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.
2005 Pontiac Sunfire StandardFACTORY OEM SERVICE PROCEDURE
Engine Block - Top View
Engine Block - Top View
| 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 | 23.5 | 0.925 | 18.5 | 0.73 |
| 2 | M11 x 1.5 | 507 | 504 | N/A | 505 | 506 | 113.3 | 4.461 | 107.3 | 4.22 |
| 3 | M12 x 1.75 | 865 | 856 | 857 | 858 | 859 | 13.5 | 0.531 | 12.5 | 0.49 |
Factory Service Tools
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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.