Exhaust System: Specifications

Fastener Tightening Specifications
Application Specification
Catalytic Converter Nut 60 N.m (44 lb ft)
Catalytic Converter Pipe Stud Nut 35 N.m (26 lb ft)
Engine Lift Bracket Bolt/Nut (L26/L32) 30 N.m (22 lb ft)
Exhaust Crossover Pipe Bolt/Stud (L26/L32) 20 N.m (15 lb ft)
Exhaust Crossover Pipe Heat Shield Nut (L26/L32) 20 N.m (15 lb ft)
Exhaust Crossover Pipe Nut (LS4) 25 N.m (18 lb ft)
Exhaust Gas Recirculation Valve Inlet Adapter Pipe to Exhaust Manifold Bolt (L26/L32) 29 N.m (21 lb ft)
Exhaust Hanger Bracket Bolt 25 N.m (18 lb ft)
Exhaust Manifold Bolt (LS4))
First Pass 15 N.m (11 lb ft)
Final Pass 20 N.m (15 lb ft)
Exhaust Manifold Bolt/Nut/Stud (L26/L32) 30 N.m (22 lb ft)
Exhaust Manifold Heat Shield Bolt (LS4) 9 N.m (80 lb in)
Exhaust Manifold Heat Shield Bolt (L26/L32) 10 N.m (89 lb in)
Exhaust Manifold Heat Shield Nut (L26/L32) 20 N.m (15 lb ft)
Exhaust Pipe Rear Hanger Bolt 25 N.m (18 lb ft)
Fuel Injector Sight Shield Bracket Nut (L26/L32) 30 N.m (22 lb ft)
Rear Bumper Impact Bar Bolt 25 N.m (18 lb ft)
Tail Pipe Extension Clamp 68 N.m (50 lb ft)
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