GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC C Pickup - 2WD 🢒 Body and Accessories 🢒 Seats 🢒 Lumbar Pump Replacement

Removal Procedure

    Object Number: 276304 Size: SH
  1. Remove the seat from the vehicle. Refer to Split Bench Seat Replacement or Front Seat Replacement - Bucket .
  2. Remove the pump wiring harness in-line connector.
  3. Remove the retaining rings (1) which secure the pump and the pump assembly to the seat.
  4. Remove the pump and the pump cover assembly from the seat.

Installation Procedure

    Object Number: 276304 Size: SH
  1. Install the pump and the pump cover assembly in the seat and secure with the retaining rings(1).
  2. Install the pump wiring harness in-line connector.
  3. Install the seat assembly in the vehicle. Refer to Split Bench Seat Replacement or Front Seat Replacement - Bucket .