Oil leak

[Jays71 demon]

How to figure out if my oil leak is from the rear main seal or rear oil pan seal on 71 340

 

[Icetech]

*or cam plug in the back of the block, or gallery screw in plugs in the back of the block..

 

[69FBCuda]

Pull the inspection plate or cover depending on ifs it's an auto or manual and inspect. look at the flexplate/ringgear/clutchplate for oil sling.

 

[Demonracer]

Use eye protection, shoot the area with brake or carb cleaner, fire it up, let it idle for a few, look for witness marks of leakage.

 

[Gator]

First thing is check your oil psi sending unit which has a tendency to leak having oil to run down to under your engine which make you believe you have a rear main leak or even a oil pan gasket leak..

 

[Demonx2]

 

[RustyRatRod]

First thing is check your oil psi sending unit which has a tendency to leak having oil to run down to under your engine which make you believe you have a rear main leak or even a oil pan gasket leak..

This ^^^^^ would be REAL HIGH on my list.