E90 Rear Main Seal Leak at Kathie Gebhardt blog

E90 Rear Main Seal Leak. In general, a few things come to mind with rear main seal leak/failure. Replacing the rear main will mean removing the transmission (or engine). Most common leaks is oil pan gasket which makes it look like its coming from rear main seal. Cleaned off the oil with brake cleaner, took it for a short drive and got the oil up to temp (0w40), jacked up the car and it is leaking. I had it replaced at 100k. It appears to because it's dry all around. Either job is probably an all day or all weekend affair for. About the only thing you can do is. This repair was done back in 2019 at my dealer when the car was still under cpo and now it's leaking again. If it's definitely not the pan leaking, either the rear main seal is leaking, or the input shaft seal on the transmission is leaking. The oil is leaking out from where the transmission bell housing meets up the oil pan. It's pretty hard to differential some oil pan leaks from the rear main seal without disassembly.

Cleaned off the oil with brake cleaner, took it for a short drive and got the oil up to temp (0w40), jacked up the car and it is leaking. Most common leaks is oil pan gasket which makes it look like its coming from rear main seal. Either job is probably an all day or all weekend affair for. In general, a few things come to mind with rear main seal leak/failure. This repair was done back in 2019 at my dealer when the car was still under cpo and now it's leaking again. Replacing the rear main will mean removing the transmission (or engine). It appears to because it's dry all around. About the only thing you can do is. The oil is leaking out from where the transmission bell housing meets up the oil pan. I had it replaced at 100k.

Rear Main Seal Leaking After Replacement Full Explanation

E90 Rear Main Seal Leak If it's definitely not the pan leaking, either the rear main seal is leaking, or the input shaft seal on the transmission is leaking. It's pretty hard to differential some oil pan leaks from the rear main seal without disassembly. I had it replaced at 100k. It appears to because it's dry all around. About the only thing you can do is. Most common leaks is oil pan gasket which makes it look like its coming from rear main seal. This repair was done back in 2019 at my dealer when the car was still under cpo and now it's leaking again. If it's definitely not the pan leaking, either the rear main seal is leaking, or the input shaft seal on the transmission is leaking. Cleaned off the oil with brake cleaner, took it for a short drive and got the oil up to temp (0w40), jacked up the car and it is leaking. The oil is leaking out from where the transmission bell housing meets up the oil pan. Replacing the rear main will mean removing the transmission (or engine). Either job is probably an all day or all weekend affair for. In general, a few things come to mind with rear main seal leak/failure.