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Engine Exhaust System: Specifications GMC Terrain I

Fastener Tightening Specifications

ApplicationSpecification
MetricEnglish
3-Way Catalytic Converter to Front Pipe Nut50 N.m37 lb ft
3-Way Catalytic Converter Nut20 N.m15 lb ft
3-Way Catalytic Converter to Rear Muffler (Clamp) Nut40 N.m29 lb ft
Catalytic Converter to Cylinder Head (LFW) - First Pass Catalytic Converter to Cylinder Head (LFW) - Second Pass20 N.m15 lb ft
46 N.m34 lb ft
Catalytic Converter Brace Nut/Bolt at Converter (LEA)50 N.m37 lb ft
Catalytic Converter Brace Nut/Bolt at Engine Block (LEA)50 N.m37 lb ft
Catalytic Converter-to- Exhaust Manifold Nut/Bolt (LEA)50 N.m37 lb ft
Catalytic Converter-to- Exhaust Front Flexible Pipe Nut52 N.m38 lb ft
Exhaust Front Flexible Pipe to 3-Way Catalytic Converter50 N.m37 lb ft
Catalytic Converter Heat Shield Bolt (LFW)22 N.m16 lb ft
Exhaust Manifold Nuts (LEA)14 N.m10 lb ft
Exhaust Manifold Heat Shield Bolt10 N.m89 lb in

Fastener Tightening Specifications

Symptoms - Engine Exhaust

  1. Review the exhaust system description in order to familiarize yourself with the exhaust system components and the intended function of the components. Refer to «Exhaust System Description»(ref-491179-S03040005282012073000000) .
  2. All diagnostics on a vehicle should follow a logical process. Strategy Based Diagnostics is a uniform approach for repairing all systems. The diagnostic flow is the place to start when repairs are necessary and may always be used in order to resolve a system problem. For a detailed explanation, refer to «Strategy Based Diagnosis»(ref-491140-S09841272902012073000000) .