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.
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HOMESERVICE MANUALSBUICK2013REGAL TURBO PREMIUM, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 71 (ENGINE MECHANICAL - 2.4L - SPECIFICATIONS)SPECIFICATIONSTHREAD REPAIR SPECIFICATIONS (LAF)CYLINDER HEAD - TOP VIEW
2013 Buick Regal Turbo Premium, Standard Trans
Cylinder Head - Top View
2013 Buick Regal Turbo Premium, Standard TransSECTION Cylinder Head - Top View
WARNING: This page is about a different car, the 2011 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
Cylinder Head - Top View
| Service Call Out | Thread Size | Insert | Drill | Counterbore Tool | Tap | Driver | Drill Depth (Maximum) | Tap Depth (Maximum) | ||
|---|---|---|---|---|---|---|---|---|---|---|
| EN 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 | M14 x 1.75 | 854 | 857 | N/A | 858 | 859 | THRU | THRU | ||
| 4 | M8 x 1.25 | 854 | 853 | N/A | 208 | 209 | 30 | 1.182 | 27 | 1.063 |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.