Hummer H3. Manual — part 923

Fig. 20: Removing Clutch Pilot Bearing
Courtesy of GENERAL MOTORS CORP.

2. Using the J 43276 perform the following in order to remove the clutch pilot bearing:

1. Install the J 43276-1 into the clutch pilot bearing.

2. Using a wrench, secure the J 43276-1.

2007 Hummer H3

2007 TRANSMISSION Clutch - H3

3. Insert the J 43276-2 into the J 43276-1.

4. Rotate the J 43276-2 clockwise into the J 43276-1 until the clutch pilot bearing is

completely removed from the crankshaft.

5. Rotate the J 43276-2 counterclockwise to remove the J 43276-2 from the J 43276-1.

6. Remove the J 43276-1 from the tool body.

3. Discard the old clutch pilot bearing.

Installation Procedure

Fig. 21: Installing Clutch Pilot Bearing
Courtesy of GENERAL MOTORS CORP.

2007 Hummer H3

2007 TRANSMISSION Clutch - H3

1. Install the J 45949 (3) into the clutch pilot bearing (1).

2. Install the clutch pilot bearing (1) into the crankshaft (2).

The J 45949 (3) will install the pilot bearing (1) to the proper depth of 11.6 mm (0.457 in)
(a).

3. Remove the J 45949 (3).

4. Install the Flywheel. Refer to Engine Flywheel Replacement (w/Automatic

Transmission) .

CLUTCH ASSEMBLY REPLACEMENT

Tools Required

J 36660-A Torque Angle Meter

Removal Procedure

1. Remove the transmission. Refer to Transmission Replacement .

2007 Hummer H3

2007 TRANSMISSION Clutch - H3

Fig. 22: Exploded View Of Clutch Assembly
Courtesy of GENERAL MOTORS CORP.

2. Remove the clutch pressure plate bolts (1).

Discard the bolts.

3. Remove the clutch pressure plate (2) and driven disc (3) from the dowel pins (4) on the

flywheel (5).

Installation Procedure

2007 Hummer H3

2007 TRANSMISSION Clutch - H3