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 MANUALSOLDSMOBILE1998ACHIEVA 3.1 M, 4T40E/MN4REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 18 (SUPPLEMENTAL INFLATABLE RESTRAINT SYSTEM)REMOVAL & INSTALLATIONFRONT-END DISCRIMINATING SENSORINSTALLATION
1998 Oldsmobile Achieva 3.1 M, 4T40E/MN4
Front-End Discriminating Sensor: Installation
1998 Oldsmobile Achieva 3.1 M, 4T40E/MN4SECTION Installation
WARNING: This page is about a different car, the 1998 Pontiac Sunfire and 1998 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
- Align sensor to vehicle, ensuring arrow on sensor body is pointing toward front of vehicle. Install fasteners and tighten to 89 INCH lbs. (10 N.m). Reconnect sensor connector and reinstall CPA clip.
- Activate air bag system. See DISABLING & ACTIVATING AIR BAG SYSTEM . Check system for proper operation. See TESTING - SYSTEM OPERATION CHECK .
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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.