Hummer H3. Manual — part 222

Fig. 509: Inspecting Insert For Proper Installation - Tapered Thread
Courtesy of GENERAL MOTORS CORP.

When installed to the proper depth, the flange (1) of the insert will be seated against surface (2)
of the base material of the drilled/tapped hole.

CAUTION: Refer to Safety Glasses Caution in Cautions and Notices.

IMPORTANT: The use of a cutting type fluid GM P/N 1052864 (Canadian P/N

992881), WD 40® or equivalent is recommended when performing
the drilling, counterboring and tapping procedures.

2006 Hummer H3

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

Fig. 510: Drilling Out Threads Of Damaged Hole
Courtesy of GENERAL MOTORS CORP.

IMPORTANT:

During the drilling process, it is necessary to repeatedly
remove the drill and clean chips from the hole and the
flutes of the drill.

2006 Hummer H3

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

1. Drill out the threads of the damaged hole.

Fig. 511: Cleaning Out Metal Chips
Courtesy of GENERAL MOTORS CORP.

2. Using compressed air, clean out any chips.

Drill the hole until the stop collar contacts the surface of
the base material.

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

tapping.

2006 Hummer H3

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

Fig. 512: Tapping Threads Of Drilled Hole
Courtesy of GENERAL MOTORS CORP.

IMPORTANT:

During the tapping process, it is necessary to repeatedly

2006 Hummer H3

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