Fastener Specifications (2.0L LTG)

WARNING: This page is about a different car, the 2020 Buick Regal TourX, 2020 Buick Regal, 2019 Buick Regal TourX, and 2019 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.

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

Single Use Threaded Fastener/Component Tightening Specifications

NOTE: All fasteners/components listed in this table MUST BE DISCARDED and replaced with NEW after removal.
Application	Specification
Application	Metric (English)
Exhaust Manifold Fastener
First Pass:	20 N.m (15 lb ft)
Second Pass:	20 N.m (15 lb ft)
Final Pass:	20 N.m (15 lb ft)

Reusable Threaded Fastener Tightening Specifications

NOTE: All fasteners listed in this table can be reused after removal.
Application	Specification
Application	Metric (English)
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 @ Exhaust Front Pipe	22 N.m (16 lb ft)
Catalytic Converter Nut @ Turbocharger	50 N.m (37 lb ft)
Exhaust Front Pipe Bracket Bolt	22 N.m (16 lb ft)
Exhaust Front Pipe Nut	22 N.m (16 lb ft)
Exhaust Hanger Bracket Bolt	58 N.m (43 lb ft)
Exhaust Manifold Brace Fastener	25 N.m (18 lb ft)
Exhaust Manifold Heat Shield Bolt	14 N.m (124 lb in)
Exhaust Pipe Clamp	31 N.m (23 lb ft)
Exhaust Pipe Front Hanger Bracket Bolt	22 N.m (16 lb ft)
Exhaust Pipe Front Hanger Bracket Nut	22 N.m (16 lb ft)
Exhaust Rear Muffler Insulator Bolt	58 N.m (43 lb ft)
Floor Panel Tunnel Panel Front Brace Bolt	22 N.m (16 lb ft)
Floor Panel Tunnel Panel Rear Brace Bolt	22 N.m (16 lb ft)
Propeller Shaft Bearing Support Bolt	58 N.m (43 lb ft)
Exhaust Muffler Heat Shield Bolt	9 N.m (80 lb in)