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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1064 (Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, Or 7.0L (1 Of 5)) >> Specifications >> Thread Repair Specifications >> Cylinder Head - Intake/Exhaust Side Views

Cylinder Head - Intake/Exhaust Side Views

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Cylinder Head - Intake/Exhaust Side Views
GM1402171Courtesy of GENERAL MOTORS CORP.
Cylinder Head - Intake/Exhaust Side Views

Hole Thread Size Insert Drill Counterbore Tool Tap Driver Drill Depth - Maximum mm (in) Tap Depth - Maximum mm (in)
J 42385-
1 M6 x 1.0 205 201 202 203 204 Thru Thru
2 M10 x 1.5 215 211 212 213 214 28.0 (1.10) 20.0 (0.787)
3 M8 x 1.25 210 206 207 208 209 21.0 (0.826) 16.0 (0.629)
4 M14 x 1.25 N/A N/A N/A N/A N/A N/A N/A
5 M12 x 1.5 N/A N/A N/A N/A N/A N/A N/A
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