Chevrolet Silverado / GMC Sierra. Manual - part 391
Fig. 11: EGR Cooler (Front View)
Courtesy of GENERAL MOTORS CORP.
EGR Cooler - Front View
Service
Hole
Thread
Counterbore Stop
Drill
Depth
(Max)
Tap
Depth
(Min)
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
EGR - Top View
Fig. 12: EGR (Top View)
Location
Size
Drill
Tool
Collar Tap Driver Insert mm (in) mm (in)
1
M 8 x
1.25
-206
-207
N/A
-208
-209
-210
THRU
THRU
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Courtesy of GENERAL MOTORS CORP.
EGR - Top View
Thermostat Housing - Top View
Fig. 13: Thermostat Housing (Top View)
Courtesy of GENERAL MOTORS CORP.
Thermostat Housing - Top View
Service
Hole
Location
Thread
Size
Drill
Counterbore
Tool
Stop
Collar Tap Driver Insert
Drill
Depth
(Max)
Tap
Depth
(Min)
mm (in) mm (in)
1
M 8 x
1.25
-206
-207
N/A
-208
-209
-210
THRU
THRU
Service
Hole
Location
Thread
Size
Drill
Counterbore
Tool
Stop
Collar Tap Driver Insert
Drill
Depth
(Max)
Tap
Depth
(Min)
mm (in) mm (in)
1
M 8 x
1.25
-206
-207
N/A
-208
-209
-210
21 0.827 17 0.669
2
M 8 x
1.25
-206
-207
N/A
-208
-209
-210
THRU
THRU
3
NPT 3/8 -2013
N/A
N/A
-294 -2015 -2016
THRU
THRU
4
M 8 x
1.25
-206
-207
N/A
-208
-209
-210
19 0.748 15 0.591
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
AC Bracket
Fig. 14: View Of AC Bracket
Courtesy of GENERAL MOTORS CORP.
AC Bracket
Generator Bracket - Front View
Service
Hole
Location
Thread
Size
Drill
Counterbore
Tool
Stop
Collar Tap Driver Insert
Drill
Depth
(Max)
Tap
Depth
(Min)
mm (in) mm (in)
1
M 10 x
1.5
-211
-212
N/A
-213
-214
-420
30 1.182 25 0.985
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado