Hummer H3. Manual — part 595

2. To center the coil perform the following:

Rotate the inner portion of the SIR coil clockwise till it stops.

Rotate the inner portion of the SIR coil counterclockwise 3 1/2 turns till the indicator
marks line up (2).

At this time the steering wheel harness (1) should be at the 12 o'clock position.

This indicates that the SIR coil is now centered and can be installed to the steering
column.

INFLATABLE RESTRAINT INSTRUMENT PANEL MODULE REPLACEMENT

Removal Procedure

1. Disable the SIR System. Refer to SIR Disabling and Enabling.

2. Remove the instrument panel (I/P) center trim panel. Refer to Instrument Panel Center

Trim Panel Replacement (Left Hand Drive) or Instrument Panel Center Trim Panel
Replacement (Right Hand Drive) .

3. Remove the radio. Refer to Radio Replacement .

4. Remove the right access cover from the I/P end cap.

5. Remove the right air outlet. Refer to Instrument Panel Outer Air Outlet Replacement -

Right Side .

6. Remove the I/P compartment door. Refer to Instrument Panel Compartment Door

Replacement .

7. Remove the digital radio receiver, if equipped. Refer to Digital Radio Receiver

Replacement .

CAUTION: Refer to SIR Caution .

CAUTION: Refer to SIR Inflator Module Handling and Storage

Caution .

2007 Hummer H3

2007 RESTRAINTS Supplemental Inflatable Restraints - H3

Fig. 44: View Of I/P Compartment Door Opening Service Holes
Courtesy of GENERAL MOTORS CORP.

8. Access the 2 fasteners located above the service holes (1) inside the I/P compartment door

opening.

2007 Hummer H3

2007 RESTRAINTS Supplemental Inflatable Restraints - H3

Fig. 45: View Of PSIR Inflator Module Fasteners
Courtesy of GENERAL MOTORS CORP.

9. Remove the fasteners from the passenger supplemental inflatable restraint (PSIR) inflator

module.

2007 Hummer H3

2007 RESTRAINTS Supplemental Inflatable Restraints - H3

Fig. 46: View Of PSIR Module Retaining Nuts
Courtesy of GENERAL MOTORS CORP.

10. Remove the 2 side retaining nuts (1) from the PSIR module.

2007 Hummer H3

2007 RESTRAINTS Supplemental Inflatable Restraints - H3