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 MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 540 (AUTOMATIC TRANSMISSION - 4L60-E - INTRODUCTION)SPECIFICATIONSTRANSMISSION GENERAL SPECIFICATIONS
2008 Chevrolet Chevy Express G3500, Van Passenger Extended
Transmission General Specifications
2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Transmission General Specifications
WARNING: This page is about a different car, the 2009 GMC Savana and 2009 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
Transmission General Specifications (4L60-E)
| Name | Hydra-Matic 4L60-E |
|---|---|
| RPO Codes | M30 |
| Production Location | Toledo, Ohio Ramos Arizpe, Mexico |
| Vehicle Platform (Engine/Transmission) Usage | G/H |
| Transmission Drive | Longitudinally-Mounted Rear Wheel Drive |
| 1st Gear Ratio | 3.059:1 |
| 2nd Gear Ratio | 1.625:1 |
| 3rd Gear Ratio | 1.000:1 |
| 4th Gear Ratio | 0.696:1 |
| Reverse | 2.294:1 |
| Torque Converter Size (Diameter of Torque Converter Turbine) | 300 mm |
| Pressure Taps | Line Pressure |
| Transmission Fluid Type | DEXRON® VI |
| Transmission Fluid Capacity (Approximate) | 300 mm Converter Dry: 11.50 l (12.1 qt) |
| Transmission Type: 4 | Four Forward Gears |
| Transmission Type: L | Longitudinal Mount |
| Transmission Type: 60 | Product Series |
| Transmission Type: E | Electronic Controls |
| Position Quadrant | P, R, N, Overdrive (Circle D), D, 2, 1 P, R, N, Overdrive (Circle D), 3, 2, 1 |
| Case Material | Die Cast Aluminum |
| Transmission Weight Dry (Approximate) | 300 mm Converter 86.17 kg (190.5 lb) |
| Transmission Weight Wet (Approximate) | 300 mm Converter 98.4 kg (218.0 lb) |
| Maximum Trailer Towing Capacity | 5 448 kg (12,000 lb) |
| Maximum Gross Vehicle Weight (GVW) | 3 900 kg (8,600 lb) |
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.