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.
Supplemental Inflatable Restraint System Sensing & Diagnostic Module: Installation
2002 Chevrolet Impala LSSECTION Installation
CAUTION:
Use correct fastener in correct location. Replacement fasteners must be correct part number for application. Fasteners requiring replacement or fasteners requiring use of thread locking compound or sealant are identified in service procedures. 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 fastener. Use correct tightening sequence and specifications when installing fasteners in order to avoid damage to part and systems.
- Install SDM to floor pan. Install SDM mounting fasteners. Tighten fasteners to 89 in. lbs (10 N.m).
- Install SDM wiring harness connector to SDM. Install CPA to SDM wiring harness connector. Install carpet and passenger front carpet retainer. Enable air bag system. See ENABLING AIR BAG SYSTEM under PROGRAMMING.
- Install bolts which secure front bucket seat adjuster to floor pan. Tighten bolts to 31 ft. lbs (42 N.m). Install seat belt nut to front seat stud. Tighten nut to 31 ft. lbs (42 N.m). Inspect seat for proper operation and adjustment. Position seat to original position.
- Position front bucket seat into place. Tip seat back and connect following connectors, if equipped. Power seat electrical connector electrical seat heater connector driver side air bag electrical connector Engage seat hook attachments to floor pan.
- Align head restraint to head restraint retainers in front seat back. Install head restraint to front seat, pressing down until fully seated. Raise head restraint to full up position to ensure head restraint stops at detent. Position head restraint to its original position.
- For power seat, install covers to rear of seat adjuster track. For manual seat, position covers to rear of seat adjuster track. Insert a screw to secure each track cover. Install covers to front of seat adjuster track.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.