Hummer H3. Manual — part 181

Fig. 362: View Of Upper Crankshaft Main Bearing Halves
Courtesy of GENERAL MOTORS CORP.

5. Remove the upper crankshaft main bearing halves.

CLUTCH PILOT BEARING REMOVAL

Tools Required

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

2006 Hummer H3

2006 ENGINE Engine Mechanical - 3.5L (L52) - H3

Fig. 363: 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 45849-1 Flywheel Locator Removal Tool. See Special Tools.

2006 Hummer H3

2006 ENGINE Engine Mechanical - 3.5L (L52) - H3

Fig. 364: View Of Flywheel Locator
Courtesy of GENERAL MOTORS CORP.

1. Install J 45849-1 into the flywheel locator. See Special Tools.

2. Remove the flywheel locator from the crankshaft.

3. Remove J 45849-1 . See Special Tools.

BALANCE SHAFT BEARING REMOVAL

Tools Required

J 44225 Balance Shaft Bearing Remover/Installer

2006 Hummer H3

2006 ENGINE Engine Mechanical - 3.5L (L52) - H3

Fig. 365: View Of Balance Shaft Journals
Courtesy of GENERAL MOTORS CORP.

1. Position the cylinder block so the cylinder head deck face is down and identify the

following:

The left balance shaft bearings are in the shorter length balance shaft journal (3) and
(4).

The right balance shaft - outer diameter is grooved, bearings are in the longer length
balance shaft journal (1) and (2).

2006 Hummer H3

2006 ENGINE Engine Mechanical - 3.5L (L52) - H3