lemon-mirror:
Home >> Buick >> 2017 >> LaCrosse Base >> Repair and Diagnosis >> Engine Mechanical >> Exhaust System >> Specifications >> Fastener Specifications

Fastener Specifications

Single Use Non-Threaded Fasteners/Components

NOTE:

All fasteners/components listed in this table MUST BE DISCARDED and replaced with NEW after removal. 

Application
Catalytic Converter Gasket
Exhaust Front Pipe Gasket
Exhaust Manifold Gasket
Reusable Threaded Fastener Tightening Specifications

NOTE:

All fasteners listed in this table can be reused after removal. 

Application Specification
Metric (English)
Catalytic Converter Brace Bolt-Top (LHN) 58 N.m (43 lb ft)
Catalytic Converter Brace Bolt (LHN) 22 N.m (16 lb ft)
Catalytic Converter Brace Bracket Bolt-Top (LHN) 58 N.m (43 lb ft)
Catalytic Converter Brace Bracket Bolt 22 N.m (16 lb ft)
Catalytic Converter Heat Shield Bolt 10 N.m (89 lb in)
Catalytic Converter Nut (LGX) 58 N.m (43 lb ft)
Catalytic Converter Nut (LHN) 50 N.m (37 lb ft)
Catalytic Converter Nut to Cylinder Head (LGX) 46 N.m (34 lb ft)
Exhaust Front Bracket Bolt (LHN) 58 N.m (43 lb ft)
Exhaust Front Pipe Bolt @Oil Pan (LHN) 22 N.m (16 lb ft)
Exhaust Front Pipe Bracket Bolt (LGX) 22 N.m (16 lb ft)
Exhaust Front Pipe Nut (LGX) 22 N.m (16 lb ft)
Exhaust Front Pipe Nut @Exhaust Muffler (LHN) 22 N.m (16 lb ft)
Exhaust Front Pipe Nut @ Warm Up Three-Way Catalytic Converter (LHN) 22 N.m (16 lb ft)
Exhaust Front Underbody Heat Shield Retainer 1.5 N.m (13 lb in)
Exhaust Hanger Bracket Nut (LHN) 22 N.m (16 lb ft)
Exhaust Heat Shield Bolt- Front (LHN) 22 N.m (16 lb ft)
Exhaust Heat Shield Bolt (LHN) 9 N.m (80 lb in)
Exhaust Heat Shield Retainer (LHN) 1.5 N.m (13 lb in)
Exhaust Intermediate Hanger Bolt 22 N.m (16 lb ft)
Exhaust Manifold Bolt (LHN) 20 N.m (15 lb ft)
Exhaust Manifold Heat Shield Bolt (LHN) 14 N.m (10 lb ft)
Exhaust Muffler Rear Heat Shield Retainer (LHN) 1.5 N.m (13 lb in)
Exhaust Rear Muffler Heat Shield Retainer 1.5 N.m (13 lb in)
Exhaust Rear Muffler Rear Hanger 22 N.m (16 lb ft)