Hummer H3. Manual — part 593

Fig. 37: Replacing Inflatable Restraint Steering Wheel Module
Courtesy of GENERAL MOTORS CORP.

Inflatable Restraint Steering Wheel Module Replacement

Callout

Component Name

Fastener Tightening Specifications: Refer to Fastener Tightening Specifications.

Preliminary Procedures

1. Disable the supplemental inflatable restraint (SIR) system. Refer to SIR Disabling

and Enabling.

2. On back side of the steering wheel shroud are 2 openings, place the wheel so that one

opening is on top.

3. Using a blunt-ended tool, push the spring fastener inward through the access hole.

Repeat the step for the other opening.

CAUTION:

Refer to SIR Inflator Module Handling and Storage Caution .

CAUTION:

Refer to SIR Caution .

2007 Hummer H3

2007 RESTRAINTS Supplemental Inflatable Restraints - H3

INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL REPLACEMENT

Removal Procedure

1. Disable the supplemental inflatable restraint (SIR) system. Refer to SIR Disabling and

Enabling.

2. Remove the steering wheel. Refer to Steering Wheel Replacement .

3. Remove the steering column trim covers. Refer to Steering Column Trim Covers

Replacement .

1

Module, Steering Wheel Inflatable Restraint
Tip:

1. Release the connector position assurance (CPA) retainer.

2. Disconnect the electrical connectors.

3. Fully deploy the module before disposal. If the module was replaced

under warranty, fully deploy and dispose of the module after the
required retention period. Refer to Inflator Module Handling and
Scrapping.

IMPORTANT: The inflatable restraint steering wheel module coil and the

multifunction turn signal switch are serviced as an assembly.

CAUTION: Refer to SIR Caution .

2007 Hummer H3

2007 RESTRAINTS Supplemental Inflatable Restraints - H3

Fig. 38: View Of Wire Harness Straps & Assembly
Courtesy of GENERAL MOTORS CORP.

4. Remove the wire harness straps from the wire harness assembly.

5. Disconnect any electrical connectors as needed.

2007 Hummer H3

2007 RESTRAINTS Supplemental Inflatable Restraints - H3

Fig. 39: View Of Multifunction Switch/SIR Coil Assembly
Courtesy of GENERAL MOTORS CORP.

6. Remove the inflatable restraint steering wheel module coil bolts.

7. Slide the inflatable restraint steering wheel module coil off of the steering column. Discard

the inflatable restraint steering wheel module coil, if replacing.

Installation Procedure

IMPORTANT: A new inflatable restraint steering wheel module coil will

come precentered with a centering tab attached. Do NOT
remove the centering tab until installation is complete.
Failure to follow procedure will cause a misalignment and re-
centering of the inflatable restraint steering wheel module
coil will be required.

2007 Hummer H3

2007 RESTRAINTS Supplemental Inflatable Restraints - H3