Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Engine Block - Top/Bottom Views
2008 Pontiac Grand Prix BaseSECTION Engine Block - Top/Bottom Views
WARNING: This page is about a different variant/trim than selected.
Engine Block - Top/Bottom 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 | 210 | 206 | 207 | 208 | 209 | 22.5 (0.885) | 17.5 (0.688) |
| 2 | M16 x 1.5 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| 3 | M10 x 2.0 | 104 | 101 | N/A | 102 | 103 | 31.0 (1.22) | 25.5 (1.0) |
| 4 | M10 x 2.0 | 104 | 101 | N/A | 102 | 103 | 53.5 (2.10) | 44.0 (1.73) |
| 5 | M8 x 1.25 | 210 | 206 | 207 | 208 | 209 | 26.5 (1.043) | 19.0 (0.748) |
|
||||||||
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.