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HOMESERVICE MANUALSGMC2020ACADIA SLREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 1 (POWER TRANSFER UNIT - GKN 761)SPECIFICATIONSFASTENER SPECIFICATIONS
2020 GMC Acadia SL

Fastener Specifications

2020 GMC Acadia SLSECTION Fastener Specifications
WARNING: This page is about a different variant/trim than selected.
Single Use Non-Threaded Fasteners/Components

NOTE:

All fasteners/components listed in this table MUST BE DISCARDED and replaced with NEW after removal. 
Application
Power Transfer Unit Adapter Seal
Extension Housing Cover Seal
Power Transfer Unit Face Seal
Power Transfer Unit Half Shaft Seal
Power Transfer Unit Input Shaft Seal
Power Transfer Unit Intermediate Drive Shaft Seal
Power Transfer Unit Intermediate Drive Shaft Clip
Power Transfer Unit Output Shaft Seal
Power Transfer Unit Propeller Shaft Seal
Power Transfer Unit Propeller Shaft Retainer
Single Use Threaded Fastener/Component Tightening Specifications

NOTE:

All fasteners/components listed in this table MUST BE DISCARDED and replaced with NEW after removal. 
Application Specification
Metric (English)
Power Transfer Unit Fill Plug 39 N.m (29 lb ft)
Power Transfer Unit Drain Plug 39 N.m (29 lb ft)
Reusable Threaded Fastener Tightening Specifications

NOTE:

All fasteners listed in this table can be reused after removal. 
Application Specification
Metric (English)
Transfer Case Bracket Bolt@Engine 22 N.m (16 lb ft)
Power Transfer Unit Shift Actuator Bolt 10 N.m (89 lb in)
Power Transfer Unit Adapter Bolt 100 N.m (74 lb ft)
Power Transfer Unit Cover Housing Bolt 22 N.m (16 lb ft)
Power Transfer Unit Extension Housing Bolt 22 N.m (16 lb ft)
Power Transfer Unit Rear Pinion Housing Bolt 22 N.m (16 lb ft)
Power Transfer Unit Case@Transfer Case Bracket Bolt 58 N.m (43 lb ft)
Transfer Case Bracket Bolt@Power Transfer Unit Extension Housing 58 N.m (43 lb ft)
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.