Hummer H3. Manual — part 1528

Fig. 234: Identifying 5th Gear Retaining Ring
Courtesy of GENERAL MOTORS CORP.

IMPORTANT: The retaining ring is a select fit. Always install a new

retaining ring.

2007 Hummer H3

2007 TRANSMISSION Manual Transmission - Aisin AR5 - H3

34. Select the maximum thickness retaining ring for the 5th gear, that will fit in the groove.

Refer to Fifth Gear Retaining Ring Specifications.

35. Install the 5th gear retaining ring.

Fig. 235: View Of Speed Sensor Reluctor Wheel Front Retaining Ring, Wheel & Ball
Courtesy of GENERAL MOTORS CORP.

36. If RWD, install the speed sensor reluctor wheel front retaining ring.

37. Install the speed sensor reluctor wheel locating ball.

38. Install the speed sensor reluctor wheel.

39. Install the speed sensor reluctor wheel rear retaining ring.

TRANSMISSION ASSEMBLE

Tools Required

J 39924-2 5th Gear Drag Seal Installer. See Special Tools.

J 45866 Input Shaft Seal Installer. See Special Tools.

J 45867 4WD Output Shaft Seal Installer. See Special Tools.

2007 Hummer H3

2007 TRANSMISSION Manual Transmission - Aisin AR5 - H3

J 45868 RWD Output Shaft Seal Installer. See Special Tools.

Assembly Procedure

Fig. 236: View Of Reverse Shift Fork Bracket & Bolts
Courtesy of GENERAL MOTORS CORP.

1. Install 2 bolts, with nuts, in the lower holes of the intermediate case. The bolts will be used

to hold the intermediate case in a vise during assembly.

2. Mount the intermediate case in a vise on the previously installed bolts.

IMPORTANT:

Lubricate all bearings with transmission fluid during
assembly.

The following steps apply to both the 4WD and the RWD
transmission, except where noted.

NOTE:

Refer to Machined Surface Damage Notice .

2007 Hummer H3

2007 TRANSMISSION Manual Transmission - Aisin AR5 - H3

3. Install the reverse shift fork bracket with bolts.

Tighten: Tighten the bracket bolts to 18 N.m (13 lb ft).

Fig. 237: Locating Reverse Gear Shift Shaft
Courtesy of GENERAL MOTORS CORP.

4. Install the reverse gear shift shaft.

5. Turn the shift shaft to align the interlock hole facing up.

6. Using a magnet, install the reverse shift shaft interlock.

NOTE:

Refer to Fastener Notice .

2007 Hummer H3

2007 TRANSMISSION Manual Transmission - Aisin AR5 - H3