Cylinder Head - Top 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 |
M6 x 1 |
205 |
852 |
N/A |
203 |
204 |
24 |
0.945 |
20 |
0.787 |
| 2 |
M6 x 1 |
205 |
201 |
202 |
203 |
204 |
20 |
0.787 |
16 |
0.63 |
| 3 |
M8 x 1.25 |
854 |
206 |
207 |
208 |
209 |
THRU |
THRU |