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Fig. 137: View Of Counterbore Drill 3. Counterbore the hole to the full depth permitted by the tool (1). 4. Using compressed air, clean out any chips.
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. 138: Drilling & Tapping Threads 5. Using a tap wrench (2), tap the threads of the drilled hole. M6 inserts require a minimum tap depth of 15 mm (0.59 in). M8 inserts require a minimum tap depth of 20 mm (0.79 in). M10 inserts require a minimum tap depth of 23.5 mm (0.93 in). 6. Using compressed air, clean out any chips. 7. Spray cleaner GM P/N 12346139, GM P/N 12377981 (Canadian P/N 10953463), or
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
equivalent, into the hole. 8. Using compressed air, clean any cutting oil and chips out of the hole. Fig. 139: Lubricating Installer Tool Using Driver Oil 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 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. 140: View of Bushing Type Insert 10. 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
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