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.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSGMC2020ACADIA SLREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 446 (TRANSMISSION COOLING SYSTEM)
2020 GMC Acadia SL
Section 446 (Transmission Cooling System)
2020 GMC Acadia SLSECTION Section 446 (Transmission Cooling System)
WARNING: This page is about a different car, the 2023 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Repair Instructions
- Automatic Transmission Fluid Cooling Heat Exchanger Inlet Hose Replacement (LSY)
- Automatic Transmission Fluid Cooling Heat Exchanger Outlet Hose Replacement (LSY)
- Transmission Fluid Auxiliary Cooler Replacement (LGX, with V08)
- Transmission Fluid Auxiliary Cooler Inlet Pipe Replacement (LCV, LGX, without V08)
- Transmission Fluid Auxiliary Cooler Outlet Pipe Replacement (LCV, LGX, without V08)
- Transmission Fluid Cooler Thermal Bypass Valve Replacement (LGX, With V08)
- Transmission Fluid Cooler Pipe Connector Replacement
- Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection
- Transmission Fluid Cooler Pipe Fitting Replacement
- Transmission Fluid Cooler Inlet Pipe Replacement (LGX, with V08)
- Transmission Fluid Cooler Inlet Pipe Replacement (LCV, LGX, without V08)
- Transmission Fluid Cooler Outlet Pipe Replacement (LGX, with V08)
- Transmission Fluid Cooler Outlet Pipe Replacement (LCV, LGX, without V08)
- Transmission Fluid Cooler Inlet and Outlet Pipe Replacement (LSY)
- Automatic Transmission Fluid Cooling Exchanger Replacement (LSY)
- Automatic Transmission Fluid Cooling Heat Exchanger Inlet Pipe Replacement (LSY)
- Transmission Fluid Cooler Pipe Replacement (LGX, With V08)
- Special Tools and Equipment
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.