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Fastener Tightening Specifications

WARNING: This page is about a different car, the 2007 Pontiac G6. However, it is still accessible from the selected car via links, so may be relevant.
Fastener Tightening Specifications

Application Specification
Metric English
Catalytic Converter-to-Exhaust Manifold Bolt/Nut (LX9 and LZ9) 31 N.m 23 lb ft
Exhaust Gas Recirculation (EGR) Pipe Bolt (LX9) 10 N.m 89 lb in
Exhaust Manifold Bolt (LZ9) 20 N.m 15 lb ft
Exhaust Manifold/Catalytic Converter-to-Exhaust Manifold Pipe Nut (LE5) 35 N.m 26 lb ft
Exhaust Manifold Heat Shield Bolt 10 N.m 89 lb in
Exhaust Manifold Heat Shield Bolt (LE5) 23 N.m 17 lb ft
Exhaust Manifold Nut (LE5) 14 N.m 10 lb ft
Exhaust Manifold Nut (LX9) 16 N.m 12 lb ft
Exhaust Pipe-to-Muffler Nut 30 N.m 22 lb ft
Exhaust Pipe-to-Right Catalytic Converter Nut (LZ9) 50 N.m 37 lb ft
Heated Oxygen Sensor (HO2S) 42 N.m 31 lb ft
Left Catalytic Converter-to-Right Catalytic Converter Nut (LX9 and LZ9) 31 N.m 23 lb ft
Right Catalytic Converter-to-Muffler Nut 30 N.m 22 lb ft
Upper Exhaust Manifold Brace Bolt (LE5) 25 N.m 18 lb ft