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 MANUALSGMC2010SAVANA G2500, VAN CARGO EXTENDED, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1084 (ENGINE MECHANICAL - 6.6L (1 OF 5))SPECIFICATIONSTHREAD REPAIR SPECIFICATIONSUPPER ROCKER ARM COVER - TOP VIEW
2010 GMC Savana G2500, Van Cargo Extended, 6.6 6
Upper Rocker Arm Cover - Top View
2010 GMC Savana G2500, Van Cargo Extended, 6.6 6SECTION Upper Rocker Arm Cover - Top View
WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Upper Rocker Arm Cover - Top View
| Service Hole Location | Thread Size | Drill | Counterbore Tool | Stop Collar | Tap | Driver | Insert | Drill Depth (Max) | Tap Depth (Min) | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | (in) | mm | (in) | ||||||||
| 1 | M 5 x 0.8 | N/A | N/A | N/A | N/A | N/A | N.A | 13 | 0.512 | 10 | 0.394 |
| 2 | M 8 x 1.25 | -206 | -207 | N/A | -208 | -209 | -210 | 21 | 0.827 | 17 | 0.669 |
| 3 | M 6 x 1.0 | -201 | -202 | N/A | -203 | -204 | -205 | 16 | 0.630 | 12 | 0.472 |
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:
- • 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.