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 MANUALSGMC2013RV CUTAWAY 4.8L ENG VIN AREPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANSAUTOMATIC TRANSMISSION - 6L90 (MYD) - DESCRIPTION AND OPERATION
2013 GMC RV Cutaway 4.8L Eng VIN A
Automatic Transmission - 6L90 (MYD) - Description And Operation
2013 GMC RV Cutaway 4.8L Eng VIN ASECTION Automatic Transmission - 6L90 (MYD) - Description And Operation
- Description and Operation
- Definitions and Abbreviations
- Transmission Identification Information
- Transmission General Description
- Transmission Component and System Description
- Shift Stabilization Description and Operation
- Tow/Haul Mode Description and Operation
- Transmission Adaptive Functions
- Transmission Indicators and Messages
- Electronic Component Description
- Automatic Transmission Inline 16-Way Connector Description
- Automatic Transmission Hydraulic Diagrams
- Fluid Passages
- Torque Converter Housing- Fluid Pump Cover Side
- Fluid Pump Cover- Torque Converter Housing Side
- Fluid Pump Cover - Case Side
- Case- Top Channel Plate Side
- Control Valve Upper Body Assembly - Case Side
- Control Valve Upper Body Assembly - Bottom Channel Plate Side
- Control Valve Upper Body Assembly - Control Solenoid Valve Assembly Side
- Control Valve Lower Body Assembly - Control Valve Upper Body Assembly Side
- Control Valve Body Spacer Plate Assembly - Bottom Channel Plate Side
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.