Envoy 2WD V6-4.3L VIN W (1998)
Impact Sensor: Service and Repair
Front End Discriminating Sensor
Important Preliminary Precautions
Caution: Be careful when you handle a sensor. Do not strike or jolt a sensor. Before applying power to a sensor:
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Remove any did, grease, etc. from the mounting surface.
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Position the sensor horizontally on the mounting surface.
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Point the arrow on the sensor toward the front of the vehicle.
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Tighten all of the sensor fasteners and sensor bracket fasteners to the specified torque value.
Failure to follow the correct procedure could cause air bag deployment, personal injury, or unnecessary SIR system repairs.
Removal Procedure
1. Disable the SIR system. Refer to Disabling the SIR System. See: Body and Frame/Interior Moulding / Trim/Dash Board / Instrument Panel/Air
Bag(s) Arming and Disarming/Service and Repair/Air Bag Disarming and Arming/Disabling the SIR System
2. Remove oft road skid plate if equipped.
3. Remove the Connector Position Assurance (CPA) from the inflatable restraint front end discriminating sensor harness connector.
4. Disconnect the inflatable restraint front end discriminating sensor harness connector from the sensor.
5. Drill out the mounting rivets.
6. Remove the inflatable restraint front end discriminating sensor from the vehicle.
Important: The following procedures should be utilized in the event that sensor mounting holes or fasteners are damaged to the extent that the sensor
can no longer be properly mounted.
First Fastener Repair
