LEMON Manuals: Even more car manuals for everyone
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 >> Engine Block - Rear View

Engine Block - Rear 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: Engine Block Bolt Holes - Rear View
GM64590Courtesy of GENERAL MOTORS CORP.
Engine Block - Rear 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 27.0 (1.06) 21.5 (0.846)
2-4 M8 x 1.25 J 42385-210 J 42385-206 J 42385-207 J 42385-208 J 42385-209 22.5 (0.885) 17.5 (0.688)
5-6 M10 x 1.5 J 42385-215 J 42385-211 J 42385-212 J 42385-213 J 42385-214 27.0 (1.06) 21.5 (0.846)
7-13 M8 x 1.25 J 42385-210 J 42385-206 J 42385-207 J 42385-208 J 42385-209 22.5 (0.885) 17.5 (0.688)
14-16 M10 x 1.5 J 42385-215 J 42385-211 J 42385-212 J 42385-213 J 42385-214 27.0 (1.06) 21.5 (0.846)
17-18 M8 x 1.25 J 42385-210 J 42385-206 J 42385-207 J 42385-208 J 42385-209 22.5 (0.885) 17.5 (0.688)