LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Hummer >> 2008 >> H3 Alpha >> Repair and Diagnosis >> External Pages >> Different car >> Section 124 (Engine Exhaust System) >> Specifications >> Fastener Tightening Specifications
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Fastener Tightening Specifications

WARNING: This page is about a different car, the 2008 Chevrolet Malibu Classic. However, it is still accessible from the selected car via links, so may be relevant.
Application Specification
Metric English
Catalytic Converter-to-Exhaust Manifold Bolt/Nut - LZ4 31 N.m 23 lb ft
Exhaust Manifold Bolt - LZ4 20 N.m 15 lb ft
Exhaust Manifold Brace Bolt - L61 25 N.m 18 lb ft
Exhaust Manifold Heat Shield Bolt - L61 23 N.m 17 lb ft
Exhaust Manifold Heat Shield Bolt - LZ4 10 N.m 89 lb in
Exhaust Manifold Nut - L61 14 N.m 124 lb in
Exhaust Manifold Pipe-to-Muffler Nut - L61 30 N.m 22 lb ft
Exhaust Manifold Pipe Nut - L61 35 N.m 26 lb ft
Exhaust Pipe Heat Shield Nut 10 N.m 89 lb in
Heater Oxygen Sensor 42 N.m 31 lb ft
Heat Shield Nut 10 N.m 89 lb in
Left Catalytic Converter-to-Exhaust Manifold Nut - LZ4 31 N.m 23 lb ft
Left Catalytic Converter-to-Right Catalytic Converter Nut - LZ4 31 N.m 23 lb ft
Rear Catalytic Converter-to-Muffler Nut 30 N.m 22 lb ft