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Fastener Tightening Specifications

Fastener Tightening Specifications

Application Specification
Metric English
3-Way Catalytic Converter Nuts to Exhaust Manifold Studs 63 N.m 48 lb ft
3-Way Catalytic Converter to Muffler Nuts 48 N.m 35 lb ft
Catalytic Converter to Exhaust Manifold Nut (4.3L) 50 N.m 37 lb ft
Catalytic Converter Hanger Bracket to Transmission Bolt (6.6L) 58 N.m 43 lb ft
Catalytic Converter to Muffler Clamp (4.8L, 5.3L, 6.0L) 54 N.m 40 lb ft
Catalytic Converter to Muffler Nut (4.8L, 5.3L, 6.0L) 48 N.m 35 lb ft
Catalytic Converter Nut (6.6L) 40 N.m 30 lb ft
Catalytic Converter to Particulate Filter Nut (6.6L) 45 N.m 33 lb ft
Catalytic Converter Pipe to Exhaust Pipe Nut (6.0L) 48 N.m 35 lb ft
Exhaust Hanger Bolt (4.8L, 5.3L, 6.0L) 17 N.m 13 lb ft
Exhaust Hanger to Transmission Bolt (4.3L) 50 N.m 37 lb ft
Exhaust Manifold Bolt/Stud (4.3L)
  • First Pass
15 N.m 11 lb ft
  • Final Pass
30 N.m 22 lb ft
Exhaust Manifold Bolt (4.8L, 5.3L, and 6.0L)
  • First Pass
15 N.m 11 lb ft
  • Final Pass
20 N.m 15 lb ft
Exhaust Manifold Bolt/Nut (6.6L) 57 N.m 42 lb ft
Exhaust Manifold Outlet Pipe Bolt/Nut (6.6L) 53 N.m 39 lb ft
Exhaust Pipe Clamp (6.0L) 54 N.m 40 lb ft
Exhaust Pipe Flange to Exhaust Manifold Nut (4.8L, 5.3L) 65 N.m 48 lb ft
Exhaust Pipe Heat Shield Bolt (6.6L) 8 N.m 71 lb in
Exhaust Pipe to Manifold Bolt (6.6L) 53 N.m 39 lb ft
Exhaust Pipe to Turbocharger Bolt (6.6L) 53 N.m 39 lb ft
Exhaust Manifold Pipe Studs (4.8L, 5.3L, and 6.0L) 20 N.m 15 lb ft
Exhaust Temperature Sensor. (6.6L) 45 N.m 33 lb ft
Heat Shield Bolt 9 N.m 80 lb in
Indirect Injector Nozzle (6.6L) 45 N.m 33 lb ft
Muffler to Catalytic Converter Nut (4.3L) 48 N.m 35 lb ft
Muffler to Exhaust Pipe Nut (6.0L) 48 N.m 35 lb ft
Nitrogen Oxide Sensor (6.6L) 45 N.m 33 lb ft
Turbocharger Exhaust Heat Shield Bolt (6.6L) 10 N.m 89 lb in
Turbocharger Exhaust Pipe to Catalytic Converter Clamp (6.6L) 15 N.m 11 lb ft
Turbocharger Exhaust Pipe Clamp (6.6L) 15 N.m 11 lb ft
Turbocharger Exhaust Pipe Bracket Bolt (6.6L) 34 N.m 25 lb ft
Turbocharger Heat Shield Bolt (6.6L) 10 N.m 89 lb in