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 MANUALSGMC2020ACADIA SLREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 1 (POWER TRANSFER UNIT - GKN 761)
2020 GMC Acadia SL
Section 1 (Power Transfer Unit - GKN 761)
2020 GMC Acadia SLSECTION Section 1 (Power Transfer Unit - GKN 761)
WARNING: This page is about a different variant/trim than selected.
- Specifications
- Visual Identification
- Diagnostic Information and Procedures
- Repair Instructions - On Vehicle
- Power Transfer Unit Case Fluid Replacement
- Drain Plug Replacement
- Fill Plug Replacement
- Power Transfer Unit Vent Replacement (LSY)
- Power Transfer Unit Vent Replacement (LGX)
- Intermediate Drive Shaft Replacement
- Power Transfer Unit Intermediate Drive Shaft Seal Replacement
- Output Shaft Seal Replacement
- Intermediate Drive Shaft Bearing Replacement
- Power Transfer Unit Shift Actuator Replacement
- Transfer Case Bracket Replacement (LGX)
- Transfer Case Bracket Replacement (LSY)
- Power Transfer Unit Case Replacement (LGX)
- Power Transfer Unit Case Replacement (LSY)
- Power Transfer Unit Heat Shield Replacement
- Repair Instructions - Off Vehicle
- Power Transfer Unit Case Disassemble
- Power Transfer Unit Case Holding Fixture Installation, Oil Fill Plug, Oil Drain Plug, and Vent Hose Connector Removal
- Power Transfer Unit Shift Actuator Removal
- Power Transfer Unit Intermediate Drive Shaft Components Removal
- Power Transfer Unit Worm Gear Removal
- Power Transfer Unit Extension Housing Removal
- Power Transfer Unit Rear Output Shaft Housing Removal
- Power Transfer Unit Input Shaft Assembly Removal
- Power Transfer Unit Idler Shaft and Input Disconnect Shaft Removal
- Power Transfer Unit Input Shaft Seal - Cover Removal
- Power Transfer Unit Input Shaft Seal - Case Removal
- Power Transfer Unit Case Cleaning and Inspection
- Power Transfer Unit Case Housing Cleaning and Inspection
- Power Transfer Unit Cover Housing Cleaning and Inspection
- Power Transfer Unit Case Extension Housing Cleaning and Inspection
- Power Transfer Unit Rear Output Shaft Housing Cleaning and Inspection
- Power Transfer Unit Input Shaft Cleaning and Inspection
- Power Transfer Unit Input Disconnect Shaft Cleaning and Inspection
- Power Transfer Unit Idler Shaft Cleaning and Inspection
- Power Transfer Unit Intermediate Drive Shaft Cleaning and Inspection
- Power Transfer Unit Shift Components Cleaning and Inspection
- Power Transfer Unit Case Assemble
- Power Transfer Unit Input Shaft Seal - Case Installation
- Power Transfer Unit Input Shaft Seal - Cover Installation
- Power Transfer Unit Idler Shaft and Input Disconnect Shaft Installation
- Power Transfer Unit Rear Output Shaft Housing Installation
- Power Transfer Unit Input Shaft Assembly Installation
- Power Transfer Unit Extension Housing Installation
- Power Transfer Unit Worm Gear Installation
- Power Transfer Unit Intermediate Drive Shaft Components Installation
- Power Transfer Unit Shift Actuator Installation
- Power Transfer Unit Case Holding Fixture Removal, Oil Fill Plug, Oil Drain Plug, and Vent Hose Connector Installation
- Power Transfer Unit Case Disassemble
- Description and Operation
- Special Tools and Equipment
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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.