1993 Chevrolet Lumina Q&A
1993 Chevrolet Lumina Question: rear main oil seal
Rear main seal is located at the rear of the engine between the engine and the flywheel or flexplate/torque converter. To replace the seal the transmission must be removed which is a big job. - patrick mannion
On all engines the rear main seal is located at the extreme back end of the crankshaft where it passes between the oil pan and engine block. To replace it requires dropping the oil pan and loosening the crankshaft. It is usually a two-piece seal (upper and lower) split in half. - Visitor
My 99 Lumina LTZ is almost paid off and is leaking tranny fliud. Its in the middle under the block... I assume that it is at the bell housing. Maybe the front seal?? Was curious on the amount it wo...