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 MANUALSCHEVROLET1998SUBURBAN K2500, 7.4 J, PART TIMEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 76 (SUPPLEMENTAL INFLATABLE RESTRAINT SYSTEM)REMOVAL & INSTALLATIONSENSING & DIAGNOSTIC MODULE (SDM)REMOVAL
1998 Chevrolet Suburban K2500, 7.4 J, Part Time
Sensing & Diagnostic Module (SDM): Removal
1998 Chevrolet Suburban K2500, 7.4 J, Part TimeSECTION Removal
WARNING: This page is about a different car, the 2000 Buick Park Avenue. However, it is still accessible from the selected car via links, so may be relevant.
- Before proceeding, See AIR BAG SAFETY PRECAUTIONS . Disable air bag system. See DISABLING & ACTIVATING AIR BAG SYSTEM .
- Remove front seat assembly. Move carpet and insulation to gain access to SDM mounted on center tunnel. See Figure. Remove push on clip securing SDM wire harness to console stud. Remove Connector Position Assurance (CPA) clip and disconnect SDM harness connector. Remove SDM mounting fasteners and remove SDM from console floor.
RENDER: 1.0x
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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.