GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1998 🢒 Corvette 🢒 Body and Accessories 🢒 Seats 🢒 Front Seat Adjuster Replacement

Removal Procedure

    Object Number: 71215 Size: SH
  1. Remove the seat. Refer to Seat Replacement - Power with Adjuster or to Manual Seat Replacement .

    2. Object Number: 281997 Size: SH
  2. For vehicles with non-power seats, remove the adjuster adjustment bar.

    3. Object Number: 172293 Size: SH
  3. Remove the seat cushion cover. Refer to Seat Cushion Trim Cover and Pad Replacement .
  4. Remove the seat cushion foam.

    5. Object Number: 71218 Size: SH
  5. Remove or reposition the lumbar pump, if equipped.
    6. • If the pump is attached with a rivet to the front motor bracket, remove the pump. Refer to Lumbar Pump Replacement .
    • If the pump is attached with tie straps to the torque tube, remove the tie straps and reposition the pump and pouch up through the seat support wires .
  6. Remove the seat belt harness from the left seat frame.
  7. Remove the memory seat control module, if equipped.

    8. Object Number: 63768 Size: SH
  8. Remove the buckle side of the seat belt.

    9. Object Number: 71217 Size: SH
  9. Remove the bolts mounting the seat to the adjuster.
  10. Remove the adjuster.
  11. Transfer parts as necessary.

Installation Procedure

    Object Number: 71217 Size: SH

    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.

  1. Install the adjusters to the seat.

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


    Object Number: 281997 Size: SH
  2. For vehicles with non-power seats, align the adjusters with their locking pawls engaged in the same slots side to side.
  3. Install the seat adjuster adjustment bar.

    4. Object Number: 282001 Size: SH
  4. Install the lumbar pump, if equipped.
    5. • Install and rivet the first design pump to the seat front motor bracket. Refer to Lumbar Pump Replacement .
    • Tie strap the second design pump to the torque tube.
  5. Connect the seat belt harness to the left seat.

    6. Object Number: 281999 Size: SH
  6. Install the memory seat control module to the seat spring wire, if equipped.

    7. Object Number: 172296 Size: SH
  7. Install the foam to the seat frame.
  8. Install the seat cushion cover. Refer to Seat Cushion Trim Cover and Pad Replacement .

    9. Object Number: 63768 Size: SH
  9. Install the buckle side of the seat belt.

    10. Tighten
    Tighten the nut to 50 N·m (37 lb ft).


    Object Number: 71215 Size: SH
  10. Install the seat. Refer to Seat Replacement - Power with Adjuster or to Manual Seat Replacement .
  11. If the vehicle is equipped with memory seats, calibrate the seat. Refer to Memory Seat Calibration .