Hummer H3. Manual — part 437

Fig. 572: Cleaning Out Metal Chips
Courtesy of GENERAL MOTORS CORP.

10. Using compressed air, clean out any chips.

IMPORTANT: All chips must be removed from the tapped hole prior to

insert installation.

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

Fig. 573: Spraying Cleaner Into Tapped Hole
Courtesy of GENERAL MOTORS CORP.

11. Spray cleaner GM P/N 12377981 (Canadian P/N 10953463) or equivalent into the tapped

hole.

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

Fig. 574: Cleaning Out Metal Chips
Courtesy of GENERAL MOTORS CORP.

12. Using compressed air, clean out any chips.

IMPORTANT: All chips must be removed from the tapped hole prior to

insert installation.

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

Fig. 575: Lubricating Installer Tool Using Driver Oil
Courtesy of GENERAL MOTORS CORP.

13. Lubricate the threads of the driver installation tool (2) with the driver oil (1) J 42385-110.

IMPORTANT:

Do not remove the fixture plate, ensure the fixture plate
is installed during the installation process of the insert.

Do not allow oil or other foreign material to contact the
outside diameter (OD) of the insert.

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3