I have a sock 1990 gt with auto transmission. I have an oil leak that is me ssing my garage floor up. I have replaced the valve cover gaskets but this did not help. I have crawled over/under and everywhere with the engine runn ing, put dye in and still can not pinpoint the source of the leak. My best guess is the intake manifold. Whereever it is coming from, it is in the bac k of the engine and somehow dripping on the exhaust because I can smell it burning. I think it is on the passanger side back of the engine.
Anyway, I have toyed with the idea of just pulling the engine and tranny an d replacing every gasket in the engine. (This was after reading how hard it is to replace the oil pan gasket with the engine in the car).
I guess my question is, would you replace the intake and see if that fixed it or pull the engine? Also, how hard is it to pull and can I pull the engi ne and auto transmission out as one assembly? I have the space to do it. I will have to rent an engine puller. I have done a lot of mechanical work in cluding replacing heads,etc but have never pulled an entire engine that I r emember.
I appreciate any direction.