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I've changed the oil pressure sender, but there is still an oil leak at the back of the engine. The outside of the bell housing is dry, as is the top of the engine around the oil pressure sender. The rear of the flywheel has a light oil film, the bell housing is dry, while the inspection cover of the bell housing is black of oil and dust. I have purchased a new rear cover seal and gasket, but still wondering what the source of the oil leak is. I'm hoping the new gasket and seal will solve the issue. I'm also changing out the oil galley barbel. Has anyone seen the same oil leak?
Hello Norway, you are on the right path in replacing the cover seal and rear main seal, but have a look at the cam position sensor where it enters the block to see if there is oil in that area. I don't' recall the part number for the cam position sensor "O" ring so if you decide to replace it you will have to search the interwebs for the part number,
In the below photo there is a red plug in the cam postion sensor bore the keep debris from entering the block.
This is the picture I have been searching for the last few days. I had replaced my oil pan gasket in December that fixed a leak in the right front but still have a leak on both sides of the rear. I had the intake off to replace the heater core just last month and there was no oil on top in the back but at the time I didn't know the camshaft sensor could leak oil out the back of the engine and not the top. I cannot see any oil leaking from the rear main seal using an inspection camera and I have suspected the camshaft position sensor after I found a picture of the sensor but wasn't able find a good clear picture of the back of the engine to see if the sensor was exposed to the inside of the bell housing. With this clear picture the camshaft sensor hole, the sensor o-ring is the most likely source of the leak. Now I get the to remove the intake manifold again, not fun but a whole lot easier than removing the entire rear of the car the torque tube and bell housing.
Has anyone else had the camshaft sensor cause the oil leak in their engine?
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Oil leak behind bell housing - source?
