Hummer H3. Manual — part 174

Fig. 334: Exhaust Camshaft Position Actuator
Courtesy of GENERAL MOTORS CORP.

2006 Hummer H3

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

Fig. 335: View Of Timing Chain & Sprockets
Courtesy of GENERAL MOTORS CORP.

9. Remove the intake camshaft sprocket bolt.

10. Remove the intake camshaft sprocket.

11. Remove the timing chain.

12. Remove the crankshaft sprocket.

CRANKSHAFT REAR OIL SEAL AND HOUSING REMOVAL

2006 Hummer H3

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

Fig. 336: View Of Crankshaft Rear Oil Seal Housing
Courtesy of GENERAL MOTORS CORP.

1. Remove the crankshaft rear oil seal housing and bolts.

2. Install 2 bolts (Jack Screws) into the threaded holes to break the seal of the housing.

3. Remove the crankshaft rear oil seal housing.

CRANKSHAFT REAR OIL SEAL REMOVAL

2006 Hummer H3

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

Fig. 337: View Of Crankshaft Rear Oil Seal
Courtesy of GENERAL MOTORS CORP.

Remove the crankshaft rear oil seal and discard.

BALANCE SHAFT REMOVAL

IMPORTANT: Do not damage the crankshaft or seal bore. Pry out the crankshaft

rear oil seal out using a suitable tool.

2006 Hummer H3

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