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unusual noise from the gearbox
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leading to symptoms including jerky shifts
6 differential
We recommend a Haldex oil and filter change every 20
Corteco Oil Seal Crankshaft 20032405B 78x100x9mm Manual Gearbox unusual noise from the gearboxCorteco Crankshaft Oil Seal 20032405B 78x100x9mm (Transmission End) The Corteco 20032405B is a crankshaft oil seal for the transmission end of the engine. Constructed from PTFE ACM composite material with a left hand twist swirl and dust lip, it delivers superior oil retention and durability. A failed transmission end crankshaft seal allows oil to contaminate the clutch or transmission bellhousing, causing clutch slip and potential gearbox damage.