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 MANUALSCHEVROLET2009TAHOE BASE, 4.8 CREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 4 (AUTOMATIC TRANSMISSION - 2ML70 - INTRODUCTION)SPECIFICATIONSTRANSMISSION GENERAL SPECIFICATIONS
2009 Chevrolet Tahoe Base, 4.8 C
Transmission General Specifications
2009 Chevrolet Tahoe Base, 4.8 CSECTION Transmission General Specifications
WARNING: This page is about a different variant/trim than selected.
| Name | 2ML70 |
|---|---|
| RPO Codes | M99 |
| Production Location | Baltimore, MD (USA) |
| Transmission Drive | Rear Wheel Drive |
| 1st Gear Ratio | 3.692 Electric or ICE |
| 2nd Gear Ratio | 1.705 |
| 3rd Gear Ratio | 1.000 |
| 4th Gear Ratio | 0.738 |
| Reverse | 3.692 Electric Only |
| EVT Mode 1 | Infinity to 1.70 |
| EVT Mode 2 | 1.70 to < .738 |
| Torque Dampener Size | 347 mm |
| Pressure Taps | Line Pressure (Main and Aux Pumps) |
| Transmission Fluid Type | DEXRON VI® |
| Transmission Type: Hybrid EVT (2) | 4 Forward Gears 2 EVT Modes |
| Transmission Type: EVT | 2 60 KW Internal Motors |
| Transmission Type: L | Longitude Mount |
| Transmission Type: 70 | Product Series |
| Position Quadrant | P, R, N, D, M |
| Case Material | Die Cast Aluminum |
| Transmission Net Weight (Wet) | 167 kg (368 pounds) |
| Maximum Trailer Towing Capacity | 6000 pounds |
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.