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Engine Front Cover

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Fig 1: Engine Front Cover
GM698389Courtesy of GENERAL MOTORS CORP.
Engine Front Cover

Service Hole Location Thread Size Drill Counterbore Tool Stop Collar Tap Driver Insert Drill Depth (Max) Tap Depth (Min)
1 M 6 x 1 n/a n/a n/a n/a n/a n/a 30 1.182 26 1.024
2 M 6 x 1 201 202 n/a 203 204 205 16.5 0.65 13 0.512
3 M 6 x 1 201 202 n/a 203 204 205 THRU THRU
4 M 6 x 1 201 202 n/a 203 204 205 16.5 0.65 13 0.512
5 M 6 x 1 201 202 n/a 203 204 205 16.5 0.65 13 0.512
6 M 6 x 1 201 202 n/a 203 204 205 16.5 0.65 13 0.512
7 M 6 x 1 201 202 n/a 203 204 205 17 0.669 14 0.551
8 M 6 x 1 201 202 n/a 203 204 205 17 0.669 14 0.551
9 M 6 x 1 201 202 n/a 203 204 205 17 0.669 14 0.551
10 M 6 x 1 201 202 n/a 203 204 205 16.5 0.65 13 0.512
11 M 6 x 1 201 202 n/a 203 204 414 THRU THRU
12 M 6 x 1 201 202 n/a 203 204 205 16.5 0.65 13 0.512
13 M 6 x 1 201 202 n/a 203 204 205 16.5 0.65 13 0.512
14 M 6 x 1 n/a n/a n/a n/a n/a n/a 30 1.182 26 1.024