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 MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1979 (AUTOMATIC TRANSMISSION - 2ML70 - DESCRIPTION AND OPERATION)
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2
Section 1979 (Automatic Transmission - 2ML70 - Description And Operation)
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Section 1979 (Automatic Transmission - 2ML70 - Description And Operation)
WARNING: This page is about a different car, the 2011 GMC Yukon, 2011 Chevrolet Tahoe, and 2011 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
- Description and Operation
- Definitions and Abbreviations
- Transmission Identification Information
- Transmission General Description
- Transmission Component and System Description
- Transmission Adaptive Functions
- Transmission Indicators and Messages
- Electronic Component Description
- Wiring Harness Inline Connector Description
- Automatic Transmission Hydraulic Diagrams
- Park - Engine Running
- EVT Mode Reverse - Engine Running
- EVT Mode Reverse - Engine Off
- Neutral - Engine Running
- EVT Mode Low - Engine Running
- EVT Mode Low - Engine Off
- Drive Range, First Gear
- Drive Range, Second Gear
- Drive Range, Third Gear
- Drive Range - Fourth Gear
- EVT Mode High - From Drive Range 4th Gear
- Power Off Low Default
- Power Off High Default
- Fluid Passages
- Torque Dampener Housing Assembly
- Fluid Pump Cover Assembly - Torque Dampener Housing Assembly Side
- Fluid Pump Cover Assembly - Case Assembly Side
- Case Assembly - Fluid Pump Cover Assembly Side
- Case Assembly - Rear Case Assembly Side
- Center Support Assembly - Case Assembly Side
- Rear Case Assembly - Case Assembly Side
- Case Assembly - Control Valve Upper Body Assembly Side
- Control Valve Upper Body Assembly - Case Assembly Side
- Control Valve Upper Body Assembly - Control Valve Channel Plate Side
- Control Valve Body Spacer (w/Gasket) Plate Assembly - Control Valve Upper Body Assembly Side
- Control Valve Channel Plate - Control Valve Upper Body Assembly Side
- Control Valve Channel Plate - Control Solenoid Valve Assembly Side
- Control Solenoid (w/Body and TCM) Valve Assembly - Control Valve Channel Plate Side
- 2WD Output Housing Extension Assembly - Rear Case Assembly Side
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:
- 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.