Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.

Apply a small amount of grease to the crankshaft front cover oil seal sealing surface if reusing the seal.
Look to ensure that the front groove pin (crankshaft balancer) is installed in the proper location (if applicable).

The length and location of the pins must be the same as the original length and location.

Fig 1: Installing Front Groove Pin
Courtesy of GENERAL MOTORS CORP.

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.
Apply a small amount of adhesive GM P/N 12346141 (Canadian P/N 10953433) or equivalent onto 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.

Fig 2: Exploded View of Crankshaft Balancer Keyway
Courtesy of GENERAL MOTORS CORP.
Use the J 23523-F in order to press the crankshaft balancer onto the crankshaft.
1. 5.1. Install the J 23523-F plate and bolts onto the front of the crankshaft balancer.
  Tighten
  
  Tighten the J 23523-F plate bolts to 25 N.m (18 lb ft).
2. 5.2. Install the J 23523-F screw into the end for the crankshaft.
3. 5.3. Install the J 23523-F bearing, the washer, and the nut onto the screw.
4. 5.4. Rotate the J 23523-F nut clockwise until the crankshaft balancer hub is completely seated against the crankshaft position sensor reluctor ring.
Remove the J 23523-F .

Fig 3: Using J 23523-F
Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
Install the crankshaft pulley and bolts.
Tighten

Tighten the crankshaft pulley bolts to 58 N.m (43 lb ft).

Fig 4: Installing Crankshaft Pulley & Bolts
Courtesy of GENERAL MOTORS CORP.
Ensure that the crown of the crankshaft balancer washer (2) is faced away from the engine.

Fig 5: Identifying Crankshaft Balance Washer
Courtesy of GENERAL MOTORS CORP.
Install the crankshaft balancer washer and the bolt.
Tighten

Tighten the crankshaft balancer bolt to 95 N.m (70 lb ft).
Install the drive belt. Refer to Drive Belt Replacement .
Install the fan shroud assembly. Refer to FAN SHROUD REPLACEMENT in Engine Cooling.
Connect the negative battery cable. Refer to BATTERY NEGATIVE CABLE DISCONNECT/CONNECT PROCEDURE in Battery.

Fig 6: Installing Crankshaft Balancer Washer & Bolt
Courtesy of GENERAL MOTORS CORP.