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.

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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMESEATSSEAT SYSTEMREPAIR INSTRUCTIONSMEMORY SEAT CONTROL MODULE REPLACEMENTINSTALLATION PROCEDURE

2003 Chevrolet TrailBlazer 4.2 S, 4WD

Installation Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Installation Procedure

Align and install the locating tabs on the seat control module with the seat pan.
Connect the electrical connectors to the seat control module as necessary.
NOTE: 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.
Install the screw that retains the seat control module to the seat pan.
Tighten

Tighten the seat module screw to 3 N.m (26 lb in).

Fig 1: Seat Control Module Retaining Screw

Courtesy of GENERAL MOTORS CORP.

Install the seat pan to the seat assembly.
Install the nuts which retain the seat pan to the seat assembly.
Tighten

Tighten the seat pan mounting nuts to 25 N.m (18 lb ft).

Fig 2: Nuts Seat Pan To Seat Assembly

Courtesy of GENERAL MOTORS CORP.

Install the 3 seat switch bezel screws. Refer to SEAT SWITCH BEZEL REPLACEMENT .

RENDER: 1.0x

NO RELATED

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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.