Hummer H2. Manual — part 2557

Fig. 198: View Of Reverse Input Clutch Spring Retainer Ring
Courtesy of GENERAL MOTORS CORP.

8. Install the J 23327-1 and the J 25018-A .

9. Install the reverse input clutch spring retainer ring (610).

2004 Hummer H2

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

Fig. 199: Inspecting Plates For Damage Or Wear
Courtesy of GENERAL MOTORS CORP.

10. Inspect the belleville plate (611), the fiber plate assemblies (612B), the steel turbulator plates (612A) and

the selective backing plate (613) for the following items:

z

Damaged tangs

z

Delamination

z

Excessive wear

z

Heat damage or wear

z

Surface finish

z

Flatness

2004 Hummer H2

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

Fig. 200: Exploded View Of Reverse Input Clutch Plates
Courtesy of GENERAL MOTORS CORP.

11. Install the reverse input clutch belleville plate (611), with the inner diameter up, into the reverse input

clutch housing and drum assembly (605).

12. Install the reverse input clutch plates starting with a steel turbulator plate (612A) and alternate with a

fiber plate assembly (612B).

13. Install the reverse input clutch selective backing plate (613).

14. Install the reverse input clutch retaining ring (614).

REVERSE INPUT CLUTCH PLATE TRAVEL CHECK

2004 Hummer H2

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

Fig. 201: Checking Reverse Input Clutch Plate Travel
Courtesy of GENERAL MOTORS CORP.

1. Apply an evenly distributed load to the clutch pack.

2. Use feeler gages to check the reverse input clutch plate travel.

3. Check the travel between the selective backing plate and the reverse input clutch retainer ring.

Clutch Plate Travel Specifications: The reverse input clutch plate travel should be 1.02-1.94 mm
(0.040-0.076 in).

4. Select the proper selective backing plate to obtain the correct travel. Refer to Reverse Input Clutch

Backing Plate Selection .

REVERSE INPUT AND INPUT CLUTCHES INSTALLATION

2004 Hummer H2

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