This rear crankshaft seal is a vital component that prevents lubricating oil from leaking out of the engine's rear main bearing housing. It is manufactured to meet stringent Volvo specifications, providing a durable seal that maintains oil pressure and prevents contamination compared to a worn seal that has lost its flexibility. Operators may notice oil drips or puddles under the rear of the engine, a burning oil smell, or a drop in oil pressure if this seal fails.
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Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.
Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.
The first indication of a failing rear crankshaft seal is often visible oil leakage at the rear of the engine, potentially forming puddles. If left unaddressed, the oil loss can lead to low oil pressure and insufficient lubrication of critical engine components. This can result in severe internal engine damage and costly repairs.
Carefully inspect the crankshaft's sealing surface for any nicks or wear that could compromise the new seal's effectiveness. Use a specialized seal installer tool to ensure the seal is seated squarely and not cocked.
Inspect the flywheel and clutch assembly for oil contamination, and check the oil pan and pickup tube for any obstructions.