Hummer H3. Manual — part 132

Fig. 177: View Of J 44222 Installed Onto Cylinder Head
Courtesy of GENERAL MOTORS CORP.

7. Carefully slide the sprockets with the timing chain from the J 44222 to the camshafts. See

Special Tools.

8. Remove the J 44222 from the cylinder head. See Special Tools.

IMPORTANT:

To aid in aligning the sprockets to the camshafts, use a
25 mm (1 in) wrench on the hex of the camshafts to
rotate

Ensure the alignment pins are properly engaged with the
camshafts

2006 Hummer H3

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

9. Install the new intake camshaft sprocket bolt.

10. Install the new exhaust camshaft actuator bolt.

Tighten:

1. Tighten the intake camshaft sprocket bolt a first pass to 20 N.m (15 lb ft). Using the J

45059 rotate the bolt a final pass an additional 100 degrees. See Special Tools.

2. Tighten the exhaust camshaft sprocket bolt a first pass to 25 N.m (18 lb ft). Using the J

45059 rotate the bolt a final pass an additional 135 degrees. See Special Tools.

Fig. 178: View Of J 44221 Installed On Camshafts
Courtesy of GENERAL MOTORS CORP.

11. Remove the J 44221 from the camshafts. See Special Tools.

2006 Hummer H3

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

12. Install the intake CMP sensor. Refer to Camshaft Position (CMP) Sensor Replacement-

Intake in Engine Controls - 3.5L (L52).

13. Install the exhaust CMP sensor. Refer to Camshaft Position (CMP) Sensor

Replacement-Exhaust in Engine Controls - 3.5L (L52).

14. Install the camshaft cover. Refer to Camshaft Cover Replacement.

OIL FILTER ADAPTER REPLACEMENT

Removal Procedure

1. Remove the oil filter. Refer to Engine Oil and Oil Filter Replacement.

2. Remove the oil filter adapter from the engine block.

2006 Hummer H3

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

Fig. 179: Oil Filter Adapter
Courtesy of GENERAL MOTORS CORP.

Installation Procedure

2006 Hummer H3

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