GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 749325  Size: SH
  1. Disconnect the wiring harness from the input speed sensor.
  2. Important: Do not damage the input speed sensor or transaxle case.

  3. Remove the input speed sensor bolt/screw (72).
  4. Remove the input speed sensor (73), and the input speed sensor O-ring (71).
  5. Inspect the input speed sensor for damage.

Installation Procedure


    Object Number: 749325  Size: SH
  1. Apply automatic transmission fluid to the new input speed sensor O-ring seal (71).
  2. Install the new input speed sensor O-ring seal (71) onto the input speed sensor (73).
  3. Install the input speed sensor (73) into the transmission case assembly (17).
  4. Notice: 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. Install the input speed sensor bolt (72).
  6. Tighten
    Tighten the input speed sensor bolt (72) to 4.5 N·m (40 lb in).