Installation Procedure
WARNING: This page is about a different variant/trim than selected.
- Apply a small amount of grease to the crankshaft front cover seal sealing surface if reusing the seal.
- Ensure that the crankshaft balancer weight(s) is installed in the proper location, if necessary.
- Apply a small amount of adhesive GM P/N 12346141, (Canadian P/N 10953433), or equivalent into the crankshaft balancer keyway in order to seal the crankshaft balancer keyway and crankshaft joint.
- Align the keyway of the crankshaft balancer with the crankshaft balancer key.
- Install the crankshaft balancer onto the end of the crankshaft.
- Using J 23523-F
, press the crankshaft balancer onto the crankshaft. See Special Tools .
- Install the J 23523-F
plate and bolts onto the front of the crankshaft balancer. See Special Tools .
Tighten: Tighten the bolts to 25 N.m (18 lb ft).
- Install the J 23523-F forcing screw into the end for the crankshaft. See Special Tools .
- Install the J 23523-F bearing, the washer, and the nut onto the forcing screw. See Special Tools .
- Rotate the J 23523-F nut clockwise until the crankshaft balancer hub is completely seated against the crankshaft position sensor reluctor ring. See Special Tools .
- Install the J 23523-F
plate and bolts onto the front of the crankshaft balancer. See Special Tools .
- Remove the J 23523-F . See Special Tools .
- Install the crankshaft pulley and bolts. Finger tighten all bolts until snug in order to fully seat the pulley.
- Tighten the bolts.
Tighten: Tighten the bolts to 58 N.m (43 lb ft).
- Ensure that the crown of the crankshaft balancer washer (2) is faced away from the engine.
- Install the crankshaft balancer washer and bolt.
Tighten: Tighten the bolt to 95 N.m (70 lb ft).
- Install the cooling fan. Refer to Fan Replacement (Diesel) or Fan Replacement (Gasoline) in Engine Cooling.
- Install the drive belt. Refer to Drive Belt Replacement .
IMPORTANT:
The length and location of the weight(s) must be the same as the original.
NOTE:
The inertial weight section of the crankshaft balancer is assembled to the hub with a rubber type material. The correct installation procedures (with the proper tool) must be followed or movement of the inertial weight section of the hub will destroy the tuning of the crankshaft balancer.
NOTE:
Refer to Fastener Notice
in Cautions and Notices.