Fastener Specifications

2020 GMC Acadia SLSECTION Fastener Specifications
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.
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 Gasket
Exhaust System Intermediate 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)
Exhaust Pipe Clamp 15 N.m (11 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 Heat Shield Bolt (LGX) 10 N.m (89 lb in)
Catalytic Converter Heat Shield Bolt (LSY) 9 N.m (80 lb in)
Catalytic Converter Heat Shield Nut (LSY) 9 N.m (80 lb in)
Catalytic Converter Nut (LGX) 58 N.m (43 lb ft)
Catalytic Converter Nut @Cylinder Head (LGX) 46 N.m (34 lb ft)
Exhaust Front Pipe Bracket Bolt (LGX) 22 N.m (16 lb ft)
Exhaust Front Pipe Nut (LGX) 22 N.m (16 lb ft)
Exhaust Front Pipe Nut (LSY) 22 N.m (16 lb ft)
Exhaust Front Underbody Heat Shield Retainer 1.5 N.m (13 lb in)
Exhaust Hanger Bracket Bolt (LSY @ Exhaust Rear Muffler Insulator) 58 N.m (43 lb ft)
Exhaust Hanger Bracket Bolt (LSY @ Exhaust Intermediate Muffler Insulator) 22 N.m (16 lb ft)
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 Bolt 22 N.m (16 lb ft)
Exhaust System Intermediate Nut 22 N.m (16 lb ft)
Turbocharger Heat Shield Bolt 9 N.m (80 lb in)
Turbocharger Heat Shield Nut 9 N.m (80 lb in)
Warm Up Three-Way Catalytic Converter Bolt 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.