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Fastener Tightening Specifications

WARNING: This page is about a different car, the 2006 Chevrolet Monte Carlo and 2006 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
Fastener Tightening Specifications

Application Specification
Metric English
Condenser-to-Radiator Bolt 6 N.m 53 lb in
Coolant Crossover Pipe Bolt (RPO's LZE/LZ9) 50 N.m 37 lb ft
Coolant Heater (RPO LS4) 50 N.m 37 lb ft
Coolant Heater (RPO's LZE/LZ9) 60 N.m 44 lb ft
Engine Coolant Air Bleed Pipe/Cover Bolt (RPO LS4) 12 N.m 106 lb in
Lower Radiator Support Bracket Bolt 60 N.m 44 lb ft
Thermostat Bypass Pipe-to-Engine Front Cover Bolt (RPO's LZE/LZ9) 11 N.m 98 lb in
Thermostat Bypass Pipe-to-Throttle Body Nut (RPO's LZE/LZ9) 25 N.m 18 lb ft
Thermostat Housing Bolt/Stud (RPO's LZE/LZ9) 25 N.m 18 lb ft
Transmission Oil Cooler Pipe Attachment Nut 7 N.m 62 lb in
Upper Radiator Support Bracket Bolt 10 N.m 89 lb in
Water Outlet Housing Bolt (RPO LS4) 15 N.m 11 lb ft
Water Pump Bolt (RPO LS4) 10 N.m 89 lb in
Water Pump Bolt (RPO's LZE/LZ9) 10 N.m 89 lb in
Water Pump Manifold Bolt (M8) (RPO LS4) 30 N.m 22 lb ft
Water Pump Manifold Bolt (M10) (RPO LS4) 60 N.m 44 lb ft
Water Pump Pulley Bolt (RPO's LZE/LZ9) 25 N.m 18 lb ft