Hummer H3. Manual — part 1512

Specification: Maximum Clearance: 1.0 mm (0.039 in)

34. If the clearance exceeds the maximum, replace the shift fork or the sleeve.

Fig. 178: Locating Detent Springs & Shift Detent Balls
Courtesy of GENERAL MOTORS CORP.

35. Inspect the interlocks for excessive wear.

36. Inspect the detent springs for distortion.

37. Inspect the shift detent balls for wear.

38. Replace the faulty parts.

2007 Hummer H3

2007 TRANSMISSION Manual Transmission - Aisin AR5 - H3

Fig. 179: Inspecting Shift Control Shaft & Lever
Courtesy of GENERAL MOTORS CORP.

39. Roll the shift control shaft on a flat surface to inspect it for being bent.

40. Inspect the shaft for wear or scoring.

41. If light scoring is present, dress the area using a soft stone. Do not use a file.

42. Inspect the shift control shaft for wear at the control lever.

43. Replace the shift control shaft if faulty.

44. Inspect the internal shift control lever for damage or excessive wear.

45. Replace the internal shift control lever if faulty.

TRANSMISSION CASE CLEANING AND INSPECTION

Clutch Housing

2007 Hummer H3

2007 TRANSMISSION Manual Transmission - Aisin AR5 - H3

Fig. 180: Locating Inspection Areas On Clutch Housing
Courtesy of GENERAL MOTORS CORP.

1. Clean the clutch housing in a suitable solvent and air dry.

2. Inspect the clutch housing for the following conditions:

Cracks

Damaged mounting flanges

Damaged bolt holes

2007 Hummer H3

2007 TRANSMISSION Manual Transmission - Aisin AR5 - H3

Front Case

Fig. 181: View Of Front Case Inspection Areas
Courtesy of GENERAL MOTORS CORP.

1. Clean the front case in a suitable cleaning solvent and air dry.

2. Remove the sealer from the case sealing surfaces.

3. Inspect the case for being broken or cracked.

4. Inspect the input shaft bearing bore (a) for the following conditions:

NOTE:

Refer to Machined Surface Damage Notice .

2007 Hummer H3

2007 TRANSMISSION Manual Transmission - Aisin AR5 - H3