Hummer H3. Manual — part 179

Fig. 354: View Of Cylinder Head Gasket
Courtesy of GENERAL MOTORS CORP.

3. Remove the cylinder head gasket.

PISTON, CONNECTING ROD, AND BEARING REMOVAL

Tools Required

J 41556 Connecting Rod Guides. See Special Tools.

2006 Hummer H3

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

Fig. 355: View Of Connecting Rod, Cap & Bolts
Courtesy of GENERAL MOTORS CORP.

1. Mark the piston with the number of the cylinder from which the piston is being removed.

Also mark the orientation.

2. Mark the connecting rod and the connecting rod cap with the cylinder position. Also mark

the orientation. This will ensure the caps and connecting rods are re-assembled properly.

3. Remove the connecting rod bolts.

2006 Hummer H3

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

4. Remove the connecting rod cap and bearing half.

Fig. 356: View Of J 41556
Courtesy of GENERAL MOTORS CORP.

5. Install J 41556 on the connecting rod. See Special Tools.

2006 Hummer H3

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

Fig. 357: View Of Connecting Rod, Piston Assembly & J 41556
Courtesy of GENERAL MOTORS CORP.

6. Remove the connecting rod and piston assembly. Push out the assembly.

7. Remove J 41556 . See Special Tools.

2006 Hummer H3

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