Cost of a crank seal leak repair
AnswerCheck the crank pully bolt. If it has come loose you will have a leak.The crank pully bolt does not have anything to do with the crank shaft seal leak. Thebolt is independent of the seal. To replace seal remove crank shaft pully and you will have access to crank shaft seal, pull out & replace seal.
Spots of oil in the driveway.
A loose crank pully retaining bolt will make it leak.
There is a seal to seal the pan to the block. This seal goes out mostly do to lack of oil changes. Change oil then add a stop seal leak additive that closes off the leak with no harm to the engine. It works!
Bad seal? Leaking cooler line?
No a rear main seal is the rear seal on the crank shaft of the engine. That portion of the engine is wear the crank shaft connects to the clutch and pressure plate (manual transmission) or where it connects to the torque convertor automatic transmission.
Failed gasket, seal, plug, cracked housing, etc.
Bad seal - needs replacement
Removing the crank pulley requires an impact wrench
Could be a bad seal, which will eventually cause your turbo to go out.
the seal on the crank shaft needs replaced