GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 1999 🢒 Firebird 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4L60-E 🢒 Front Seat Power Recliner Replacement

Removal Procedure
  1. Remove the front seat. Refer to Front Seat Replacement - Bucket .

    2. Object Number: 330829 Size: SH
  2. Remove the drive cables (7).
  3. Remove the nut (3) that secures the driver seat adjuster motor support (4) with the driver seat adjuster motor (5) attached.
  4. Remove the driver seat adjuster motor support (4) with the driver seat adjuster motor (5) attached.
  5. Remove the bolts (12).
  6. Remove the adjuster (13).
  7. Remove the adjuster cover bolts, as needed.
  8. Remove the adjuster covers, as needed.

Disassembly Procedure

    Object Number: 330829 Size: SH
  1. Place the adjuster (13) in a bench vise.
  2. Remove the rear adjuster (2) nut.
  3. Open the vise slowly in order to relieve the assist spring compression.
  4. Remove the adjuster (13) from the vise.
  5. Disassemble the vertical assist spring (10).

    6. Object Number: 330837 Size: SH
  6. Remove the front adjuster nut (8).
  7. Remove the bolts (6) from the adjuster horizontal actuator (7).
  8. Disassemble the adjuster horizontal actuator (7).
  9. Remove the adjuster bolts (3).
  10. Disassemble the rear vertical actuator (2).
  11. Disassemble the front vertical actuator (5).

Assembly Procedure

    Object Number: 330837 Size: SH
  1. Assemble the front vertical actuator (5).
  2. Assemble the rear vertical actuator (2).

    3. 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 adjuster bolts (3).

    4. Tighten
    Tighten the bolts to 2.4 N·m (21 lb in).

  4. Assemble the adjuster horizontal actuator (7).
  5. Install the bolts (6) to the adjuster horizontal actuator (7).
  6. Install the front adjuster nut (8).

    7. Tighten
    Tighten the adjuster nut to 5 N·m (44 lb in).

  7. Assemble the vertical assist spring (4).

    8. Object Number: 330829 Size: SH
  8. Place the adjuster (13) into a bench vise.
  9. Carefully compress the vertical assist spring (10).
  10. Install the rear adjuster nut (2).
  11. Remove the adjuster from the bench vise.

Installation Procedure
  1. Install the adjuster covers, if previously removed.

    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.

  2. Install the adjuster cover bolts, if previously removed.

    3. Tighten
    Tighten the adjuster cover bolts to 1.7 N·m (15 lb in).


    Object Number: 330829 Size: SH
  3. Install the adjuster (13).
  4. Install the bolts (12).

    5. Tighten
    Tighten the bolts to 24 N·m (18 lb ft).

  5. Install the driver seat adjuster motor support (4) with the driver seat adjuster motor (5) attached.
  6. Install the nut (3) that secures the driver seat adjuster motor (4) support.

    7. Tighten
    Tighten the nut to 4 N·m (35 lb in).

  7. Install the drive cables (7).
  8. Install the front seat. Refer to Front Seat Replacement - Bucket .

Motor Removal Procedure
  1. Remove the front seat. Refer to Front Seat Replacement - Bucket .

    2. Object Number: 330829 Size: SH
  2. Remove the drive cables (7).
  3. Remove the nut (3).
  4. Remove the driver seat adjuster motor support (4) with the driver seat adjuster motor (5) attached.
  5. Disconnect the electrical connectors from the driver seat adjuster motor (5).
  6. Remove the driver seat adjuster motor (5) from the driver seat adjuster motor (4) support.

    7. Grind off the ends of the grommet in order to separate the driver seat adjuster motor (5) from the driver seat adjuster motor support (4).

Motor Installation Procedure

    Object Number: 330829 Size: SH
  1. Install the driver seat adjuster motor (5) to the driver seat adjuster motor support (4).
    2. 1.1. Use a 3/16 inch drill bit in order to drill out the top end of the grommet.
    1.2. Secure the driver seat adjuster motor (5) to the driver seat adjuster motor support (4) with 3/16 inch rivets.
  2. Connect the electrical connectors to the driver seat adjuster motor (5).
  3. Install the driver seat adjuster motor support (4) with the driver seat adjuster motor (5) attached.

    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.

  4. Install the adjuster motor nut (3).

    5. Tighten
    Tighten the nut to 4 N·m (35 lb in).

  5. Install the drive cables (7).
  6. Install the front seat. Refer to Front Seat Replacement - Bucket .