Chevrolet Silverado / GMC Sierra. Service manual — part 381

equivalent, into the hole.

8. Using compressed air, clean any cutting oil and chips out of the hole.

Fig. 516: Lubricating Installer Tool Using Driver Oil
Courtesy of GENERAL MOTORS CORP.

9. Lubricate the threads of the installer tool (2) with the driver oil (1).

IMPORTANT: Do not allow oil or other foreign material to contact the

outside diameter (OD) of the insert.

2008 Hummer H2

2008 ENGINE Engine Mechanical - 6.2L - H2

Fig. 517: View of Bushing Type Insert
Courtesy of GENERAL MOTORS CORP.

10. Install the insert (2) onto the driver tool (1).

2008 Hummer H2

2008 ENGINE Engine Mechanical - 6.2L - H2

Fig. 518: Applying Threadlock To Insert
Courtesy of GENERAL MOTORS CORP.

11. Apply threadlock LOCTITE™ 277, J 42385-109 (1), or equivalent, to the insert OD

threads (2).

2008 Hummer H2

2008 ENGINE Engine Mechanical - 6.2L - H2

Fig. 519: Installing Insert Into Tapped Bolt Hole
Courtesy of GENERAL MOTORS CORP.

12. Install the insert (2) into the hole.

Install the insert until the flange of the insert contacts the counterbored surface. Continue to
rotate the installer tool (1) through the insert.

2008 Hummer H2

2008 ENGINE Engine Mechanical - 6.2L - H2