Hummer H2. Manual — part 2535

Fig. 113: Measuring Clutch Pack Height With J 8001
Courtesy of GENERAL MOTORS CORP.

3. Using the J 8001 (1) and the J 26900-13 (2), measure the height of the clutch pack from the work surface

to the top of the low and reverse clutch support (679).

4. Refer to Low and Reverse Clutch Spacer Plate Selection in order to select the proper thickness of the

low and reverse clutch selective spacer plate (682B).

2004 Hummer H2

2004 TRANSMISSION/TRANSAXLE Automatic Transmission - Overhaul - 4L60-E/4L65-E

Fig. 114: View Of Clutch Pack
Courtesy of GENERAL MOTORS CORP.

5. Install the proper selective spacer plate (682B) between the wave plate (682A) and the first fiber plate

assembly (682C), with the identification side up.

The overall height for the clutch pack including the selective spacer plate should be 29.22-29.90 mm
(1.15-1.18 in).

2004 Hummer H2

2004 TRANSMISSION/TRANSAXLE Automatic Transmission - Overhaul - 4L60-E/4L65-E

LOW AND REVERSE CLUTCH PLATES INSTALLATION

Fig. 115: Illustrating Steel Plate Spline Alignment
Courtesy of GENERAL MOTORS CORP.

1. Install the waved plate.

2. Install the correct selective spacer plate (from the selection procedure).

3. Install the five fiber plate assemblies and four steel plates, starting with one fiber plate assembly and

alternating with steel.

4. Index the steel plate splines in the case as shown.

LOW AND REVERSE CLUTCH SUPPORT DISASSEMBLE

2004 Hummer H2

2004 TRANSMISSION/TRANSAXLE Automatic Transmission - Overhaul - 4L60-E/4L65-E

Fig. 116: Low and Reverse Clutch Support Components
Courtesy of GENERAL MOTORS CORP.

1. Remove the low and reverse roller clutch race (675) from the low and reverse clutch support (679).

Inspect the race for damage and surface finish.

2. Remove the low and reverse roller retainer ring (677) and the low and reverse roller clutch assembly

(678). Inspect the roller clutch assembly for damaged rollers and broken springs.

2004 Hummer H2

2004 TRANSMISSION/TRANSAXLE Automatic Transmission - Overhaul - 4L60-E/4L65-E