Hummer H3. Manual — part 1602

Fig. 23: Removing/Installing Shackle Nut & Bolt
Courtesy of GENERAL MOTORS CORP.

2. Support the rear axle at ride height.

3. Remove the shackle nut and the bolt from the frame.

4. Remove the shackle nut and the bolt from the spring.

5. Remove the shackle assembly from the vehicle.

2007 Hummer H3

2007 SUSPENSION Rear Suspension - H3

Installation Procedure

Fig. 24: Removing/Installing Shackle Nut & Bolt
Courtesy of GENERAL MOTORS CORP.

1. Install the shackle assembly to the spring.

NOTE:

Refer to Fastener Notice .

2007 Hummer H3

2007 SUSPENSION Rear Suspension - H3

2. Install the shackle nut and bolt to the spring. Do not tighten.

3. Install the shackle nut and bolt to the frame. Do not tighten.

4. Remove the rear axle support.

5. Lower the vehicle.

6. With the vehicle at trim height, tighten the rear shackle nuts.

Tighten: Tighten the rear shackle nuts to 85 N.m (63 lb ft).

SHACKLE BUSHING REPLACEMENT

Tools Required

J 21474-01 Control Arm Bushing Service Kit

Removal Procedure

1. Remove the spring shackle. Refer to Spring Shackle Replacement.

2. Remove the spare tire when servicing the left side bushing.

2007 Hummer H3

2007 SUSPENSION Rear Suspension - H3

Fig. 25: View Of Bushing Flange
Courtesy of GENERAL MOTORS CORP.

3. Use a blunt punch to straighten out the bushing flange that comes through the inner frame.

2007 Hummer H3

2007 SUSPENSION Rear Suspension - H3