Hummer H3. Manual — part 1231

TRANSMISSION SUPPORT CROSSMEMBER REPLACEMENT

Fig. 7: View Of Transmission Support Crossmember
Courtesy of GENERAL MOTORS CORP.

Transmission Support Crossmember Replacement

1

Tighten: 100 N.m (74 lb ft)

NOTE:

Refer to Fastener Notice .

2

Crossmember Nut (Qty: 4)

Tighten: 70 N.m (52 lb ft) plus 200 degrees

3

Crossmember Bolt (Qty: 4)

4

Crossmember

Callout

Component Name

2007 Hummer H3

2007 ACCESSORIES & EQUIPMENT Frame and Underbody - H3

FRAME CUSHION OR INSULATOR REPLACEMENT

Fastener Tightening Specifications: Refer to Fastener Tightening Specifications .

Preliminary Procedures

1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .

2. Remove the transfer case shield. Refer to Transfer Case Shield Replacement .

3. Support the transmission with a transmission jack.

NOTE:

Refer to Fastener Notice .

1

Transmission Mount Nut (Qty: 2)

Tighten: 57 N.m (42 lb ft)

2

Transmission Support Bolt (Qty: 4)

Tighten: 100 N.m (74 lb ft)

3

Transmission Support Nut (Qty: 4)

Tighten: 50 N.m (37 lb ft)

4

Transmission Support Bolt (Qty: 4)

5

Transmission Support

2007 Hummer H3

2007 ACCESSORIES & EQUIPMENT Frame and Underbody - H3

Fig. 8: Locating Frame Cushion Or Insulators
Courtesy of GENERAL MOTORS CORP.

Frame Cushion or Insulator Replacement

Callout

Component Name

Fastener Tightening Specifications: Refer to Fastener Tightening
Specifications.Preliminary Procedure: Raise the vehicle. Refer to Lifting and Jacking
the Vehicle .

NOTE:

Refer to Fastener Notice .

1

Bolt, Frame cushion/Insulator (Qty: 12)
Tip: It is only necessary to remove the cushion/insulator bolt of the
cushion/insulator being replaced. Though it may be necessary to loosen the
cushion/insulator bolts to either side of the cushion/insulator being replaced
in order to gain enough clearance to remove the cushion/insulator(s) being
replaced.

Tighten: 115 N.m (85 lb ft)

2

Cushion/Insulator, Frame (Qty: 12)

2007 Hummer H3

2007 ACCESSORIES & EQUIPMENT Frame and Underbody - H3

WHEELHOUSE PANEL REPLACEMENT (FRONT)

Fig. 9: Replacing Wheelhouse Panel
Courtesy of GENERAL MOTORS CORP.

Wheelhouse Panel Replacement (Front)

WHEELHOUSE PANEL REPLACEMENT (REAR)

3

Cushion/Insulator, Frame (Qty: 12)

Callout

Component Name

Fastener Tightening Specifications: Refer to Fastener Tightening Specifications .

Preliminary Procedures

1. Lift and support vehicle. Refer to Lifting and Jacking the Vehicle .

2. Remove the front wheel. Refer to Tire and Wheel Removal and Installation .

1

Retainer, Front Wheelhouse Panel (Qty: 10)

2

Panel, Front Wheelhouse

2007 Hummer H3

2007 ACCESSORIES & EQUIPMENT Frame and Underbody - H3