Hummer H3. Manual — part 1488

Fig. 92: Measuring 1st Gear Axial Play
Courtesy of GENERAL MOTORS CORP.

5. Using J 8001-3 or J 26900-12 (1) and J 26900-13 (2), measure the 1st gear axial play. See

Special Tools.

IMPORTANT: Before disassembly of the output shaft, measure the axial

play of the speed gears. If axial play of the speed gears is
incorrect, it may cause shifting concerns or transmission
noise.

2007 Hummer H3

2007 TRANSMISSION Manual Transmission - Aisin AR5 - H3

Specification:

Standard Clearance: 0.20-0.45 mm (0.0079-0.0177 in)

Maximum Clearance: 0.50 mm (0.0197 in)

1. Position J 8001-3 or J 26900-12 (1) on the top of the gear teeth. See Special Tools.

2. Zero the gage.

3. Lift up on the gear to measure the clearance.

6. If the clearance exceeds the maximum, refer to Gears and Shafts Cleaning and

Inspection.

Fig. 93: Removing/Installing 5th Gear Retaining Ring
Courtesy of GENERAL MOTORS CORP.

7. Using 2 screwdrivers and a hammer, remove the 5th gear retaining ring.

2007 Hummer H3

2007 TRANSMISSION Manual Transmission - Aisin AR5 - H3

Fig. 94: Pressing Out 5th Gear And The Output Shaft Rear Bearing
Courtesy of GENERAL MOTORS CORP.

8. Using a hydraulic press, remove the 5th gear and the output shaft rear bearing.

2007 Hummer H3

2007 TRANSMISSION Manual Transmission - Aisin AR5 - H3

Fig. 95: Locating Output Shaft Components
Courtesy of GENERAL MOTORS CORP.

9. Remove the following components from the rear of the output shaft:

The 5th gear (150)

The output shaft rear bearing (193)

The 1st gear thrust washer (116)

The 1st gear (110)

The 1st gear bearing (113)

2007 Hummer H3

2007 TRANSMISSION Manual Transmission - Aisin AR5 - H3