Sierra 1500 4WD V8-5.3L (2008)
Front Crankshaft Seal: Service and Repair
Crankshaft Front Oil Seal Replacement (LMG, LY2 and LY5)
Crankshaft Front Oil Seal Replacement (LMG, LY2 and LY5) (5.3L and 4.8L)
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 (1) from the front cover.
Installation Procedure
Important:
*
Do not lubricate the oil seal sealing surface.
*
Do not reuse the crankshaft front oil seal.