A6 / S6 (C5 Platform) Discussion Discussion forum for the C5 Audi A6 and S6 produced from 1998-2004

Cam seals leaking again. I replaced 35K ago and had to redo the T-belt only 20K ago due to idler

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Old 12-21-2008, 07:44 AM
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Default Cam seals leaking again. I replaced 35K ago and had to redo the T-belt only 20K ago due to idler

bearing failing.
I really don't want to go in again for that damn seal. The drips start hitting the garage floor about 4K miles after I change the oil and clean everything up.

Would you leave it alone until the leak really increases or the next T-belt change which is in about another 45K?
Old 12-21-2008, 07:53 AM
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Default I'd do them. I hate leaks. Do the cam adjuster seals and cam plugs while you are in there.

Are you sure it's the cam seals? Also check the cams for damage at the seal area. That sounds like a lot of oil for a cam seal leak.
Old 12-21-2008, 09:14 AM
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Default Something wasn't done right. Mine (knock on wood) in either of my A6's have never leaked a drop.

Do them.
Old 12-21-2008, 09:36 AM
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And check for PCV? Positive pressure forcing oil out?
Old 12-21-2008, 10:11 AM
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Default thoughts....

I'm so 'tired' of the engine oil leaks I've allegedley had in my A6 that I just check the level...I've had "drips" according to the dealers from my oil pan plug, the upper oil pan gasket, cam seal (replaced once already)...I just said F-it...I'll check the level from time to time and add oil if ever needed (haven't needed it yet prior to the oil changes...which are 4-5K) and WHEN I get my garage built I'll put an oil catch on the floor below the car for the remaining life of my car....if I were you, I'd put a catch below and check the level once a week through the -X- # of miles you go before you next oil change...if it's an alarming drop then rethink getting it fixed...if it's nothing a quart added between changes won't take care of, I'd just add the quart....anyway, my 2-cents (adjusted to 1.3 in todays economy)

interestingly enough, these leaks have not been re-cited to me in visits following to the dealer......hmmmmmm!
Old 12-21-2008, 10:13 AM
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2X
Old 12-21-2008, 11:38 AM
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2nd
Old 12-21-2008, 02:50 PM
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Default I did the cam adjuster seals and and plugs when I did the timing belt redo. The only thing I didn't

do when I was in there were the cam seals again because it was only 15K miles prior and they were dry.

The leak is coming from behind the timing belt cover as I have not taken everything apart to see the real issue, but it lines right up with the cam seal on the passenger side.
Old 12-21-2008, 02:54 PM
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Maybe you'll get lucky and it will be the cam seal for the CPS and not the one behind the sprocket.
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Quick Reply: Cam seals leaking again. I replaced 35K ago and had to redo the T-belt only 20K ago due to idler



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