LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> GMC >> 2001 >> C3500 HD 8.1 G, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 8.1L - Specifications >> Specifications >> Fastener Tightening Specifications
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Fastener Tightening Specifications

Fastener Tightening Specifications

Application Specifications
Metric English
Accelerator Control Assembly to Floor Fasteners 20 N.m 15 lb ft
Camshaft Position (CMP) Sensor Bolt 12 N.m 106 lb in
Crankshaft Position (CKP) Sensor Bolt 12 N.m 106 lb in
Engine Coolant Temperature (ECT) Sensor 20 N.m 15 lb ft
Engine Sight Shield Bolts 10 N.m 89 lb in
Engine Sight Shield Bracket Bolts 10 N.m 89 lb in
Exhaust Gas Recirculation (EGR ) Valve Bolts (First Pass) 10 N.m 89 lb in
Exhaust Gas Recirculation (EGR ) Valve Bolts (Final Pass) 25 N.m 18 lb ft
Exhaust Gas Recirculation (EGR ) Valve Bracket Nuts 22 N.m 16 lb ft
Exhaust Gas Recirculation (EGR ) Valve Pipe-to-Cylinder Head Bolts 50 N.m 37 lb ft
Exhaust Gas Recirculation (EGR ) Valve Pipe-to-Exhaust Manifold Nuts 30 N.m 22 lb ft
Exhaust Gas Recirculation (EGR ) Valve Pipe-to-Intake Manifold 12 N.m 106 lb in
Evaporative Emission (EVAP) Canister Purge Valve Shoulder Bolt 10 N.m 89 lb in
Evaporative Emission (EVAP) Canister Vent Bracket Retaining Bolt 12 N.m 106 lb in
Evaporative Emission (EVAP) Canister Vent Valve bracket mount bolt 12 N.m 106 lb in
Evaporative Emission (EVAP) Canister Vent Valve Retaining Bolt 10 N.m 89 lb in
Fuel Fill Hose Clamp 2.5 N.m 22 lb in
Fuel Fill Pipe Ground Strap Bolt 9 N.m 80 lb in
Fuel Fill Pipe Housing to Fill Pipe Bolts 2.3 N.m 20 lb in
Fuel Filter Bracket Bolt 12 N.m 106 lb in
Fuel Filter Fitting 25 N.m 18 lb ft
Fuel Injection Sight Shield Retaining Bolt 10 N.m 89 lb in
Fuel Rail Attaching Bolts 12 N.m 106 lb in
Fuel Tank Shield to Flame Bolt 18 N.m 13 lb ft
Fuel Tank Strap Bolts 40 N.m 30 lb ft
Fuel Tank Vent Hose Clamp 2.5 N.m 22 lb in
Heated Oxygen Sensor (HO2S) 41 N.m 30 lb ft
Ignition Coil Attaching Bolts 10 N.m 89 lb in
Intake Manifold Sight Shield Bolt 12 N.m 106 lb in
Knock Sensor (KS) 19 N.m 14 lb ft
Manifold Pipe Fastener to Exhaust Manifold 25 N.m 18 lb ft
Manifold Absolute Pressure (MAP) Sensor Retaining Bolt 12 N.m 106 lb in
Manifold Pipe Fastener to Fuel Rail Stud 12 N.m 106 lb in
Powertrain Control Module (PCM) Connector End Bolts 8 N.m 71 lb in
Spark Plug Existing Iron Head 20 N.m 15 lb ft
Spark Plug New Iron Head 30 N.m 22 lb ft
Throttle Body Attaching Bolts 10 N.m 89 lb in
Upper Engine Wire Harness Retainer Stud 10 N.m 89 lb in