TrailBlazer 4WD V8-6.0L (2007)
Front Crankshaft Seal: Service and Repair
Crankshaft Front Oil Seal Replacement
Tools Required
J 41478 Crankshaft Front Oil Seal Installer
Removal Procedure
1. Remove the radiator. Refer to Radiator Replacement (LH6, Ls2) Radiator Replacement (LL8).
2. Remove the crankshaft balancer. Refer to Crankshaft Balancer Replacement.
3. Remove the crankshaft oil seal (1) from the front cover.
Installation Procedure
Important:
^
Do not lubricate the oil seal sealing surface.
^
Do not reuse the crankshaft oil seal.
1. Lubricate the outer edge of the oil seal (1) with clean engine oil.
2. Lubricate the front cover oil seal bore with clean engine oil.
3. Install the crankshaft front oil seal onto the J 41478 guide.
4. Install J 41478 threaded rod with nut, washer, guide, and oil seal into the end of the crankshaft.