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 MANUALSVOLVO1991940 TURBO, 4D SEDAN, AW71REPAIR AND DIAGNOSIS (SINGLE PAGE)RESTRAINTSAIR BAG, SRSAIR BAG RESTRAINT SYSTEMSERVICE PRECAUTIONS
1991 Volvo 940 Turbo, 4D Sedan, AW71
Service Precautions
1991 Volvo 940 Turbo, 4D Sedan, AW71SECTION Service Precautions
NOTE:
Observed these precautions when working with air bag systems:
- Always disable SRS before performing any air bag repairs. See DISABLING & ACTIVATING AIR BAG SYSTEM .
- Always wear safety glasses and gloves when handling a deployed air bag module. Air bag module may contain sodium hydroxide deposits, which irritates skin.
- Use caution when handling sensors. Never strike or jar sensors. All sensors and mounting bracket bolts must be tightened carefully to ensure proper sensor operation.
- Never apply power to SRS if a sensor is not securely attached to vehicle.
- To avoid accidental air bag deployment when trouble shooting SRS, DO NOT use self-powered electrical test equipment, such as battery-powered or AC-powered voltmeter, ohmmeter, etc. Wiring repairs should not be performed on any portion of SRS wiring circuit.
- Always handle air bag module with trim cover away from your body. Always place air bag module on workbench with trim cover facing up, away from loose objects.
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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.