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 MANUALSGMC2013SIERRA 2500 2WD V8-6.0L (CNG)REPAIR AND DIAGNOSISSPECIFICATIONSCAPACITY SPECIFICATIONSAUTOMATIC TRANSMISSION/TRANSAXLESYSTEM SPECIFICATIONS
2013 GMC Sierra 2500 2WD V8-6.0L (CNG)
System Specifications
2013 GMC Sierra 2500 2WD V8-6.0L (CNG)SECTION System Specifications
AUTOMATIC TRANSMISSION FLUID CAPACITY
4L60-E / 4L65-E / 4L70-E RPO M30 Automatic Transmission
Pan Removal 4.7 liters (5.0 quarts)
Overhaul 10.6 liters (11.2 quarts)
300 mm Torque Converter Approximate
Dry Fill 10.6 liters (11.2 quarts)
6L80 RPO MYC AUTOMATIC TRANSMISSION
Pan Removal 5.7 liters (6.0 quarts)
Overhaul 9.9 liters (10.5 quarts)
Complete Trans System 11.5 liters (12.2 quarts)
Complete Trans System (Heavy Duty Cooling) 11.7 liters (12.4 quarts)
6L90 RPO MYD AUTOMATIC TRANSMISSION
Pan Removal 6.0 liters (6.3 quarts)
Overhaul 9.9 liters (10.5 quarts)
Complete Trans System 11.5 liters (12.2 quarts)
Complete Trans System (Heavy Duty Cooling) 11.7 liters (12.4 quarts)
2ML70 RPO M99 AUTOMATIC TRANSMISSION
Drain Plug Only 9.93 liters (10.5 quarts)
Drop Pan and Filter 10.88 liters (11.5 quarts)
Dry Transmission (Empty) 12.30 liters (13.0 quarts)
ALLISON 1000 RPO MW7 TRANSMISSION
Initial Fill 12 liters (12.7 quarts)
Refill 7.0 liters (7.4 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.