Sierra 3500 4WD V8-6.0L (2008)
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Front Crankshaft Seal: Service and Repair
Crankshaft Front Oil Seal Replacement (LH6, LY6, L76 and L92) (5.3L,6.0L and 6.2L)
Tools Required
J 41478 Crankshaft Front Oil Seal Installer
Removal Procedure
1. Remove the crankshaft balancer. Refer to Crankshaft Balancer Replacement (See: Cylinder Block Assembly/Harmonic Balancer - Crankshaft
Pulley/Service and Repair) .
2. Remove the crankshaft front oil seal (140) from the front cover.
Installation Procedure
Important:
*
Do not lubricate the oil seal sealing surface.
*
Do not reuse the crankshaft front oil seal.