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 2270 (AUTOMATIC TRANSMISSION - 6L80/6L90 - COMPONENT LOCATOR)COMPONENT LOCATORDISASSEMBLED VIEWS (6L90)UPPER CONTROL VALVE BODY ASSEMBLY
2010 GMC Savana G2500, Van Cargo Extended, 6.6 6
Upper Control Valve Body Assembly
2010 GMC Savana G2500, Van Cargo Extended, 6.6 6SECTION Upper Control Valve Body Assembly
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
| Callout | Component Name |
|---|---|
| 313 | Control Valve Body Locator Pin |
| 321 | Control Valve Upper Body |
| 322 | Control Valve Body Locator Pin |
| 323 | Retainer |
| 324 | Actuator Feed Limit Valve Spring |
| 325 | Actuator Feed Limit Valve |
| 326 | Clutch Regulator Valve Spring |
| 327 | CBR1/4-5-6 Clutch Regulator Valve |
| 328 | Clutch Regulator Valve Bore Plug |
| 329 | Clutch Boost Valve |
| 330 | Clutch Boost Valve Spring |
| 334 | 2-6 Clutch Regulator Valve |
| 335 | 2-6 Clutch Regulator Valve Gain Valve |
| 336 | 3-5 Reverse Clutch Regulator Valve |
| 337 | 1-2-3-4 Clutch Regulator Valve |
| 338 | Shuttle Valve |
RENDER: 1.0x
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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.