Cylinder Head - Top/End Views
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2018 GMC Yukon XL, 2018 GMC Yukon, 2018 Chevrolet Tahoe, 2018 Chevrolet Suburban, and 2018 Cadillac Escalade ESV. However, it is still accessible from the selected car via links, so may be relevant.
Cylinder Head - Top/End Views
| Hole | Thread Size | Insert | Drill | Counterbore Tool | Tap | Driver | Drill Depth - Maximum mm (in) | Tap Depth - Maximum mm (in) |
|---|---|---|---|---|---|---|---|---|
| J 42385- | ||||||||
| 1 | M8 x 1.25 | N/A | N/A | N/A | N/A | N/A | 23.0 (0.907) | 23.0 (0.907) |
| 2 | M6 x 1.0 | 205 | 201 | 202 | 203 | 204 | 23.0 (0.907) | 23.0 (0.907) |
| 3 | M10 x 1.5 | 420 | 211 | 212 | 213 | 214 | 30.0 (1.18) | 30.0 (1.18) |
| 4 | M8 x 1.25 | 210 | 206 | 207 | 208 | 209 | 23.0 (0.907) | 23.0 (0.907) |
| Bolt Hole 1 (Rocker Arm Supports) are not serviceable. | ||||||||