Hummer H3. Manual — part 552

2. Tighten the camshaft sprocket bolt a final pass an additional 50 degrees using the J

45059 .

14. Remove the J 42386-A and bolts. See Special Tools.

15. Remove the automatic transmission flex plate and bolts. Refer to Automatic Transmission

Flex Plate Removal.

16. Install the oil pump. Refer to Oil Pump, Screen, and Crankshaft Oil Deflector

Replacement.

CAMSHAFT REPLACEMENT

Special Tools

EN 46330 Timing Belt Tensioner Retaining Pin. See Special Tools.

EN 46330 Angle Meter. See Special Tools.

Removal Procedure

1. Remove the condenser. Refer to Condenser Replacement .

2. Remove the engine front cover. Refer to Engine Front Cover Replacement.

3. Remove all of the valve lifters. Refer to Valve Lifter Replacement.

2008 Hummer H3

2008 ENGINE Engine Mechanical - 5.3L - H3

Fig. 227: View Of Camshaft Sensor Bolt & Sensor
Courtesy of GENERAL MOTORS CORP.

4. Remove the camshaft sensor bolt and sensor.

2008 Hummer H3

2008 ENGINE Engine Mechanical - 5.3L - H3

Fig. 228: Identifying Camshaft & Crankshaft Sprocket Timing Marks
Courtesy of GENERAL MOTORS CORP.

5. Rotate the crankshaft until the timing marks on the crankshaft and camshaft sprockets are

aligned.

2008 Hummer H3

2008 ENGINE Engine Mechanical - 5.3L - H3

Fig. 229: Camshaft Sprocket Bolt
Courtesy of GENERAL MOTORS CORP.

6. Remove the camshaft sprocket bolt (206).

2008 Hummer H3

2008 ENGINE Engine Mechanical - 5.3L - H3