Engine Front Cover
WARNING: This page is about a different car, the 2020 Buick Regal and 2019 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
Courtesy 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) |
| EN-42385 - |
MM |
(IN) |
MM |
(IN) |
| 1 |
M6 x 1.0 |
201 |
202 |
N/A |
203 |
204 |
63 |
23.0 |
.907 |
23.0 |
.907 |
| 2 |
M8 x 1.25 |
206 |
207 |
N/A |
208 |
209 |
61 |
29.0 |
1.14 |
29.0 |
1.14 |