A rear main seal leak can cause rapid oil loss, leading to dangerously low engine oil levels and potential severe engine damage Positioned at the back of the crankshaft, this seal is crucial for engine health Addressing any leaks promptly is essential to prevent extensive and costly repairs. A severe rear main seal leak can cause rapid oil loss, especially when an engine is warmed to operating temperature, and the affected vehicle is in motion If oil loss exceeds a particular point predetermined by a vehicle’s manufacturer, a low oil light will illuminate upon the dash. 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 Among these leaks, the rear main seal leaking after replacement is a typical case Let’s learn more about its causes and how to fix them in this article Rear main seal leak signals
Learn the symptoms, causes and replacement cost of a rear main seal leak Discover what a rear main seal leak is, why it's a serious automotive issue, and how to identify it Learn about repair options, costs, and preventive maintenance tips to avoid engine damage and save money on expensive repairs.
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