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Engine Front Cover

Fig 1: Engine Front Cover
GM2201855Courtesy of GENERAL MOTORS COMPANY
Engine Front Cover

Hole Location Thread Size Drill Counter Bore Tool Stop Collar Tap Driver Insert Drill Depth (Maximum) Tap Depth (Minimum)
J 42385 - MM (IN) MM (IN)
1 M6 x 1.0 201 202 N/A 203 204 205 THRU THRU
2 M8 x 1.25 206 207 N/A 208 209 210 28.5 1.1220 23.0 0.9055
3 M6 x 1.0 201 202 N/A 203 204 205 21.5 0.8465 18.0 0.7087
4 M10 x 1.5 211 212 N/A 213 214 215 THRU THRU
5 M10 x 1.5 211 212 N/A 213 214 420 32.5 1.2795 27.0 1.0630