My VLOM Modification Explained
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- เผยแพร่เมื่อ 25 ก.ค. 2024
- This is a highly requested Question I get from folks so I thought I would clear it up.
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DO NOT USE the DOD/AFM Delete Plate with AFM lifters after performing a lifter release or it will collapse the lifters after some run time . Speaking from Experience. Thanks for all your help @CrazedPerformanceRepair
Yes sir you are absolutely correct.
Yup leave it be till non afm/dod lifters can be installed
@@CrazedPerformanceRepair I have a 2017 GMC 1500 5.3. With 18000 miles on it valve train is working good and I turned of the afm by superchips flash pac no tuning just shut off and adjusted for tire size. Should I buy the screen delete spacer you show in this video? Or just leave it alone?
@@yippinyahoiionetnnedrager3398 you should be fine since the system is shut off pre failure.
@@CrazedPerformanceRepair thank you for your response. I was just thinking about that screen filter getting plugged up. I change my oil every 5000 miles so it never gets to dirty. Thank you Sir for sharing your knowledge.
Love Crazed Performance Repair saved me thousands doing myself. Dont forget the reason for this lifter release trick and VLOM mod is the oring in the oil pick up tube. My 07 had it after I repaired Oil pressure has reacted like a normal truck 28 psi at 600 rpm 45 at 2500 rpm
Used the 'Tool' and released the #1 cyl lifter....blocked the VLOM with the provided piece. Disabled the DOD with my Flashpaq 4....2 weeks, 0 issues. Thanks Chuck
Props bro , just found out my mecanics problem , with not being able to fix my truck , will go in tomorrow and let them know what to do .
So thankful for your videos and the knowledge I have gained. Just very curious after doing the full delete with cam and regular lifters if there is a need for the screen where the oil sending unit goes on a new valley pan without the vlob. Thanks again for all the help!
As always great video. Thanks for all the information 👍
Thx for all the info sir. Great tips
Thanks for the chat on the phone, Charles! I sent a small appreciation the other day for your vids but will send another couple amounts now bc the settings limit amount and are showing Canadian dollars only so it will probably be non rounded converted amounts. Hopefully work with you in the spring when road tripping. Appreciated, Kris in Squamish, B.C.
Awesome thank you!
Thanks for sharing that video. Great help.
Thanks for the ecm flash guy info
Thanks for all of your informative videos. My girlfriend had a lifter collapse in her 07 Tahoe. I tried the release trick and it didn't work. So I tore the head off replaced it with a factory lifter only because funds were tight. I plugged the oil passage. Sent the computer to the guy who you recommended. Put everything back together. She's put a few thousand miles on it since without a single problem.
Did you cut the gaskets on the vlom also. I bought a kit to replace all the lifters using afm lifters. It came with a new vlom. Not sure if I want to cut the gaskets on a brand new vlom. Can I just install the plug? I have already sent my ecm to get the afm deactivated.
I had the other setup that he had mentioned in the video. And yes I did cut it.
Thanks for the video, very informative. One question is the afm active on start up or how long does the engine idle for it to become active?
Got my tool yesterday. I have to get some gaskets first then I'll be trying to get it done.
How did yours go?
Great Video! I have a couple questions though that I'm sure have been answered but I 've read but cant find them. I purchased the lifter release trick and the plug. No luck getting it to release unfortunately.
1. If I do the Vlom Mod including the block off, what term would I use when asking my tuner to delete the system? AFM delete? should it be pretty self explanatory for a knowledgeable tuner?
2. Is it anything to do with E85 capability? never run it either way, just curious. thanks for the knowledge. Hopefully putting her back together tomorrow.
Good info! Thanks
After doing the release trick & modification to the vlom cutting gaskets, plugged hole & put a tuner to deactivate afm/dod is it required to still change the lifters & cam ? How long well engine run with the afm lifters while its in v8 mood all time ?
Hey I got a 5.3 afm where the intake pushrod while running isn’t having oil coming out of the pushrod onto the rocker arm
Great videos!!! Thanks for your previous help! I did the VLOM mod and cut the gaskets around the oil towers and removed the solenoids. Also blocked the oil pressure sensor port (cut a wedge out of the passageway from the pressure sensor to the galley that feeds the solenoids, and brazed a solid wedge back in its place while leaving pressure access to the oil pressure sensor). Also used your source to turn off the AFM. My new question is with everything done will this trip a CEL? California smog stations don't use the sniffer on vehicles newer than 2000, they just run a scan at the OBDII port.
If the is light on, smog fail...Thanks...
Yes it will trip the light unless you have AFM shut off in the tune. Lt1swap.com is a great source for this.
@@CrazedPerformanceRepair Thanks for your quick reply. I did send out my computer to LT1 Swap.com. Already got the computer back. Still need to install. So I should be ok there? Everything else done...Thanks!
Thank you so much.
Hello I have a 2010 gmc with a 4.8l. I just replaced the cam and lifters due to bad lifter twisting in cylinder 7. And now I have a cylinder 5 and cylinder 7 misfire. I am out of ideas, was wondering if have come across this issue
I have my AFM disabled with a tune. Truck had no symptoms of a failing lifter beforehand. My oil pressure it at about 40 while driving and I've already replaced the pickup tube O-ring. If I add the VLOM delete plate will that bump my pressure up some?
If you do the mod and ecm tune do you have to plug the vlom electrical connector back up or leave it unplugged?
Odd question here - Can a bad dod lifter or valley plate gasket cause low oil pressure? (New pump and oring is installed )
Oil pressure is still 10psi when hot .
Considering putting regular lifters and a regular cam this time around when I redo the pump ? Is it worth a shot
I have an 07.5 yukon 5.3, used the vlom u show at 10:35 the smooth top one.. still have afm lifters/cam but turned off my dod with hp tuners, when u rev truck up itll have top end knock noise n a missfire.. vlom problem or lifters?? Thanks for all ur awesome videos!
If you have non AFM valley cover on AFM lifters I'm surprised you can drive it at all without all 8 AFM lifters collapsing.
so just to be clear i can use this plug method and gasket removal with tune and never have to worry about my DOD system kicking back on instead of doing the full delete? i do not currently have any lifter issues yet and i also currently use the range AFM de-activator but would like to not have something plugged into my rig at all times or spend a fuck load on a full DOD delete lolol
A friend of mine repaired a lifter failure on a 2015 Yukon. The pushrod bent, the lifter came apart. He replaced 4 lifters, 1 pushrod, and the VLOM. After the repair was completed, he gets a misfire code. He checked compression on the 4 cylinders, all 4 made over 200 lbs. but still has misfire. He didn't do a DOD delete
Can you remove the solenoids and leave out?
Hope you can help me out I got it tune to 6.0L so just wondering what plate do I use?
Excellent information. So, I installed an AFM DOD delete kit with a new cam and non VLOM pan. I'm using a DiabloSport Tuner. My question is. Do I have to keep the AFM/DOD solenoid connected in order to not have a check engine light on?
Did you end up leaving it connected?
Where do you stand on the issue of using an engine flush when changing oil? Some say it can cause debris to clog those small screens.
How u sir I’m working on 2011 suburban 5.3 Liz the vlom male connector got damaged I was hoping u can point me in the right direction to find the 5 wire connector. Thanks for any help in advance
Love all the video's, thanks again! But once i free up the valve, do i have to do the vlom mod still? How long would no mod last? Or how am i to be sure that was the cause of it collapsing to begin with?
The VLOM isn't why it collapsed. Lack of oil pressure during activation is why it collapses. This can be caused from several things but if you want all that message me on my website or search the forum. If you don't do the VLOM mod and tune out of AFM the already internally damaged AFM side of the lifter will collapse the first time AFM activates. So it could fail on first start or shortly after you start driving it but it wont take long. Everything I do has a purpose.
Long story short: I have the plug inserted. Can I take the VLOM plate out and "remove" the plug? I assume some sort of fixturing the plate and carefully drill pressing it out, or based on your helpful experience whats the better way to go? Thank you so much.
Why do you want to remove the plug? It can just be pressed out from the other side.
First off, thanks for the videos! I ordered the VLOM mod parts from you yesterday, because of a collapsed #1 intake lifter. Replaced lifter an still didn't do the trick. Start engine and lifter would work for 3 to 4 revols and stop working. Narrowed down to the VLOM solenoids so decided to try your Mod. Question is this..... If the Mod fixes my issue< will this Mod cause any engine lights? What do I do with the plug that ran the solenoids, do I plug it back in? Thanks again for the helpful vids!!!
The lifter could also be spun, you can determine this by looking at the side of the lifter. To see the side of the lifter you need to pull the VLOM and clean out the oil tower of the suspected lifter with cleaner and shop air. Once cleaned you can look down the oil tower and if you see a hole in the lifter it is not spun. If however you see only shiny metal or a flat surface then the lifter has spun due to a bad plastic lifter guide. When this happens you will need to replace the camshaft and all lifters. This would be a good time to do a full AFM/DOD delete where you remove all AFM components and replace them with non AFM components. Did you old lifter have any damage on the roller if so your lifter was spun.
@@CrazedPerformanceRepair lifter is right orientation. Blew air in top of tower on cyl of concern and blew air somewhat easily. Other 7 no air passage with air blower
Ask yourself, If it blew different than all the others, wouldn't that be indication of that lifter being in the incorrect position?
Thanks
Can you place a 4.8 valley cover in the vlom’s place with the dod/afm lifters still in place. If not can new lifter non dod lifters and push rods be placed in the dod lifters spot and run the original stock cam?
Will the computer throw a code with the vlom disconnected even if the dod is shut off with a tune?
No, no, and no. I explained it all in the video. I assume by a 4.8 valley cover you meant non AFM valley cover. I explained what each one does and why.
I installed the volm do I have to get my computer reset it's running rich
Did everything you said so far even tho it broke my heart to break my gasket off lol now just to put it back together, I’ll keep everyone updated on the progress
How did it go?
@@ryantucker406 went good I think I have a vacuum leak tho putting it back together as I am a novice at all things cars. That or this last time my lifter collapsed it messed up internally lol I hope it’s a vacuum leak. It had a hum that comes and goes while in drive at idle. And I change out a lot of stuff on it already. But for sure definitely since I’ve popped the lifter out, did the vlom mod, and tune or dod/afm delete with the edge device, I haven’t had the lifter collapse again 🤙🏽
@@ryantucker406 my lifter collapsed again 🤦🏽🤦🏽🤦🏽I think my lifter is just bad. Ima try to pop it out again. If that doesn’t work ima replace it again *pulls hair out* I think when it collapsed this last time it just broke or something from no oil.
@@ryantucker406 if your truck is paid off tho I recommend swapping out the cam shaft and vlom for a tru v8 that or engine swap. But the cam shaft route is cheaper.
@paul medoza it’s not paid off that’s the issue
Hey Charles, can loose vlom bolts cause a low oil pressure situation? Say around 20 psi at hot idle?
I'm getting a recurring p0521 code
What about the electronic solenoid that plugs into vlom
Do you have a video that shows specifically HOW to modify to VLOM? Also, will the VVT still work after the VLOM Mod?
My main lifter release video at 27:17 shows the VLOM mod. I don't have a specific video because it is solely for the purpose of disabling the AFM system after a failure. It requires a tune and will render AFM system completely unusable.
AMAZON sells a AFM Disable for the OBD2 system. Does that work to disable the AFM.
Received my VLOM mod kit with tool today. Found your videos after suffering a collapsed lifter on cylinder 4 last week. Really wasn't hoping to spend the time and money on a full AFM DOD delete where I would use the opportunity to spend big bucks on performance heads and cam. If I had know about his crappy system being such a flaw I would have disabled it long ago.
Light taps, heavy taps, big hammer, small hammer, slows taps, fast taps... After about 30 minutes I was about to give up hope and then POP out came the pushrod just like your videos. I sent you a message from the website, but figured I'd ask here. I did the second part of the lifter release to tap it back down a bit, but mine didn't move. Is it possible it just freed itself up to the correct position and didn't overshoot? I bolted the rocker back on and turned the crank over several times. The valve opens and closes fine now with proper tension on the rocker.
Computer went off to LT1SWAP this morning before the tools came so I'll leave the truck off until it comes back. Just want to make sure I'm good before buttoning it all back up. FYI, the instructions showed the oil passage block off as in the videos here, but not the gasket mods. I did those because of the videos, of course, but others may not depending on which video they find your site from.
It doesn't always overshoot, you are most likely golden. If you can, bolt the vlom on and use the starter relay to crank it over until the rocker moves about 5 times. Then you are set.
@@CrazedPerformanceRepair awesome. I’ll get the battery back on and try that. I saw a video showing that relay crank. I was afraid to hook up the battery with intake manifold off and energizing the fuel pump. Am I good to go like that?
I done that I even changed lifers losing oil pressure about ten to fifteen minutes don’t make sense shut it off and turn it back onoil pressure back up to forty any ideas changed pressure sensor too
Change oil tube pickup ring, remove oil pressure switch if you see screen replace it with a new one with new oil pressure switch, avoid dorman unit...
Did the 09 Silverado 1500 5.3 have the lifter problems also. One got stuck and damaged my cam at 140k.
Yes they did. Get the system turned off in the tune to prevent it happening again.
I just had the lifters replaced on my 2010 Suburban, with a 5.3 Vortec. I replaced all lifters, rods, and rocker arms. And, the engine still knocks, with all new parts. The shop couldn't figure out why the lifters still seemed to be stuck.
Any recommendations? If I do the VLOM mod and reflash my computer, will that help?
Did it do it immediately after the repair? Was it multiple lifters? Once a lifter fails the system should be shut off even when replacing lifters. The lifters don't fail on their own. They fail from lack of oil pressure during activation.
After I Block VLOM with the VLOM PLUG..Do I plug the VLOM connector back into the VLOM Plate or leave it unplug .. Lifter release easily your tool … I already have it tuned with LT1Swap..
I plug it in to keep wires from corroding.
Do I need to do a vlom mod if I already did afm delete on the pcm ? Lifters never failed just did the pcm afm delete for preventative maintenance.
No but I would check for loose VLOM bolts and tighten them if need be.
I have a Chevy 2012 1500. Should I cut out the inside round gaskets?
Only if you still have AFM components and you have it electronically disabled in the tune. All the answers are in this video.
When doing the dod delete on the 2006 ls4 using a different camshaft and replacing all the lifters back to the normal style lifters and you drill and tap the tower's and block them off with plugs can you still use the original vlom cover with the solenoids removed from it thank you
Yes but why drill? There is a plug kit available that you just pound in with a hammer.
@@CrazedPerformanceRepair thank you I wasn't aware of there was a drive in kit all most all videos show how to drill and tap them or tig them shut my tig skills are next to nothing lol
I need to do a full delete. Can I simply use the stock VLOM, cut gasket, your machined plug, and just use plugs for the oil towers?
If you plug the oil towers there's no need for VLOM mod with full mechanical delete.
Instead of the tuning can I order the afm delete module that plugs into the obd2 port?
Sure but it cost much more money and can come unplugged among other things.
what am thinking , cant you just disable the solenoid in VLOM somehow and leave everything else untouched? like just cut the negative wire or unplug the solenoids so when the car tries to kick down to v4 it cant . I don't think lifters would have any reason to go bad. this way oil would go around everything and lifters would just act like single stage rods . ps thanks for answering another question I had in another video. I still haven't decided what I am going to do with my suburban . I have misfire on cylinder 6 and very rough idle. am driving as is for now with what I can only describe as v7 . definitely less power but oh well for now. love your 5 or 6 vids on this matter
Continue to drive it and risk further damage. Unplugging it just makes computer through codes due to not seeing what it expects. If the VLOM is bad just disabling or unplugging it won't be enough. Tune is needed and vlom mod recommended.
Stop driving it! Do the lifter release and turn off dod!!!
When doing the Vlom mod to plug the passage, is it necessary to do anything to the computer to avoid a cel? My current issue is number 7 is bypassing oil and activating to both intake and exhaust Do essentially it’s a dead cylinder. I’m assuming that’s needing the vlom replaced… can I get by just plugging the passages in the vlom?
You would need a tune as well. I recommend lt1swap.com for this. However, keep in mind that your situation is extremely unlikely. If you haven't, you should verify that both rockers stop moving. You might only have one that's not moving and in that case it's most likely a spun lifter. This happens when the plastic guide tray fails. If it doesn't happen to be a spun lifter your camshaft will also be wiped out. In that case a full delete would be the best option.
Do i need to do this mod with an 07 escalsde with dod disabled from factory. Also i am trying to find which lifter is partially collapsed. As i have no misfire code or even a random missfire code. Also is there a chance it could be any cylinder instead of just the dod ones?? I do have a p0121 and a p0341. A tps code and a camshaft variable timing solenoid code.
Do a compression check
Can you use the non DOD VLOM to replace teh DOD VLOM if you don't do a complete non DOD change over, i.e. no cam /lifter change?
Definitely not, as I said, your goal is to bleed off the oil pressure not block it when still using factory DOD/AFM lifters.
@@CrazedPerformanceRepair Thank you very much!
So do you remove the solenoids ? Or leave them unplugged ?
After doing the vlom plug and tune.
Or just cut the gaskets off?
Hey Billy did you ever get a reply from anybody what did you find out elsewhere? Thanks, Doug
Sorry didn’t see this but no never did. I just had it turned off . Sent my ecu to his guy working great so far been about a year now
I have a5.3 vortex in my 06 trailblazer and I replaced the lifters but now I am getting a piping noise when it shifts in and out of overdrive but not in 3 Rd if I drive it in that any thoughts
I'm seeing a similar problem. Pops when it goes from 8 to 4 cylinder mode. Ever sort out your problem?
I have a 2008 chevy silverado with AFM with 72,000 miles that is using excessive oil and want to disable AFM. several videos recommend driving with transmission in D3. Is this a good idea?
Oil consumption is a seperate issue from AFM in most cases. See th-cam.com/video/CePGNsAkcYQ/w-d-xo.html for more on that.
I have a question Can I do a “AFM DELETE” without replacing my DOD stock lifters ?
You can turn it off in the tune without parts. An actual full AFM delete requires cam, lifters, tray, etc.
Do you have any 4.3l vortec l35 CPI mod video's? PLEASE? 1995 Blazer LT is what I'm dealing with. Thank you
L35 went to 2002, 2003 to 2013 was LU3.
Replace the poppet injectors with the LU3 type.
I just got a 2015 gmc 1500 5.3 I'm kind of nervous about this happening to my truck I just spent a lot of $ on. Is there anything I can do to help stop this? I plan on changing the oil for sure. Thanks for the advice and time.
Shut the AFM off in the tune and oil changes well before oil life monitor is best you can do.
@@CrazedPerformanceRepair thanks for your time and videos. Where can I get a tune? Is it widely available as I'm in Alberta Canada. I was thinking about getting a range. Would you recommend this?
@@NEGFrostiexakakinmB there is a guy in Edmonton that does it at his home $50 his ad is on Kijiji his name is Joel.
@@PeterBranco awesome thanks again for your time
@@NEGFrostiexakakinmB No problem. Glad to help.
Hi I have a 2007 avalanche 6.0 non flex fuel my question is, do I need to tune the computer if I only released the collapse lifter and block the oil with the sleeve and break the rings on the vlom thanks do I still need to send the computer
Yes
Around how many kilometers or miles in your case would you say this mod would be needed? Or should it be done because of a certain behavior with the engine?
It's done after having a collapsed lifter and using my release trick.
I have a 2008 chevy silverado with 72,000 miles using oil. I want to disable the AFM. I have seen a number of videos which recommend driving in D3 to disable AFM. Is this a good thing to do? Thanks
Just send ECM to Lt1swap.com and your good.
I want to do your VLOM mod on my 2008 Tahoe. I am going to order your galley feed plug, cut the gasket and get the LT1swap computer tune. I plan on leaving solenoids in. After I do all these things can I leave solenoids plugged in the Tahoe harness or do I unplug the solenoids? I looked over your videos and don't see if it mattered or not?
Yes you can leave it plugged in.
Do you have do tune right away after blocking off the vlom? Or can I drive it to a tuner?
It can usually be driven to a tuner.
What doesn't make sense, if I did a complete lifter delete, and I'm plugging the holes in the block, why can't I use the original VLOM and block the oil passage from the oil pressure sensor going to the solenoids?
Is a vlom modification necessary if you go ahead and get a afm/ dod delete tune after releasing the lifter but before cranking it for the first time? Would that still protect from it collapsing again?
It's need on the direct injection engines. The older pre 2014 can get away without it I suppose but you better test the VLOM for leaks first.
Help..I removed valley pan on 2007 Tahoe and I removed the gasket pieces with a chisel but I forgot to order the plug that u have to block oil hole…is that why my truck started smoking badly…please reply..😐
I replied on another message from you. It's best to message me on my website for better replies.
I just replaced all dod lifters on passengers side and less then 100 mile and the number 4 cylinder collapsed. Any ideas.
That is exactly why I came up with the solution that I did. It all comes down to low oil pressure at activation.
2011 5.3 The only issue I have is the oil pressure, lifters are ok , intall new oil pump , new o ring in cleaned pick up tube. New oil sender, sender screen was clean.
Oil pressure drops after warm up to 0 ?????? Please help cold oil pressure is 70 psi after 15 min 0psi please help.???
Doesn’t cutting the gaskets cause low oil pressure in the end?
I thought same, yet remembered the oil pump for those models is a higher volume pump than non afm motors and apparently is able to keep up with the bleed down from when the afm is activated and also with the vlom modification because the afm is now taken out of the equation. My interpretation anyhow. Great question!
i got the tool as well… im going to release the unstuck lifter.. but i don’t think imma need the delete… i got it set just right imma go for it im a hundred percent sure its go work
If you don't shut the system off the lifter will collapse again the first time it activates.
So i plan to get the disabler get it tuned afterwards and no more problems …
Seems like waisted money I would just get the tune done. I recommend lt1swap.com for this at only $50.
No room to leave on your page. I have a tuned 2011 avalanche. DOD is turned off from my tune. Can i install your vlom mod and use a non dod cam?
Good day my friends, in the last year my 2015 GMC SIerra Denali has been repaired 3 times because the liffter of cylinder 7 has been damaged, this has happened three times after accelerating sharply, you could recommend me what to do, the only thing What we have done is change the lifter and obviously this will happen again. I've really spent a lot of money on this.
Turn off the dod system in the computer. A regular repair will continue to fail without turning off the dod.
I removed all the mechanism under cover after vlom plug is that okay?
Yeah so long as vlom plug is in.
I got sent dod plugs, should i use them with the non vlom cover ? Or just not use the plugs
Do you have AFM lifters or standard lifters.
@@CrazedPerformanceRepair i got ls7 lifters in the dod delete kit from LSXceleration but they sent plugs instead of the whole valley cover plate. Wonder if i should run the plugs and do the vlom mod, run the plugs with a reg ls3 valley cover or run the ls3 cover w/o the plugs
If I use the Vlom plug, remove the solenoids, and unplug the system. Will I still need to cut the gaskets? I'm getting AFM tuned out of my ecu this coming week.
No, but at that point you may as well snip out entire center section.
@@CrazedPerformanceRepair okay, thank you so much for responding. I really was praying that you would.
@@kingofkings8709 in the future it's best to shoot me messages on my website.
@@CrazedPerformanceRepair will do brother.
I ve already done a DOd afm delete, I have plugged the holes in the valley but I am still using the old vlom, will I still loose oil pressure
Only if your VLOM leaks because it's bad.
No!! The holes in the valley supply the VLOM with oil, if it’s plugged, no oil can reach the VLOM and therefore oil pressure will remain the same as is was intended
I do not see where to get the VLOM kit at all
my 2010 sierra has a loose number 7 rocker im doing the work my self but do not see where to get the kit
crazedperformancerepair.com
can i use my
Bully Dog tuner instead to turn off afm on the pcm or do i have to send the pcm in after the delete
You should be able to, most tuner boxes have the delete option.
Hi guys
I find oil leak in this part I fixed the leak i change last gasket around the part after that i heard sound in same this part when i drive 60 KM and the active fuel management doesn't work hang with 8V
I need help
Add teflon to the oil pressure switch, do not block the bottom of it.
There are other videos where guys are plugging off the oil passage towers .
This may be for the full DOD delete with the DOD lifters replaced with non DOD lifters !
I'm sure this is were your getting the repeated questions from !
Yes, folks don't comprehend the difference between AFM and not when it comes to how it works.
Hello, first of all thanks a million again for this hack! I'm back a year and a half after releasing a stuck lifter and doing the VLOM mod (07 Tahoe 5.3).
Lately I've been dealing with low oil pressure warnings plus a heavy lifter tick only at startup that has grown louder, and I've tried a few fixes...
Replaced a bad o ring on pickup tube and replaced oil pump. Tested oil pressure at filter to rule out pressure relief valve in oil pan. It looks like my last resort is worn bearings.
Anyway I'm about to get a entirely new engine and my question is can I just plug the passage port on the new engine without removing the VLOM gaskets possibly voiding the warranty, or will the tower passages in the plate eventually clog over time and put pressure back on the lifters?
On a new engine just having system turned off is all that's needed. However, I wouldn't put a new engine in yet. the tick at start up is likely a broken manifold bolt, I have a video on the topic. As for the oil pressure, it's likely the second camshaft bearing causing this. I'm sure you guessed it, I also have a video on replacing camshaft bearings and I talk about it's relationship to oil pressure in it. When doing the bearings it would be a perfect time to do an actual AFM delete. Where you replace camshaft, lifters, valley cover and trays with all non AFM components. Sure you won't have a warranty but you will have saved probably $2500.
@@CrazedPerformanceRepair OK I just watched both videos and I must say you're the man! However with no shop, very little time now and pushing 350k miles on a former rental vehicle, I think I'll go ahead and retire her. Spend that extra for piece of mind on things. But I will feel around my exhaust bolts just out of curiosity. Thank you so much for your help!
Can the lifter be ticking without throwing a code?
Mine ticked bad and never had a code
i have 6.2 Gmc Denali 2007 deleted DOD , i am having low oil pressure when idling & i hear lifters ticking when cold start , at cold the pressure goes up to 40psi , when comes to hot it drops between 10 to 20 psi , i changed camshaft bearing and crank bearing , new oil pump & o'ring with new piston rings and every thing is sealed up tight , i am not sure about the valley cover o'ring since i am not the person who rebuild it , do u think the o'rings in the valley cover if not installed or become flat or weak have something to do the oil pressure drop ? i hope you can help me .
So with a full delete camshaft and all, some people will put the standard volume pump in place of the high volume pump. When this is done the oil pressure will be much lower. Do you know if you have high or standard volume pump?
@@CrazedPerformanceRepair i bought the oil pump oem by vin number ..i believe dod equiped engines comes with high volume oil pump ..
That being the case, I don't think the o-rings would be enough to drop the pressure that far. I would start to be concerned about bearing clearances. Did the crank need machining? where the rods checked for being out of round? How were bearing clearances checked?
@@CrazedPerformanceRepair Every thing is checked OK , today i reinstalled new valley cover came with o rings & gasket & bolt , the old one o rings were shrunk flat to metal , now the pressure is stable at 20 to 25 stable at idle hot engine , from your experience the pressure should be how much hot at idle ? i didn't had a warning message in cluster to shut the engine off nor now also . i appreciate your help have a good day
@@sameerzx6122 technically with that pump it should be closer to 40 psi.
What about California!???? We can't delete the dod and pass smog! Please HELP!!!
th-cam.com/video/51X8MFY-U0Y/w-d-xo.html
Will this also work for 2015 Tahoe 5.3
Yes, but the procedure is a little bit different. I have a newer video explaining it.
Does this work on a 2019 Silverado? Getting mixed findings.
If it still has afm. Some 2019 have DFM and it doesn't work on them. There is also a good chance that you just have a bent pushrod because of interference from the factory.
I should also note I have an updated video for the newer AFM engines.
Do I have to do the VLOM modification after releasing a lifter or is it optional?
You have to at bare minimum turn the system off in the tune. I highly recommend doing the VLOM mod though.
@@CrazedPerformanceRepair I appreciate the reply sir ..... Reason I was asking is because I read in another comment that doing the VLOM mod with DOD lifters would cause them to collapse is that correct?
@@draycemena7309 Not sure where you heard that but it is completely incorrect. The entire point of my VLOM mod is for the lifter release trick I came up with for the AFM/DOD lifters. Did you actually watch the above video or just start commenting without watching it?
Ok ,, so what is the cheapest easiest most effective way to disable this afm system without a full delete?
What modification do i need to do to a non AFM valley cover to prevent AFM lifters from ever pressurizing up and collapsing
Use a grinder and wreck a good non AFM plate. I would just use a AFM cover.
@@CrazedPerformanceRepair I don't have a plug but I do have this non AFM plate.
@@randymiller7659 I do sell the plugs. I'd trade you and cover shipping but you will want that plate for if you ever do a full mechanical delete.
@@CrazedPerformanceRepair
Were can i purchase the ug you sell ?
@@sergiocuevas4811 CrazedPerformanceRepair.com
Where do I order the plug or how do I make one
You can purchase the VLOM plug on my website www.crazedperformancerepair.com
Will the lifter release tool work if the rocker is not moving?
If the rocker arm is floppy loose while the camshaft is not at the top of the cam lobe. Then it has a good chance of working.
@@CrazedPerformanceRepair Hey brother I appreciate your videos I am a fellow tech just learning about this trick from you, I ordered your kit from your website and my customer has this issue on cylinder 6 on a 2013 Sierra, I had the valve cover off for inspection and saw the intake valve does not move when cranked... But the rocker is not floppy, it is still spring loaded... Will your method not work in this scenario?
@@keithlivingston1221 no, that's most likely a spun lifter or one with bad locks. When it's not cranking can you rock it buy hand to compress the lifter?
@@CrazedPerformanceRepair Hey thanks for replying you are awesome!
When it's not cranking I have to pry on it to get it to rock, it feels spring loaded and rests firmly on the valve stem...
@@CrazedPerformanceRepair I also forgot to mention that it makes absolutely no noise...
Sir I had my lifters ticking in my 5.3 I did a unusual thing I did a engine flush and I started it and let it idle for 10-15 minutes at a time for around a week every time it was getting quieter it finally was quieter than ever then I had the DOD deleted and I had a tune done and man it ran great and I ran the shit out of it lasted for 3 months then I was having a little fun and it went bad . It’s the #4 cylinder making a different sound much more of a metal to metal clack than before what would you suggest? Sure was fun while it lasted night and day difference
You may have a wiped out cam or SPUN lifter which would also wipe out the camshaft. all you can do is dive in and diagnose whats wrong.
How do I get the kit?? That you sell
www.crazedperformancerepair.com
Would i still need a tune if i do this mod
yes
Okay I upgraded my engine from a 5.3L to a 6.0L and my 6.0L came with a flat plate do I use that plate or do I switch to the 5.3 plate?
The plate is directly ralated to the engines mechanics. Leave what it came with on.
Thank you for your help will it damage the 6.0L if the mechanic put the other plate I have low oil pressure would that be the reason?
@@daddy69loco1 yes you will have low oil pressure with an AFM plate on an non AFM engine. It could definitely damage the engine as oil pressure is the life blood of the engine.
Your Awesome thanks for the help there some way to tip you for your knowledge and helping me out
@@CrazedPerformanceRepair ..what if the other way around? non afm on a afm vehicle? can i release the lifter and get the range device?
where do I find plug?
www.crazedperformancerepair.com/product-page/vlom-oil-galley-feed-plug