Can crankcase pressure be blowing my camshaft seals?
#1
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From: Michigan
Can crankcase pressure be blowing my camshaft seals?
I seem to have a recurrent problem with oil leaks while turbo. When I first bought the car I currently have I did not experience leaks of any sort, at least no so prominent as the one I experience once the turbo was installed.
Last weekend I replaced the front main seal, camshaft seals, and the valve cover gasket hoping to stop the oil leak. At first all seemed to be going well. After the car ran again there were no visible leaks nor any trace of oil in the front of the engine. Today when I parked the car after an afternoon drive I notice droplets of oil on the floor. I open the hood to inspect the engine bay, and there it was again. The same picture of before and a leak prominent from the same spot.
After reading a bit on other cars with a similar problem, the idea of too much crankcase pressure was brought forward to explain the constant failure of seals. In my current set up I have the stock pvc valve and a filter covering the driver side exit on he valve cover.
I have experience this type of leak only after the car was boosted. Could failure in my ventilation system be causing the seals to continue failing?
Last weekend I replaced the front main seal, camshaft seals, and the valve cover gasket hoping to stop the oil leak. At first all seemed to be going well. After the car ran again there were no visible leaks nor any trace of oil in the front of the engine. Today when I parked the car after an afternoon drive I notice droplets of oil on the floor. I open the hood to inspect the engine bay, and there it was again. The same picture of before and a leak prominent from the same spot.
After reading a bit on other cars with a similar problem, the idea of too much crankcase pressure was brought forward to explain the constant failure of seals. In my current set up I have the stock pvc valve and a filter covering the driver side exit on he valve cover.
I have experience this type of leak only after the car was boosted. Could failure in my ventilation system be causing the seals to continue failing?
#3
Thread Starter
Elite Member
iTrader: (9)
Joined: Sep 2008
Posts: 5,609
Total Cats: 13
From: Michigan
I don't know, but all was fine after the replacement. After driving the car the leak came back
Edit: After further search I've com across this
It seems that if the stock PCV is still being used while on boost leaks on the front of the motor are common. Should I replace cam seals again while I block off the IM and run the valve cover to a filter?
Edit: After further search I've com across this
It seems that if the stock PCV is still being used while on boost leaks on the front of the motor are common. Should I replace cam seals again while I block off the IM and run the valve cover to a filter?
Last edited by buffon01; 05-11-2012 at 09:47 PM.
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