GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 41099 Gear Select/Reverse Lockout Solenoid Socket

Removal Procedure


    Object Number: 477355  Size: SH
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the reverse lockout solenoid electrical connector (2).
  3. Place a drain pan under the transmission in case any fluid drips out.

  4. Object Number: 349934  Size: SH
  5. Remove the reverse lockout solenoid using J 41099 .
  6. Remove the reverse lockout assembly bolt.
  7. Remove the reverse lockout assembly, if necessary.

Installation Procedure


    Object Number: 349934  Size: SH
  1. Install the reverse lockout assembly, if necessary.
  2. 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.

  3. Install the reverse lockout assembly bolt.
  4. Tighten
    Tighten the reverse lockout assembly bolt to 18 N·m (13 lb ft).

  5. Install the reverse lockout solenoid using the J 41099 .
  6. Tighten
    Tighten the reverse lockout solenoid to 40 N·m (30 lb ft).

  7. Remove the drain pan.

  8. Object Number: 477355  Size: SH
  9. Connect the reverse lockout solenoid electrical connector (2).
  10. Check the transmission fluid level. Refer to Transmission Fluid Level Inspection .
  11. Lower the vehicle.