GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
1998
🢒
Sonoma Pickup - 2WD
🢒
Engine
🢒
Engine Mechanical - 4.3L
🢒 Crankshaft Front Cover Oil Seal Replacement
Removal Procedure
Remove the crankshaft balancer. Refer to
Crankshaft Balancer Replacement
.
Use a suitable prying tool to remove the crankshaft front oil seal.
Inspect the engine front cover seal bore for damage.
Inspect the crankshaft balancer seal area. Refer to
Crankshaft Balancer Cleaning and Inspection
.
Installation Procedure
Tools Required
J 35468
Oil Seal Installer
Important:
The engine front cover is a plastic composition.
Lubricate the exterior of the crankshaft front oil 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
.