GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Tools Required

J 41371 Reluctor Wheel Remover

  1. Disconnect the battery negative cable from the battery. Refer to Battery Cable in engine electrical.
  2. Remove the crankshaft balancer from the crankshaft. Refer to Crankshaft Balancer Replacement .
  3. Remove the water pump from the engine block. Refer to Water Pump Replacement in Engine Cooling.
  4. Remove the engine front cover from the engine block. Refer to Engine Front Cover Removal .

  5. Object Number: 181777  Size: SH
  6. Use the J 41371 to remove the reluctor ring from the crankshaft.

Installation Procedure

Important: Replace the crankshaft position sensor whenever the crankshaft position reluctor ring is replacement.


    Object Number: 65847  Size: SH
  1. Install the crankshaft position reluctor ring on to the crankshaft.
  2. Install the engine front cover to the engine block. Refer to Engine Front Cover Removal .
  3. Install the water pump to the engine block. Refer to Water Pump Replacement in Engine Cooling.
  4. Install the crankshaft balancer to the crankshaft. Refer to Crankshaft Balancer Replacement .
  5. Connect the battery negative cable to the battery. Refer to Battery Cable in Engine Electrical.