Crankshaft Balancer Installation

Tools Required 

J 23523-F  Balancer Remover and Installer

1. 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: Ensuring Crankshaft Balancer Front Groove Pin Correct Installation

   Courtesy of GENERAL MOTORS CORP.
   CAUTION: 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.
2. 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.
3. Align the keyway of the crankshaft balancer with the crankshaft balancer key.
4. Install the crankshaft balancer onto the end of the crankshaft.
   Fig 2: Installing Crankshaft Balancer

   Courtesy of GENERAL MOTORS CORP.
   CAUTION: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
5. Use the J 23523-F  in order to press the crankshaft balancer onto the crankshaft.
   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. Install the J 23523-F  screw into the end for the crankshaft.
   3. Install the J 23523-F  bearing, the washer, and the nut onto the J 23523-F  screw.
   4. Rotate the J 23523-F  nut clockwise until the crankshaft balancer hub is completely seated against the crankshaft position sensor reluctor ring.
6. Remove the J 23523-F  .
   Fig 3: Pressing Crankshaft Balancer Onto Crankshaft Using J 23523-F

   Courtesy of GENERAL MOTORS CORP.
7. 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.
8. Ensure that the crown of the crankshaft balancer washer (2) is faced away from the engine.
   Fig 5: Ensuring Crown Of Crankshaft Balancer Washer Position

   Courtesy of GENERAL MOTORS CORP.
9. 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 & Bolt

   Courtesy of GENERAL MOTORS CORP.