Removal Procedure
Caution: Refer to SIR Caution in the Preface section.
- Disable the SIR system. Refer to sir disabling and enabling zones. Refer to
SIR Disabling and Enabling .
- Remove the engine protection shield, if equipped. Refer to
Engine Protection Shield Replacement .
- Remove the connector position assurance (CPA) from the inflatable restraint front end discriminator sensor harness connector.
- Disconnect the inflatable restraint front end discriminating sensor harness connector from the sensor.
- Remove the mounting fasteners.
- Remove the inflatable restraint front end discriminating sensor from the vehicle.
Important: The following procedure should be utilized in the event that the sensor mounting holes or fasteners are damaged to the extent that the sensor may no longer be properly mounted.
- Perform the following steps in order to complete the fastener repair:
| 7.1. | Remove and discard the improperly installed fastener. |
| 7.2. | Chisel off the damaged weld nut. |
| 7.3. | Condition the front end lower tie surface where the new weld nut is to be installed. |
| 7.4. | Install the new weld nut GM P/N 11514034 or equivalent into position. |
| 7.5. | Migweld the new weld nut to the front end lower tie surface in the correct |
| 7.6. | Use the new fastener GM P/N 11514034 or equivalent. |
Installation Procedure
- Install the inflatable restraint front end discriminating sensor to the front end lower tie surface.
Notice: Refer to Fastener Notice in the Preface section.
- Install the inflatable restraint front end discriminating sensor mounting fasteners.
Tighten
Tighten the screws to 10 N·m (89 lb in).
- Connect the inflatable restraint front end discriminating harness connector to the sensor.
- Install the connector position assurance (CPA) to the inflatable restraint front end discriminating sensor harness connector.
- Install the engine protection shield, if equipped. Refer to
Engine Protection Shield Replacement.
- Enable the SIR system. Refer to
SIR Disabling and Enabling .
