Crankshaft Balancer Installation

Special Tools

• EN 46326:  Flywheel Holding Tool
• J 41998-B:  Crankshaft Balancer Installer
• J 45059:  Angle Meter

  For equivalent regional tools, refer to Special Tools .

Fig 1: Crankshaft Balancer
Courtesy of GENERAL MOTORS CORP.
1. Position the crankshaft balancer on the nose of the crankshaft.
Fig 2: J 41998-B
Courtesy of GENERAL MOTORS CORP.
2. Press the crankshaft balancer in place using the J 41998-B:  installer.
Fig 3: Crankshaft Balancer Bolt
Courtesy of GENERAL MOTORS CORP.
3. Clean the crankshaft balancer bolt threads.
4. Apply engine oil to the crankshaft balancer bolt threads.
CAUTION: Refer to Fastener Caution .
5. Install the crankshaft balancer bolt.
   1. First Pass

      Tighten the crankshaft balancer bolt to 50 N.m (37 lb ft) .

   2. Final Pass

      Tighten the crankshaft balancer bolt an additional 150 degrees using the J 45059:  meter .

Fig 4: Flywheel Holder
Courtesy of GENERAL MOTORS CORP.
6. Remove the EN 46326:  tool from the engine block.