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    Thread: How to change your cam follower inside. (Now with debate about failures and their cause.)

    1. 04-01-2008 07:52 AM #301


      Looks like a "B" Cam failure on all stock parts

    2. Member rracerguy717's Avatar
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      04-01-2008 08:01 AM #302
      Quote, originally posted by enginerd »
      Looks like a "B" Cam failure on all stock parts

      Hopefully the Aftermarket cam companies will have a solution. Bob Q said that CAT cams is coming out with a cam for the 2LTFSI hopefully with a follower solution . Bob.G
      Read below about mine and other fsi stage 3 owners bad experience and poor results with APR and there Stage 3 Kits. http://forums.vwvortex.com/showthrea...ge-3-dyno-runs
      Quote Originally Posted by jhines_06gli View Post
      I'd say you have nothing to worry about, but then again.....you are driving a modified VW. You have EVERYTHING to worry about!!!
      -J. Hines

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      04-01-2008 08:09 AM #303
      I'm sorry but that's just unacceptable.
      We shouldn't have to buy parts to fix a design flaw on these cars. We paid to get a fully functional vehicle and from what I'm seeing, even completely stock, we're not getting what we're paying for.
      Why do I have to spend another thousand or so dollars just to make sure my car that I spent so much money on is reliable???
      If I didn't just buy a bunch of parts for this thing, I would have traded in for another Honda. This has been my first and will be my LAST VW.

    4. 04-01-2008 08:11 AM #304
      Quote, originally posted by enginerd »


      Looks like a "B" Cam failure on all stock parts

      What do you make of the follower?
      IMO it looks as if the follower failed, not the cam.

      Dave

    5. 04-01-2008 09:17 AM #305
      follower was deff. what failed here causing the pump to take out the cam

    6. Member magilson's Avatar
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      04-01-2008 10:20 AM #306
      Quote, originally posted by NoRegrets78 »
      If I didn't just buy a bunch of parts for this thing, I would have traded in for another Honda. This has been my first and will be my LAST VW.

      lol. I think that's probably for the best! The MkV generation has brought into the fold a large number of people that will never be dubbers.
      champagne wishes. caviar dreams.

    7. Member goin2fast's Avatar
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      04-01-2008 10:31 AM #307
      Quote, originally posted by magilson »
      lol. I think that's probably for the best! The MkV generation has brought into the fold a large number of people that will never be dubbers.

      x535436546

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      04-01-2008 10:57 AM #308
      Quote, originally posted by magilson »
      lol. I think that's probably for the best! The <INSERT VARIABLE HERE> generation has brought into the fold a large number of people that will never be dubbers.

      If YEAR=1975, then VARIABLE=watercooled
      If YEAR=1985, then VARIABLE=Mk2
      If YEAR=1992, then VARIABLE=MkIII
      If YEAR=2000, then VARIABLE=MkIV
      If YEAR=2008, then VARIABLE=MkV

    9. Member OOOO-A3's Avatar
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      04-01-2008 11:01 AM #309
      Quote, originally posted by enginerd &raquo;
      Everything is worn in together if you change the follower you risk damaging the coating from high contact stress. I would not change it unless those are indeed cracks.
      So, you're saying that we *shouldn't* change the follower as a routine preventive maintenance item? There's nothing to be done except hope for the best? I'd change the damn thing myself every 10k if it meant never having to worry about getting stranded, or spending $$$$.

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      04-01-2008 11:02 AM #310
      I would have loved to have committed to dubs for the rest of my life...eventually going the way of Audi. I was IN LOVE with german engineering having come from reliable yet soulless hondas/acuras.
      But how can you expect any newcomer to the dub scene to really invest emotion/time/money into it when the drivetrain even stock is unreliable?

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      04-01-2008 11:03 AM #311
      Quote, originally posted by jc@douglas &raquo;
      follower was deff. what failed here causing the pump to take out the cam

      I don't know about that. From what I can see, the follower's contact face has been sheared off. This could be due to wear on the cam that allowed improper lubrication or contact angle between the cam and follower. The increase of tangential force against the follower could have sheared the face from the follower. However, this failure would be expedited by concave deformation of the follower face.

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      04-01-2008 11:19 AM #312
      For those who've seen failures...what kind of oil have you been using?

    13. Member magilson's Avatar
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      04-01-2008 11:39 AM #313
      Quote, originally posted by NoRegrets78 &raquo;
      But how can you expect any newcomer to the dub scene to really invest emotion/time/money into it when the drivetrain even stock is unreliable?

      Again, proving my point. Even if I had to change this cam and follower every 30k I still wouldn't sell it for any other make. I like to have fun when I drive!
      Just be patient for the aftermarket. This feels a bit like the great PCV and DV scare of 2007. And if there isn't any aftermarket, then keep a good eye on the parts and be ready to buy new ones. From what enginerd has been saying we should all be good at cam swaps eventually!
      champagne wishes. caviar dreams.

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      04-01-2008 12:06 PM #314
      Edit: nevermind, dumb question


      Modified by OOOO-A3 at 1:26 PM 4-1-2008

    15. 04-01-2008 12:16 PM #315
      Can someone please post a photo , of the pump out of the car with the follower nearby just to see how it '' sits '' on the pump's spring ? Wouldn't be a solotion of making the spring sit directly on the followers inside base and let the pump's pin get in touch with the followers base diameter somehow .
      I 'll try to post a drawing of what iam saying later


      Modified by NoTsipa at 9:23 AM 4-1-2008

    16. Member magilson's Avatar
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      04-01-2008 12:40 PM #316
      I highly doubt it could be done. The B cam lobe, although a separate piece, is still pressed on. Replacing the cam does not require removing the head in any of the instructions I've seen.
      champagne wishes. caviar dreams.

    17. 04-01-2008 01:44 PM #317
      Quote, originally posted by magilson &raquo;
      lol. I think that's probably for the best! The MkV generation has brought into the fold a large number of people that will never be dubbers.
      Oh sooooo true
      Quote, originally posted by NoRegrets78 &raquo;
      But how can you expect any newcomer to the dub scene to really invest emotion/time/money into it when the drivetrain even stock is unreliable?
      His point exactly. I'd imagine most dubbers got into VW's the same way I did.......... Buying an old MK2 and learning to fix the POS every time it broke down. Then ya buy an MK3 thinking it's an upgrade, fix that POS and the cycle continues till ya finally get some money to buy a new one...............then ya fix that POS when it breaks down...lol. Well My GLI has been very reliable, but I don't think I could quit VWs even if it wasn't. Makes me feel bad that others have been less fortunate.

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      04-01-2008 02:41 PM #318
      So I guess I'll never be a real dubber.
      Nevertheless, I invested a lot of time and money in this car, I DO love driving it every day, and would like to KEEP it, and keep it running. So lets get back on topic and figure out a way to stop these followers from failing!
      I may not be as dedicated or obsessed as some of you, but we're all in this together!

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      04-01-2008 03:48 PM #319
      Was talking about this issue with DanGSR and he mentioned possibly using a nitrile coating...said it could be used to get over 100 rockwell hardness.
      I have no idea what that means but maybe someone on here does and can provide some insight good or bad.

    20. 04-01-2008 03:55 PM #320

      It's possible that the new cam lobes are nitrided for hardness.
      Problem with nitride is that it causes carbides at the surface to protrude from the compressive stress and these can cut into the DLC causing coating fatigue failures and then the whole coating surface comes off and the wear rate goes up.
      They fixed the cam but now it eats the follower.

    21. 04-01-2008 04:03 PM #321
      Who manufacturers the cam follower and the cam?

    22. 04-01-2008 04:46 PM #322
      Quote, originally posted by enginerd &raquo;
      It's possible that the new cam lobes are nitrided for hardness.
      Problem with nitride is that it causes carbides at the surface to protrude from the compressive stress and these can cut into the DLC causing coating fatigue failures and then the whole coating surface comes off and the wear rate goes up.
      They fixed the cam but now it eats the follower.
      What about the original suggestion (possibly in another thread) of cryo treating the follower? Seems like it could work, increasing the wearability without increasing the hardness much .

    23. Member goin2fast's Avatar
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      04-01-2008 05:47 PM #323
      I am waiting to hear opinions on crotreating as I have access to control rate freezers that could do the slow Ramp down....Hold.....Ramp up cycle.

    24. 04-01-2008 07:41 PM #324
      Quote, originally posted by rbradleymedmd &raquo;
      Shue,
      Did you ever figure out your hesitation issue? Since you know that it's not fuel issue, where are you going to turn now? Also, when your hesitation occurs, does the car's RPM drop at all?
      `
      yes, rpm and boost. it kind of bucks a couple times, then goes back to normal. i think i may try new coil packs and plugs. but i really think it may have something to do with the cold weather. maybe the gas around here sucks. i feel sometimes like i'm the only idiot in lower delaware buying 93 oct, so i'm probably getting 2 year old gas. LOL.
      also, when i installed my apr downpipe, i didn't cut the downpipe to size, which causes the 2.5 piping to go inside the 3" piping about 4" or so. there could be some messed up turbulance at the reducer.
      (edit: although, i think this was happening to me at stage 1 also. kind of ruling out the DP)
      i dunno.


      Modified by shue333 at 4:43 PM 4-1-2008

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      04-01-2008 11:06 PM #325
      sorry for the off topic but i have this two questions: so if u get a bigger turbo is this going to get worst by the time and is it going to mess up your car??
      Pag Part Tubo Kit:: Installed. Apr High Pressure Fuel Pump , B&G RS2 Coilovers, Works Vs-Xx Wheels, Pag Part Intake, Forge Adjustable Bov, Big Turbo Eurodyne Software, RS4 Injectors, Eurojet Oil Catch Can Vent To Air .

      My Gti Build:: http://forums.vwvortex.com/showthrea...y-Gti-Build-Up

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