 Chevy surban cause it’s having a hard time starting an my check engine light said to replace purge valve
I got a full diagnostic from Meineke yesterday and now I’m going through to figure out what I can do myself and what I’m going to have to pay a mechanic to do. This is one of the things, along with the purge valve. They want almost $500 for this. Am I misunderstanding what they’re actually saying I need? The spark plug job is the same price but I already did that myself and it wasn’t easy but I got it done. This looks dead simple compared to that.
Great video bro! Only one I can find for an 02 tahoe gonna be an easy fix
Part ordered...hoping this is the remedy
Thanks
So annoyed with those evap fittings and their removal... such an easy job and yet you spend way too long trying to understand and remove the fittings. And there is three on the charcoal canister. Great video thanks for the good tip on using a small screwdriver to get that fitting off!
I agree they could’ve designed this a lot better. Thank you for watching!
Do you the the P/N to the three?
In case the part you find doesn't have the hoses and you have to re-use the originals, I had good luck hitting them with the heat gun for just a little bit. Be careful, there might be gas fumes.
Did that purge valve design changed? Was it round before they made it. My truck has a round one . And i read that the design of the valve changed ?
The vent line is broken on my tahoe .I saw zip ties around it...What is that vent hose called to ordered...I had the fuel pump replaced 3 years ago. Is it possible that the shop broke it while bringing the tank down? Thanks
I am about to try this out. I've been getting my check engine light and the Tighten Fuel Cap warning on the dashboard. I have changed the cap 3 times already, OEM and ACDELCO and nothing. I hope this EVAP solenoid is the issue.
NOTORIOUS GAMING 209 hey man, did you do it yet?? Lol. Just did fuel pump on 01 suburban and got evap code
This is the look my 04 yukon 5.3 flex fuel vent valve looks like . Amazon says not fit but I ordered it anyway since the one that I got from Amazon is big and round and wont fit. 1 question I have is the o-ring inside that stupid connector replaceable? I worry that is could be causing the leak.
Very helpful video, thank you for your time Sir.
FlemNmzzzz glad to help. Thank you for watching and writing!!
When i click the link you have in the description for the vent valve, Amazon is saying the part doesn't fit my 2004 Tahoe.
Will this help with fueling because every time im at the gas pump i can pump gas and the pump will stop. Please help me
Is it possible for some cars to have just the valve without the filter? on my 2001 suburban I can only see the valve and not the valve with a filter like yours is.
Great how to video. Is this the same setup for 2003 Chevy Avalanche? Thanks
Thank you so much for this! I am changing out our Trailblazer's atm.
That clip was driving me crazy!!! Thanks for the tips on this swap!
I just got a diagnostic on 03 Tahoe it said to change the purge valve and I change it the check engine light is still on could the code mean I need to change this valve instead
I have an 05 Tahoe and I keep seeing the cylindrical canister with the valve built on. Do I need to buy that one or the one shown in the video?
jay fle I would check with your dealer some of them have updated ones and some of them don't.
I install mine how long does it take for the check engine light to go off ???
Question When you remove that valve and blow through that opening should air pass through it or should it be closed in other words at rest so that valve always been a close position or an open position where air passes through?
Thanks for showing me how to remove the hose I went to the junkyard and grabbed a couple and I just ripped the hose off
Super Infomative!! my cousin has the same issue on his 09 Chevy tahoe... does his look like this in the video underneath?
Anno Smith there are a couple of different designs. They all work pretty much the exact same way just routing of the hoses maybe different. Thank you for watching!
Do you know if the solenoid vapor valve connector wiring behind the tank runs into the vapor pressure sensor on top of the tank? Found my po449 it was the 2 wire connector one of the wires pulled right out of the sheathing and i cant get 2 the end to splice another piece,its about a foot half long piece that broke
I saw another video that showed it on top of the engine. Is it the same thing or is that for certain models or years?
If it’s on top of the engine, it’s the purge valve, not the vent
Great video man .. thanks for the tutorial...you got a New subscriber now
Glad the video was helpful. Thank you for the sub and for watching!
Awesome video - thanks! What indicators tell me that this is bad on my 2003 Suburban? Fault code? Will the vehicle work fine outside of emissions issues if this is faulty?
condor5635 You’re definitely going to have fault code P 400s possible problems you may run into it hard to fill it up of gasoline. Pump may click off.
My 03 suburban is giving this code. But mine is not shifting past second gear. Could this fix that issue as well?
That part doesn't look like the replacement part I need for my 2004 chevy tahoe. The part for my SUV has 4 places to attach hoses and lines. Why is this?
Hi would this valve be the same for a 4.8 engine. Mine looks kind of rounded and not square. Or am I looking at the wrong part? Any help would be awesome, thanks
Is that a purge valve cellanoid he's replacing
Would this be the same on the chevy Silverado pickups? Also, about how much does the part cost?
I'm getting a P0445 error code with a large leak and P0496 on my Chevy Tahoe 2005 LT 5.3 Gas. Does the work for it?
I found charcoal canister evap fuel canister. I have a 99 silverado cant find this part does mine have the part i found instead thanks
How the vent works? When is closed,whe is open? When the car is stop,engine is off. Thr vent is open or close?
My suburban is having problems cranking after I put gas in it. Would that be the canister purge valve? If so, I typed it in on Autozone with the Part Number and said it doesn’t fit my 2006 Suburban. I found another that says it does.
The Evap System should not cause any starting problems. I was suspect something else such as the fuel pump to pump regulator. Or it’s not Seen cam or crank sensor. Start by pulling code to see if there’s anything and as far as a parts go will be different on all the vehicles check with your local park supplier.
Does this effect the transmission ! My Tahoe slipping out of OD ! Only shifts to 3rd gear ! 🤔
This has nothing to do with transmission and will not affect it in anyway.
If this valve is bad will it reduce power?
I got 446 code is the same problem?
this was a very helpful video. thank u
Gus Fuentes glad the video helped. Thank you for watching!!
Great video. I'm going to tackle this project today. Thanks to the way you've simplified this issue
Thanks for your video!
Found the wires from evap unit broken or eaten through about 10” from unit. Could feel on top of tank where wires went but nothing there. Will I need to drop tank to find wires?
Booger Hill that wiring harness runs just on the inside of the frame by the gas tank and goes around to the backside of it. Maybe you’ll get lucky and find it if not you will have to drop that tank.
Thanks So Much For this video😀
Thank you for watching!
Would anyone happen to know if this issue can prevent your vehicle from passing smog ? I’m currently having that issue I replaced most of the other components I did a leak smoke test and I had a lot of smoke coming out of this valve. I really hope this fixes the issue
It will not pass smog until this problem is fixed, and the code is clear. Plus the self check readiness monitors have run.
@@HowtoAutomotive thing is I connected the OBD reader and I don’t see any codes I’ve been driving it for almost 2 weeks I’ve done several driving cycles as well and nothing seems to help! When I connect the OBD reader I don’t get a code only thing it says that the truck is not ready and still needs to be driven since the EVAP and Secondary Emissions system hasn’t activated yet. I really hope once I change this valve I’ll get them to activate to have the truck ready for smog
Awesome vid! I have an 01 Tahoe thanks!!!!!
Quick question......how did you know it was time to replace yours??? I also have a 2001 tahoe
This seems familiar ;-) hahaha great stuff man!
Very! 😎
This is a great video however it is a different part number and part for the 05 tahoe z71.
Would the valve also trigger p0455? I put some in and that part was actually leaking smoke out. Hope you see this and get a prompt reply!
Did it work ? I’m having your exact problem as well! I did a leak test and I had a lot of smoke coming out of this
@@famousps1 honestly Idk, I also replaced the gas cap since it was too worn out. I want to say yes it did but I’ll never know
@@bernardomacedo2961 sounds good I might replace the cap as well thanks bro!
@@famousps1 anytime!
Can this also cause a P0442 error code?
Hello I have a 02 GMC Sierra and when I fill it up with gas if I'm not careful it'll shoot out from the bottom could this possibly be what's wrong with it
Z Man this is a common problem and possibly the cause of yours.
Thank you for your reply
Great video and thanks for sharing
You video is great but I am lost - GMC Sierra 2002 - Went to the back of the tank, nothing. Went to the Front of the tank (toward the engine side) and above a cross member, above the tank, totally inaccessible is what MAY be the valve. I only say that because I see a line and that slide clip that supposedly holds it in place (Like a square with 4 ribs) . There is also what looks like a ground wire to a bolt and a small hose that just goes to space :-) In other words, on mine, NO WAY that could be removed without removing the tank...Just 2 1/2 inches to even see it - .so what am I missing? Am I even in the right place? I am pretty good mechanically and do my own work but this is a GMC nightmare
I dnt kno if you’ll reply since video is so old. I put a new evap on my buddies Tahoe & the code cleared the code came back on today any suggestions ?
Esau Manriquez You need to take it to a shop and have them do a smoke test
Hey Brian, can you do a video on replacing a brake booster and master cylinder for a 2003 Dodge ram?Thanks a much.
808beerable if one comes in the shop I will definitely film it. I can’t see when that would happen it maybe tomorrow or two years from now.
My service engine light came on and my code reader said it's the vent valve. I dont want to replace it if I dont have to. How can I check it? What should I look for?
Without a bidirectional scan tool you won’t be able to test the whole system. What you can do is take the valve off and apply power and ground from a 12 V battery to the terminals and try to blow air through it. If air blows through it with power and ground applied the valve is bad . You will also hear a click noise when you apply the power and ground.
How about you guys next time on your video do several different Vehicles because mine's not located in the front or rear. It's located in between the truck bed and the cab and the only way to get it out is by a removing the bed or by dropping the gas tank that information would be helpful. 2000 Silverado
If that was behind the bed it’s already been relocated previously before.
Excellent video👍
Thank you!
awesome info man, you rock.
Will this also help with P0442? I replaced the gas cap but still get the code. Thanks
Nick GiantYeti this is one of the symptoms for P0442 yes. But I know for sure you would need to test.
How to Automotive Thank you for the input, from a few others, it sounds I may change this out for $30 anyway lol.
Nick GiantYeti Yeah it’s a very common problem
Hmmm, unfortunately I bought the part and just crawled under to replace it and my 2006 Suburban 5.3L looks different underneath, I don't see that part, there is a round canister/filer up under there as well as a large box .... not sure what the deal is now?
Steven McMullin Chevrolet occasionally update their part and changes things around. I would contact your parts supplier and see if you have the right one it may be modified.
would this make it hard to fill the tank, it keeps shutting off
Dennis crosby yes if the vent valve is stuck in the closed position or the filter it's plugged it will not allow the air to vent causing the tank to be hard to fill
Could a bad EVAP valve cause gas to leak from the filler neck/cap on a 2002 Suburban(engine off and cold with the tank at about 7/8 full)?
Did you every find out the problem? mine is doing the same thing
Yes. The EVAP canister itself...we removed the canister and cleaned with compressed air, water from a garden hose, then air again. Let it dry overnight and then reinstalled and have had no further problems. Additionally, we blew air through the hose that runs from the canister to the tank and had already replaced the vent valve solenoid. In the final wash though it was a clogged EVAP canister.
Do I need to change the hose also?
Star Fire Sometimes when your order comes with it I will change it if it does. Also when you take it apart and inspected if it looks in bad shape replace it.
Is this vent valve the same thing as a charcoal canister?
Los Ojos De HotSpanish no those are two separate parts.
where can I buy this at. my throw my check engine light off
Jason. team munch louder Declue there links in the description
Where does that hose go from the vent valve
Looks like I have the wrong vent valve. Mine is more circular. Also, I’m trying to find a video of replacement of the canister.
HappiePappie81 The brown vet out maybe the updated version. I would check with your parts supplier. As far as the canister it’s pretty straightforward you just disconnect a few hoses and a couple bolts and that’s it.
I appreciate your video, I replaced my canister but was told that it was a good idea to replace the purge vale also, I have a Chevy S10 2001 2.2L and can't seem to find the location of the purge valve, lots of videos on purge vale but none on the S 10 2.2L automatic. Does anyone know where the purge vale is located on this vehicle.
Damn i wish i had a lift. Makes things so much easier
I’ve been wishing that since 1973 and Santa hasn’t come through yet🥴
@@drizler must be on his naughty list
Would this cause really bad fuel mialiage and also I get a loose cap reading sometimes
Hector Otani No this is not the reason why your car has poor fuel mileage. It will set a check engine light for Evap leaks or vent problems.
How to Automotive both PO894 and PO455 ,also new plugs n cleaned throttle body yesterday
How to Automotive oh btw I have 240k miles
Hector Otani Code P0894 is a transmission issue with the speed sensors. Possible transmission slipping or one of the sensor is not reading right. To check the P0455 you’ll need to smoke the Evap system for leaks test The Vent and pure Valve. You will need hey scan tool and some test test equipment to do all of this.
How to Automotive ok I will see wat I can do and not worry I love this Tahoe so comfy
Would that be the same for 2001 Chevy Silverado?
Yes it’s the same.
I got an 04 tahoe when I'm at gas station and trying to pump gas ⛽️ keeps stopping cause gas keeps going up the neck
do you have a wire diagram for the driver side cigar lighter?
Martin Berlanga I have left the shop for the day but I can work on that wiring diagram for you tomorrow .Do you have an email that I can send it to?
How to Automotive Yes is efuseekay24@gmail.com I would really appreciate that!
How to Automotive were you able to find the wiring diagram?
Martin Berlanga I just got it off to you.
How to Automotive I don't think I've received it yet.
Nice. Great job.
If this is malfunctioning, could it cause a misfire?
Nikolas Fernandez no The event has no Way of affecting how the engine runs. But the purge valve up in the engine bay could.
How to Automotive Ohhhh ok, thank you for the help
Could this possibly fix a p0442 teouble code
Yes
Is that what they call purge valve
David King no this is the vent the purge is on top of the intake manifold
do i need to remove the rear tire??
No you do not need to remove it.
Amazon link says this doesn’t fit a 2005 Chevy Tahoe?
In a Silverado it's a PAIN with the evap connector
It’s it the same process to change it on the Silverado as it is with the Tahoe in the video?
Thank u!