Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

2004 Isuzu Ascender 2WD L6-4.2LFACTORY OEM SERVICE PROCEDURE

Lumbar Replacement - Front Seat

Lumbar Replacement - Front Seat

Removal Procedure

1. Remove the front seat from the vehicle.
2. Remove the seat back cover and pad.
3. Remove the seat back panel.
4. Disconnect the electrical connector from the lumbar motor.
5. Detach the lumbar clip from the top of the seat back frame.

6. Remove the lumbar motor mounting screw.
7. Remove the lumbar assembly from the seat.

Installation Procedure

1. Position the lumbar assembly onto the seat.

Notice: Refer to Fastener Notice in Service Precautions.

2. Install the lumbar motor mounting screw.

Tighten the lumbar motor mounting screw to 8 N.m (71 lb in).

3. Attach the lumbar clips onto the top and bottom of the seat back frame.
4. Connect the electrical connector to the lumbar motor.
5. Install the seat back panel.
6. Install the seat back pad and cover.
7. Install the seat in the vehicle.

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.

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