Here are symptoms to look for, its seriousness, and cost to replace. Discover what a rear main seal leak is, why it's a serious automotive issue, and how to identify it The rear main seal is found at the back of the engine between the engine and the transmission, which seals the crankshaft’s back end from leaking
It is an expensive fix because, most times, it requires removing the transmission or dismantling the engine.
Learn the symptoms, causes and cost of a rear main seal leak, a major repair that can affect your engine performance and oil levels
Find out how to prevent and fix this problem with expert advice and tips. A rear main seal leak will cause oil to drip from the bottom of the bellhousing at the front of the transmission If you have drips coming from in front of the bellhousing, locate those leaks, stop them and clean the engine After a few hundred miles you can check again for leaks to see if you still have any.
Bluedevil rear main sealer is a versatile rear main seal fix for seals that are dried, cracked, or shrunken due to age or use Our solution is a completely liquid additive that won’t clog or harm any other components or seals in your engine and will stop that annoying (and costly) rear main seal leak in a sinch. Learn why your rear main seal may leak after replacement and how to fix it Find out the common symptoms, causes, and tips for repairing this problem.