Hummer H3. Manual — part 827

Specification:

Five plate - 0.99-2.14 mm (0.038-0.084 in)

Six plate - 0.90-2.10 mm (0.035-0.082 in)

Seven plate - 1.12-2.04 mm (0.044-0.080 in)

3. Select the proper 3rd and 4th clutch selective backing plate to obtain the correct travel.

Refer to Third and Fourth Clutch Backing Plate Selection .

CLUTCH AIR CHECK

Inspection Procedure

IMPORTANT: When the overrun clutch is checked, the air will blow by the

forward clutch piston lip seals and exit out of the forward clutch
feed hole in the turbine shaft.

2007 Hummer H3

2007 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - H3

Fig. 348: Applying Air Into Feed Holes
Courtesy of GENERAL MOTORS CORP.

Apply air into the feed holes in the turbine shaft in order to check the following items:

The 3rd and 4th clutch (1)

The forward clutch (2)

The overrun clutch (3)

TURBINE SHAFT SEAL INSTALLATION

Tools Required

J 36418-1B Turbine Shaft Seal Installer. See Special Tools.

J 36418-2A Turbine Shaft Seal Sizer. See Special Tools.

2007 Hummer H3

2007 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - H3

Installation Procedure

Fig. 349: Installing Turbine Shaft Oil Seal Rings
Courtesy of GENERAL MOTORS CORP.

1. Use the J 36418-1B (1) in order to install the four turbine shaft oil seal rings (619). See

Special Tools.

2. Resize oil seal rings (619) after installation:

1. Place J 36418-2A (2) over the turbine shaft oil seal rings (619) and seat against input

housing. See Special Tools.

2. Remove J 36418-2A (2). See Special Tools.

3. Turn J 36418-2A (2) upside down and place over the turbine shaft oil seal ring (619).

See Special Tools.

4. Seat against input housing.

5. Leave J 36418-2A (2) in place over the turbine shaft oil seal rings (619) until the

2007 Hummer H3

2007 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - H3

reverse input clutch housing is installed. See Special Tools.

REVERSE INPUT CLUTCH DISASSEMBLE

Tools Required

J 23327-1 Forward Clutch Spring Compressor (Bridge). See Special Tools.

J 25018-A Clutch Spring Compressor Adapter. See Special Tools.

Disassembly Procedure

Fig. 350: Locating Reverse Input Clutch Plates

2007 Hummer H3

2007 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - H3