GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2004
🢒
TrailBlazer - 2WD
🢒
Engine
🢒
Engine Mechanical - 4.2L
🢒 Crankshaft Front Oil Seal Replacement
Tools Required
J 44218
Seal Installer
Removal Procedure
Important:
Do not damage the engine front cover or the crankshaft.
Remove the crankshaft balancer. Refer to
Crankshaft Balancer Replacement
.
Pry out the crankshaft front oil seal using a suitable tool. Use the provided slots for prying out the seal.
Installation Procedure
Apply the engine oil to the outside diameter of the crankshaft front oil seal.
Use the
J 44218
to install the front oil seal.
Remove the
J 44218
.
Install the crank balancer shaft. Refer to
Crankshaft Balancer Replacement
.