Tools Required
J 42041 Crankshaft
Balancer and Crankshaft Front Oil Seal Installer
Important: Do not lubricate the crankshaft front oil seal or crankshaft balancer
sealing surfaces. The crankshaft balancer is installed into a dry seal.
- Lubricate the crankshaft front oil seal bore of the engine front cover
housing with lubricant GM P/N US 12345501, Canada 992704,
or equivalent.
- Remove the protective sleeve from the new crankshaft front oil
seal.
- Place the crankshaft front
oil seal (1) onto the mandrel (J 42041-1) of theJ 42041
.
- Thread the J 42041
in the crankshaft. Make sure you engage at least ten threads of the J 42041
before pressing the
crankshaft front oil seal in place.
- Push the crankshaft front oil seal into position by tightening
the nut on the J 42041
until the mandrel bottoms out on the crankshaft sprocket.
Important: The crankshaft front oil seal should NOT be flush with the engine front
cover.
- Check the installed depth (1) of the crankshaft front oil seal.
The crankshaft front oil seal should protrude from the engine front cover
about 1-2 mm (0.039-0078 in).