GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2003
🢒
Blazer - 4WD
🢒
Engine
🢒
Engine Mechanical - 4.3L
🢒 Crankshaft Front Oil Seal Replacement
Tools Required
J 35468
Cover Aligner/Seal Installer
Removal Procedure
Remove the crankshaft balancer. Refer to
Crankshaft Balancer Replacement
.
Use a suitable prying tool to remove the crankshaft front oil seal.
Inspect engine front cover seal bore area for damage.
Inspect the crankshaft balancer seal area. Refer to
Crankshaft Balancer Cleaning and Inspection
.
Installation Procedure
Lubricate the exterior of the seal with clean engine oil.
Use the
J 35468
with a hammer in order to install the crankshaft front oil seal.
Inspect to ensure the crankshaft front oil seal is flush and square to the engine front cover.
Install the crankshaft balancer. Refer to
Crankshaft Balancer Replacement
.