This crankshaft seal group is designed to prevent oil leakage from the crankshaft's rear main bearing area into the drivetrain. It is constructed from durable materials to maintain a tight seal under high rotational speeds and varying temperatures, outperforming a worn or cracked seal. Operators may notice oil dripping from the rear of the engine or a low oil level if this seal begins to fail.
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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 primary symptom is a visible oil leak originating from the rear of the engine, often pooling on the transmission or flywheel housing. If left unaddressed, the oil loss can lead to insufficient lubrication of the engine and drivetrain components. Continued operation with a leaking seal risks engine damage due to oil starvation and potential fire hazards from oil accumulation.
Ensure the crankshaft sealing surface is perfectly clean and free of any nicks or burrs before installing the new seal. Never reuse the old seal or attempt to install the new seal without proper alignment tools.
Inspect the crankshaft sealing surface for wear or damage, and check the rear main bearing for excessive play.