Astro Van 2WD V6-4.3L VIN X (2002)
Impact Sensor: Service and Repair
Inflatable Restraint Front End Discriminating Sensor Replacement
REMOVAL PROCEDURE
1. Disable the SIR system. Refer to Air Bag(s) Arming and Disarming.
2. Disconnect the mass air flow (MAF) and the intake air temperature (IAT) sensors harness connectors.
3. Loosen the clamp.
4. Remove the air tube from the throttle body air intake cover.
5. Remove the bolts.
6. Remove the upper radiator shroud.
7. Remove the fan and clutch assembly.
8. Remove the lower radiator shroud.
9. Disconnect the inflatable restraint front end discriminating sensor harness connector located at the top of the cradle (1).
10. Remove the bolts (2).
11. Remove the inflatable restraint front end discriminating sensor (3) from the cradle.
INSTALLATION PROCEDURE
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 dirt, 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.
1. Install the inflatable restraint front end discriminating sensor to the top of the cradle.
NOTE: Refer to Fastener Notice in Service Precautions.
2. Install the inflatable restraint front end discriminating sensor mounting fasteners (2).
