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Fig. 2: Engine Block - Left/Right Side Views Hole Thread Size Insert Drill Counterbore Tool Tap Driver Drill Depth - Maximum mm (in) Tap Depth - Maximum mm (in) J 42385- 1 M8 x 1.25 210 206 207 208 209 22.5 (0.885) 17.5 (0.688) 2 M8 x 1.25 210 206 207 208 209 28.5 (1.122) 23.0 (0.905) 3 M8 x 1.25 210 206 207 208 209 21.5 (0.846) 16.0 (0.629) 4 M10 x 1.25 215 211 212 213 214 29.0 (1.141) 23.0 (0.905) 5 M10 x 1.5 215 211 212 213 214 27.0 (1.062) 21.5 (0.846) 6 M16 x 1.5 N/A N/A N/A N/A N/A N/A N/A 7 M11 x 2.0 108 105 N/A 106 107 69.0 (2.72) 60.0 (2.36) 8 M28 x 1.25 N/A N/A N/A N/A N/A N/A N/A
2008 Hummer H2 2008 ENGINE Engine Mechanical - 6.2L - H2
Engine Block - Top/Bottom Views Fig. 3: Engine Block - Top/Bottom Views Bolt hole 7 has a 30 mm (1.18 in) counterbore included in the 69.0 mm (2.72 in) drill Hole Thread Size Insert Drill Counterbore Tool Tap Driver Drill Depth - Maximum mm (in) Tap Depth - Maximum mm (in) J 42385- 1 M8 x 1.25 210 206 207 208 209 22.5 (0.885) 17.5 (0.688) 2 M10 x 1.5 215 211 212 213 214 42.5 (1.67) 37.0 (1.45) 3 M10 x 2.0 104 101 N/A 102 103 31.0 (1.22) 25.5 (1.0) 4 M10 x 2.0 104 101 N/A 102 103 53.5 (2.10) 44.0 (1.73) 5 M8 x 1.25 210 206 207 208 209 26.5 (1.043) 19.0 (0.748)
2008 Hummer H2 2008 ENGINE Engine Mechanical - 6.2L - H2
Cylinder Head - Top/End Views Fig. 4: Cylinder Head - Top/End Views Cylinder Head - Intake/Exhaust Side Views Bolt hole 2 has an 11.5 mm (0.452 in) counterbore included in the 42.5 mm (1.67 in) Bolt hole 3 has a 1.5 mm (0.059 in) counterbore included in the 31.0 mm (1.22 in) Bolt hole 4 has a 20.5 mm (0.807 in) counterbore included in the 53.5 mm (2.10 in) Hole Thread Size Insert Drill Counterbore Tool Tap Driver Drill Depth - Maximum mm (in) Tap Depth - Maximum mm (in) J 42385- 1 M8 x 1.25 210 206 207 208 209 26.5 (1.04) 19.0 (0.784) 2 M6 x 1.0 205 201 202 203 204 20.05 (0.789) 16.05 (0.632) 3 M10 x 1.5 215 211 212 213 214 28.0 (1.10) 20.0 (0.787) 4 M6 x 1.0 205 201 202 203 204 22.5 (0.885) 15.0 (0.688)
2008 Hummer H2 2008 ENGINE Engine Mechanical - 6.2L - H2
Fig. 5: 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
2008 Hummer H2 2008 ENGINE Engine Mechanical - 6.2L - H2
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