Cylinder Head - Back View
Courtesy of GENERAL MOTORS CORP.
| Service Call Out |
Thread Size |
Insert |
Drill |
Counterbore Tool |
Tap |
Driver |
Drill Depth (Maximum) |
Tap Depth (Maximum) |
| J 42385-850 |
MM |
(IN) |
MM |
(IN) |
| 1 |
M8 x 1.25 |
210 |
206 |
207 |
208 |
209 |
25 |
0.984 |
20 |
0.787 |
| 2 |
M12 x 1.75 |
865 |
856 |
857 |
858 |
859 |
17 |
0.67 |
14 |
0.551 |