Hummer H3. Manual — part 1489

Fig. 96: Identifying 1st Gear Thrust Washer Lock Pin
Courtesy of GENERAL MOTORS CORP.

10. Remove the 1st gear thrust washer lock pin.

Fig. 97: View Of 1st Gear Spacer
Courtesy of GENERAL MOTORS CORP.

2007 Hummer H3

2007 TRANSMISSION Manual Transmission - Aisin AR5 - H3

11. Remove the 1st gear bearing spacer.

Fig. 98: Checking 2nd Gear Axial Play
Courtesy of GENERAL MOTORS CORP.

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

Special Tools.

Specification:

Standard Clearance: 0.10-0.25 mm (0.0039-0.00098 in)

Maximum Clearance: 0.30 mm (0.0118 in)

2007 Hummer H3

2007 TRANSMISSION Manual Transmission - Aisin AR5 - H3

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.

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

Inspection.

2007 Hummer H3

2007 TRANSMISSION Manual Transmission - Aisin AR5 - H3

Fig. 99: View Of 1st/2nd Synchronizer Hub Retaining Ring
Courtesy of GENERAL MOTORS CORP.

14. Using 2 screwdrivers and a hammer, remove the 1st/2nd synchronizer hub retaining ring.

2007 Hummer H3

2007 TRANSMISSION Manual Transmission - Aisin AR5 - H3