GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1998 🢒 Blazer - 2WD 🢒 Bulletins 🢒 Driver/Passenger Power Seat Function Inop (Replace Seat Adj Assm/Install Shield)

Driver/Passenger Power Seat Function Inop (Replace Seat Adj Assm/Install Shield)

Subject:Driver or Passenger Front Power Seat Forward and Rearward Function Inoperative (Replace Seat Adjuster Assembly/Install Protector Shield)

Models:1998-99 Chevrolet and GMC S/T Utility Models
1998-99 Oldsmobile Bravada
with Power Front Seats (RPO's AG1, AG2, AN3)


Condition

Some owners may comment that the forward and rearward function of the power seat is inoperative.

Cause

The vehicle's occupant may misinterpret the power adjuster cable housing as a handle and pull on the housing. When pulled, the cable may separate from the motor and prevent operation of the seat function.

Correction

Replace the power seat adjuster assembly. A new shield has been developed to prevent access and misinterpretation of the cable housing. Use the following procedure and the appropriate part numbers listed below for replacement of the adjuster assembly and installation of the shield.

  1. Remove the seat assembly from the vehicle.
  2. Remove the screws and the heated/lumbar switch from the seat, if equipped.
  3. Remove the seat belt buckle.
  4. Disconnect the electrical connections from the adjuster assembly.
  5. Separate the seat cushion cover J-strips from the seat bottom frame.
  6. Remove the bolts that retain the seat back to the seat bottom frame.
  7. Remove the seat back assembly.
  8. Remove the nuts retaining the adjuster assembly to the seat bottom frame.
  9. Remove the adjuster assembly.
  10. Install the adjuster assembly into position.
  11. Install the nuts that retain the adjuster assembly to the seat bottom frame.

    12. Tighten
    Tighten the nuts to 24 N·m (18 lb ft).

  12. Install the seat back assembly into position.
  13. Install the bolts that retain the seat back to the seat bottom frame.

    14. Tighten
    Tighten the bolts to 45 N·m (33 lb ft).

  14. Install the seat cushion cover to the seat bottom frame.
  15. Connect the electrical connections to adjuster assembly.
  16. Install the seat belt buckle.

    17. Tighten
    Tighten the bolt to 70 N·m (52 lb ft).

  17. Install the heated/lumbar switch and the screws to the seat, if equipped.

    18. Object Number: 612701 Size: SH

    Object Number: 612703 Size: SH
  18. Install the shield, P/N 12476162 or 12476163, and the attaching screws, P/N 12476198. Use existing screw holes as shown.
  19. Install the seat assembly into the vehicle.

Parts Information

P/N

Description

Qty

12474316

Adjuster, Driver Seat (RPO AG0, AN3)

1

12475817

Adjuster, Driver Seat (RPO AG0, AN3, X88)

1

12474823

Adjuster, Driver Seat (RPO AN3, Z70)

1

12474306

Adjuster, Passenger Seat (RPO AH8, AN3)

1

12476163

Shield, Driver Seat Adj. (Cable Protector)

1

12476162

Shield, Passenger Seat Adj. (Cable Protector)

1

12476198

Screw, Power Seat Adj. Cable Protector

1

Parts are currently available from GMSPO.

Warranty Information

For vehicles repaired under warranty, use:

Labor Operation

Description

Labor Time

C6040

Adjuster Assembly, Front Seat Power - Replace (Driver)

Use published labor operation time

C6041

Adjuster Assembly, Front Seat Power - Replace (Passenger)

Use published labor operation time

Add

Install Shield

0.1 hrs