Crankshaft Balancer Installation

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.

Tools Required

J 23523-F Balancer Remover and Installer

Look to ensure that the crankshaft balancer front groove pin 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: Locating Crankshaft Balancer 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: Installing Crankshaft Balancer
Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
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 J 23523-F 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.
Install the crankshaft pulley and bolts.
Tighten

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

Fig 4: Installing Crankshaft Pulley and 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 Balancer 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).

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