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 MANUALSVOLVO1991740 BASE, 4D WAGON, AUTOMATIC, AW70LREPAIR AND DIAGNOSIS (SINGLE PAGE)GENERAL INFORMATIONRESTRAINTSAIR BAG DEACTIVATION PROCEDURESMERCEDES-BENZSERVICE PRECAUTIONS
1991 Volvo 740 Base, 4D Wagon, Automatic, AW70L
Service Precautions
1991 Volvo 740 Base, 4D Wagon, Automatic, AW70LSECTION Service Precautions
Observe the following precautions when working with air bag systems:
- When working around steering column components, and before any repairs are performed, disable air bag system. See DISABLING & ACTIVATING AIR BAG SYSTEM . Failure to do this could result in accidental air bag deployment and possible personal injury.
- Always ensure radio is in OFF position before disconnecting battery. This will prevent damage to radio microprocessor.
- Before straightening any damage to body, or before performing electrical arc welding, disable air bag system. See DISABLING & ACTIVATING AIR BAG SYSTEM .
- NEVER allow any electrical source near inflator on back of air bag module.
- When carrying a live air bag module, trim cover should be pointed away from your body to minimize injury in case of accidental deployment.
- Never apply grease to SRS connectors.
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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.