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2020 GMC Acadia SL

Fastener Specifications

2020 GMC Acadia SLSECTION Fastener Specifications
WARNING: This page is about a different car, the 2019 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
Single Use Non-Threaded Fasteners/Components

NOTE:

All fasteners/components listed in this table MUST BE DISCARDED and replaced with NEW after removal. 
Application
Catalytic Converter Gasket
Exhaust Front Pipe Gasket
Exhaust Manifold Gasket
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)
NOTE:

Perform two torque sequence passes at the same torque specification. The exhaust manifold gasket will relax between passes

Exhaust Manifold Bolt (LCV)
  • First Pass:
 20 N.m (15 lb ft)
  • Second Pass:
 20 N.m (15 lb ft)
Reusable Threaded Fastener Tightening Specifications

NOTE:

All fasteners listed in this table can be reused after removal. 
Application Specification
Metric (English)
Catalytic Converter Brace Bracket Bolt (LCV) 22 N.m (16 lb ft)
Catalytic Converter Brace Bracket Bolt to Engine Block (LCV) 58 N.m (43 lb ft)
Catalytic Converter Heat Shield Bolt 10 N.m (89 lb in)
Catalytic Converter Nut (LGX) 58 N.m (43 lb ft)
Catalytic Converter Nut to Cylinder Head (LGX) 46 N.m (34 lb ft)
Catalytic Converter to Exhaust Manifold Nut (LCV) 50 N.m (37 lb ft)
Catalytic Converter to Front Pipe Nut (LCV) 22 N.m (16 lb ft)
Exhaust Front Pipe Bracket Bolt (LGX) 22 N.m (16 lb ft)
Exhaust Front Pipe Nut (LCV, LGX) 22 N.m (16 lb ft)
Exhaust Front Underbody Heat Shield Retainer 1.5 N.m (13 lb in)
Exhaust Intermediate Hanger Bolt 22 N.m (16 lb ft)
Exhaust Rear Muffler Heat Shield Retainer 1.5 N.m (13 lb in)
Exhaust Rear Muffler Rear Hanger 22 N.m (16 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.