pcv valve

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mikleins29

Well-known member
Joined
Dec 10, 2011
Messages
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Location
omaha
My Car
71 fastback 351cleveland 4 speed
After doing some research I have found that the pcv valve that is in the oil cap was not hooked up. So I ran the hose from that to my carberator. My question is could there have been enough crank case pressure to cause the rear main seal to leak. It only leaks when its hot not when I first start it.

 
It could have, the pressure will find the weakest / easiest place to get out of.

 
a non functioning pcv system can and will cause oil leaks , mine used to leak a little oil and i noticed my pcv was plumbed to carb but the oil filler cap was not plumbed to breather i added a hose to vent the filler cap to my breather and have not leaked anymore oil since

 
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