Fastener Specifications

2019 Chevrolet Tahoe LS, 4WD, Gas/EthanolSECTION Fastener Specifications
WARNING: This page is about a different car, the 2018 Chevrolet Sonic. However, it is still accessible from the selected car via links, so may be relevant.
Single Use Non-Threaded Fasteners/Components

Application
NOTE:

All fasteners/components listed in this table MUST BE DISCARDED and replaced with NEW after removal.Β 

Catalytic Converter Clamp (LUV)
Exhaust Manifold Gasket (LUW)
Exhaust Front Pipe Gasket
Three-Way Catalytic Converter Gasket
Warm Up Three-Way Catalytic Converter Gasket
Single Use Threaded Fastener/Component Tightening Specifications

Application Specification
Metric (English)
NOTE:

All fasteners/components listed in this table MUST BE DISCARDED and replaced with NEW after removal.Β 

Exhaust Manifold to Cylinder Head Nut (LUW) 15 N.m (11 lb ft)
Reusable Threaded Fastener Tightening Specifications

Application Specification
Metric (English)
NOTE:

All fasteners listed in this table can be reused after removal.Β 

3 - Way Catalytic Converter-to-Exhaust Isolators 17 N.m (13 lb ft)
Catalytic Converter Brace Fastener (LUV) 22 N.m (16 lb ft)
Catalytic Converter Heat Shield Bolt - Uppder (LUW) 15 N.m (11 lb ft)
Catalytic Converter Heat Shield Bolt - Lower (LUW) 8 N.m (71 lb in)
Catalytic Converter Heat Shield Fasteners (LUV) 9 N.m (80 lb in)
Exhaust Front Pipe-to-Catalytic Converter (LUV) 22 N.m (16 lb ft)
Exhaust Manifold Brace Bolt (LUW) 20 N.m (15 lb ft)
Exhaust Muffler Fasteners 17 N.m (13 lb ft)
Exhaust Manifold Heat Shield Fasteners (LUV) 9 N.m (80 lb in)
Exhaust Manifold to Cylinder Head Nut (LUW) 15 N.m (11 lb ft)
Fuel Tank Strap Fasteners 22 N.m (16 lb ft)
Front Exhaust Pipe-to-Catalytic Converter (LUW) 20 N.m (15 lb ft)
Fuel Tank Heat Shield Fasteners 10 N.m (89 lb in)
Turbocharger Clamp Fastener (LUV) 13 N.m (115 lb in)
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:

  • 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.