Excessive Cam shaft waer - Club Touareg Forums
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post #1 of 11 Old 07-28-2011 Thread Starter
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Excessive Cam shaft waer

I have a R5 Tdi with 200000km on the clock and just had to have the camshaft, hidrolic lifters and valves replaced due to excessive wear on the lobes of cylinder no 5 on the camshaft -. Any one else out there have had the same issues with theirs - is this a common problem or is it possible that I have a lemon?

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post #2 of 11 Old 07-28-2011
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'Lemons' usually don't last 200000kms!

Cam lobe wear is usually associated with (wrong) oil change regime, or (less frequently) a faulty oil pump (not getting enough oil to that part of the engine).

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post #3 of 11 Old 07-28-2011 Thread Starter
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Hi 4eTouareg,

That was my feeling as well that 200 000km is a good run, yet when we measure the lobes - the other 8 - on the cam shaft, they are all well withing spec, which discounts any oil related issues, as one would expect more than just cylinder 5 to have issues?

Faulty oil pump possibly, but would there not be signs of damage to the other lobes or even the bearings on the cams?

Be as oit may, I still love this car, bought it new and will fix it and keep it for another 200 000km!!

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post #4 of 11 Old 07-28-2011
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It doesn't expalin your specific failure but incorrect oils "shear" on the tip of the camshaft lobe and thus provide insufficient lubrication.

Quite why one specific oil succeeds in providing correct lubrication without shearing and others don't has never been explained.
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post #5 of 11 Old 07-28-2011 Thread Starter
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Hi Noobytoogy

Any idea why it will ONLY affect one cilynder - no 5? Exhaust valve very bad, Inlet also bad, but much less - the others on cylinder 1 - 4 - 100%

Thanks for the replies.

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post #6 of 11 Old 07-28-2011
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Do you have a chain driven camshaft? it's possible that it has stretched allowing play somehow. The 1.9 BRM suffers from premature cam wear as well, and that is blamed on the chain driven cam vs the gear driven in europe. Nearly all the BRM's are suffering from this, there are conversion kits out there, and there are the occasional anal owners that do 5k oil changes who seem to be getting a few more miles out of their engine. Not sure if this would affect all or just one cylinder. Just a thought.


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post #7 of 11 Old 07-28-2011 Thread Starter
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Hi SamTrooper

No - it is gear driven, and that is in 100% condition .....

Pierre

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post #8 of 11 Old 07-28-2011
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The petrol V6 cam chain can stretch but I understand that that usually manifests itself with the car not starting as the camshaft sensor senses the camshaft is not in the right place.

The 2.5 has neither belt nor chain - it is gear driven.
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post #9 of 11 Old 07-28-2011
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Simultaneous typing!!
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post #10 of 11 Old 12-12-2011
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blocked oil passage?

All vw/audi engines must use 507.00 spec oil except non-DPF R5/V10 engines that must use 505.01/506.01
93 Pajero GLS 3.0 V6 LWB - SOLD
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