Hummer H3. Manual — part 233

Fig. 550: 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.

2006 Hummer H3

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

Fig. 551: View of Bushing Type Insert
Courtesy of GENERAL MOTORS CORP.

14. Install the insert (2) onto the driver installation tool (1).

2006 Hummer H3

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

Fig. 552: Applying Threadlock To Insert
Courtesy of GENERAL MOTORS CORP.

15. Apply threadlock sealant GM P/N 12345493 (Canadian P/N 10953488), J 42385-109,

LOCTITE 277® or equivalent (1) to the insert OD threads (2).

2006 Hummer H3

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

Fig. 553: Tapping Threads Using Tapping Wrench - Crankshaft Main Bolt Hole
Thread Repair
Courtesy of GENERAL MOTORS CORP.

16. Install the insert and installation driver (1) into the tapped hole.

17. Start the insert into the threaded hole.

18. Install the insert until the flange of the insert contacts the counterbored surface.

IMPORTANT: If the insert will not thread down until the flange contacts the

counterbored surface remove the insert immediately with a
screw extracting tool and inspect the tapped hole for any
remaining chips and/or improper tapping.

2006 Hummer H3

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