Read on to learn the common symptoms of a rear main seal leak, how serious it is, and how much it's going to cost for replacement. It is also safe to use on gas and diesel engines, and it works wonders on timing cover leaks. The primary cause of the rear main seal failure is a rupture inside the engine or on a component connected to the engine
4 Rear Main Seal Leak Symptoms Not to Ignore (and Replacement Cost)
Learn how to identify and fix a leaking rear main seal, which can cause oil leaks, low oil levels, oil warning light and oil on underbody
Find out the common causes of rear main seal leak, such as wrong oil, installation, bearing, crankshaft and pvc system issues.
Three common rear main seal leak symptoms if you idle your car and let the engine and its oil warm up, you can look for some signs and symptoms of a rear main seal leak. Recognizing the specific symptoms of a rear main seal leak is the first step Then, knowing how to diagnose it from other possible oil leaks can save you a lot of guesswork and help you address the problem correctly. Here are the main causes of the rear main seal leak
Misalignment issues a damaged flex plate or problem with input shaft transmission stresses the crankshaft seal and leads to an oil leak This flexplate is located on the automatic transmission In the case of a manual transmission, check for the input shaft Here are some rear main seal leak symptoms
Oil puddles the most common sign of a rear crankshaft seal is oil puddles on the garage floor or the driveway
These oil puddles can be seen either when the vehicle is parked for a long time or while driving However, the oil may leak from various parts of an engine. Does my vehicle have a main seal leak 8/19/2025 one of the most common automotive problems is a main seal leak, especially rear main seal leaks
Located near the transmission, the rear seal keeps oil in the crankcase and flowing to the various engine components. The rear main seal leak can be stopped using this product This is accomplished by repairing damage to rubber gaskets and seals