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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1043 (Engine Mechanical - 4.8L, 5.3L & 6.0L (Introduction)) >> Specifications >> Thread Repair Specifications >> Cylinder Head - End View

Cylinder Head - End View

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Cylinder Head Bolt Holes - End View
GM64503Courtesy of GENERAL MOTORS CORP.
Cylinder Head - End View

Hole Thread Size Insert Drill Counterbore Tool Tap Driver Drill Depth - Maximum mm (in) Tap Depth - Maximum mm (in)
1 M10 x 1.5 J 42385-215 J 42385-211 J 42385-212 J 42385-213 J 42385-214 28.0 (1.10) 20.0 (0.787)
2 - N/A - - - - - -
3 M10 x 1.5 J 42385-215 J 42385-211 J 42385-212 J 42385-213 J 42385-214 28.0 (1.10) 20.0 (0.787)
4 N/A - - - - - - -
5-6 M10 x 1.5 J 42385-215 J 42385-211 J 42385-212 J 42385-213 J 42385-214 28.0 (1.10) 20.0 (0.787)
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