LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 2018 >> Corvette Z06, 2D Convertible, Automatic Trans >> Repair and Diagnosis >> Engine Mechanical >> Engine Exhaust System >> Specifications >> Fastener Specifications
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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 Manifold Gasket
Exhaust Pipe Seal
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
Metric (English)
Catalytic Converter @Exhaust Manifold Fastener 50 N.m (37 lb ft)
Exhaust Manifold Fastener
  • Existing Cylinder Head
23 N.m (17 lb ft)
  • New Cylinder Head
27 N.m (20 lb ft)
Reusable Threaded Fastener Tightening Specifications

NOTE:

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

Application Specification
Metric (English)
Exhaust Control Valve Actuator Fastener 6 N.m (53 lb in)
Exhaust Manifold Heat Shield Fastener 10 N.m (89 lb in)
Exhaust Manifold Stud 22 N.m (16 lb ft)
Exhaust Muffler Fastener 22 N.m (16 lb ft)
Exhaust Pipe Muffler Clamp 44 N.m (32 lb ft)
Exhaust Rear Muffler Hanger Bracket Fastener 25 N.m (18 lb ft)
Intermediate Pipe @Catalytic Converter Fastener 25 N.m (18 lb ft)
Intermediate Pipe Hanger Bracket Assembly Fastener 22 N.m (16 lb ft)
Rear Body Exhaust Heat Shield Fastener 2.5 N.m (22 lb in)