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 MANUALSCHEVROLET2012EXPRESS 3500 V8-4.8LREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINAUTOMATIC TRANSMISSION/TRANSAXLESPECIFICATIONSCAPACITY SPECIFICATIONS
2012 Chevrolet Express 3500 V8-4.8L
Capacity Specifications
2012 Chevrolet Express 3500 V8-4.8LSECTION Capacity Specifications
AUTOMATIC TRANSMISSION FLUID
4L60-E Transmission
Pan Removal 4.7 liters (5.0 quarts)
Overhaul 10.6 liters (11.2 quarts)
300mm Torque Converter Dry Fill 10.6 liters (11.2 quarts)
6L80 Transmission
Complete Trans System 11.5 liters (12.2 quarts)
6L80/6L90 Transmission
Pan Removal and Filter Replacement 5.7 liters (6.0 quarts)
Overhaul 9.9 liters (10.5 quarts)
Complete Trans System (Heavy Duty Cooling) 11.7 liters (12.4 quarts)
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.