Hummer H3. Manual — part 385

Fig. 384: View Of Crankshaft Main Bearing Cap Stiffener
Courtesy of GENERAL MOTORS CORP.

2. Remove the crankshaft main bearing cap stiffener.

Fig. 385: View Of Crankshaft Main Bearing Caps & Lower Bearings
Courtesy of GENERAL MOTORS CORP.

3. Use EN-48268 and J 6125-1B to remove the crankshaft main bearing caps. See Special

Tools.

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

4. Remove the lower crankshaft main bearing halves.

Fig. 386: View Of Crankshaft
Courtesy of GENERAL MOTORS CORP.

5. Remove the crankshaft.

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

Fig. 387: View Of Upper Crankshaft Main Bearing Halves
Courtesy of GENERAL MOTORS CORP.

6. Remove the upper crankshaft main bearing halves.

CLUTCH PILOT BEARING REMOVAL

Tools Required

J 43276 Clutch Pilot Bearing Removal Tool. See Special Tools.

Removal Procedure

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

Fig. 388: View Of Clutch Pilot Bearing
Courtesy of GENERAL MOTORS CORP.

1. Install J 43276 into the pilot bearing. See Special Tools.

2. Remove the pilot bearing from the crankshaft.

3. Remove J 43276 . See Special Tools.

AUTOMATIC TRANSMISSION FLYWHEEL LOCATOR REMOVAL

Tools Required

J 45849 Bearing Remover. See Special Tools.

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3