Hummer H3. Manual — part 1533

Fig. 254: Locating Reverse Gear Idler Shaft & Reverse Idler Gear
Courtesy of GENERAL MOTORS CORP.

37. Install the reverse gear idler shaft and reverse idler gear.

Ensure the reverse shift fork is in position on the reverse gear.

The slot on the reverse gear idler shaft aligns facing upward.

2007 Hummer H3

2007 TRANSMISSION Manual Transmission - Aisin AR5 - H3

Fig. 255: View Of Countershaft & Rear Bearing
Courtesy of GENERAL MOTORS CORP.

38. Install the countershaft in position.

39. Install the countershaft rear bearing. Hold the countershaft in the correct position against the

output shaft gears. The bearing will slide in the case.

2007 Hummer H3

2007 TRANSMISSION Manual Transmission - Aisin AR5 - H3

Fig. 256: Identifying Rear Bearing Retainer & Retaining Bolts
Courtesy of GENERAL MOTORS CORP.

40. Install the rear bearing retainer. The retainer installs in the slot on the reverse gear idler

shaft.

41. Install NEW rear bearing retainer bolts.

Tighten: Tighten the retainer bolts to 25 N.m (138 lb ft).

IMPORTANT: New bolts are not reusable. New bolts must be used when the

transmission is re-assembled.

2007 Hummer H3

2007 TRANSMISSION Manual Transmission - Aisin AR5 - H3

Fig. 257: Locating 5th Gear Thrust Washer
Courtesy of GENERAL MOTORS CORP.

42. Install the thrust washer lock pin.

43. Install the 5th gear thrust washer. The tapered edge side of the thrust washer goes toward the

countershaft bearing.

2007 Hummer H3

2007 TRANSMISSION Manual Transmission - Aisin AR5 - H3