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Chevrolet Silverado / GMC Sierra. Manual - part 2158
Fig. 152: View of Bushing Type Insert
Courtesy of GENERAL MOTORS CORP.
16. Install the insert (2) onto the driver tool (1).
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,
Sierra & Silverado
Fig. 153: Applying Threadlock To Insert
Courtesy of GENERAL MOTORS CORP.
17. Apply threadlock LOCTITE™ 277, J 42385-109 (1), or equivalent, to the insert OD
threads (2).
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,
Sierra & Silverado
Fig. 154: Installing Insert & Driver Into Cylinder Bolt Hole
Courtesy of GENERAL MOTORS CORP.
18. Install the insert and driver (1) into the hole.
Rotate the driver tool until the mark on the tool aligns with the deck surface of the engine
block.
The installer tool will tighten up before screwing completely through the insert. This is
acceptable. You are forming the bottom threads of the insert and mechanically locking the
insert to the base material threads.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,
Sierra & Silverado