Contents Wiring diagrams Section: Exhaust All sections

Engine Exhaust System: Specifications Buick LaCrosse II facelift

Fastener Tightening Specifications

ApplicationSpecification
MetricEnglish
Catalytic Converter Brace-to-Engine Block Fastener (LUK)58 N.m38 lb ft
Catalytic Converter-to-Bending Brace Fastener (LUK)28 N.m21 lb ft
Catalytic Converter to Cylinder Head Fastener (LFX)
First Pass20 N.m15 lb ft
Second Pass46 N.m34 lb ft
Catalytic Converter-to-Exhaust Manifold Fastener (LUK)36 N.m26 lb ft
Catalytic Converter-to-Exhaust Front Pipe Fastener (LUK)28 N.m21 lb ft
Exhaust Front Pipe Hanger Bracket Fastener (LUK)22 N.m16 lb ft
Exhaust Front Pipe Hanger Bracket Fastener (LFX)22 N.m16 lb ft
Exhaust Front Pipe Hanger Isolator Fastener (LFX-AWD)35 N.m26 lb ft
Exhaust Front Pipe-to-Muffler Fastener (LUK)28 N.m21 lb ft
Exhaust Front Pipe to Right Catalytic Converter Fastener50 N.m37 lb ft
Exhaust Front Pipe to Left Catalytic Converter Fastener50 N.m37 lb ft
Exhaust Manifold Heat Shield Fastener10 N.m89 lb in
Exhaust Rear Pipe Hanger Bracket Fastener22 N.m16 lb ft
Front Exhaust Pipe to Rear Muffler Fastener22 N.m16 lb ft

Fastener Tightening Specifications