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Engine Controls - 4.8L, 5.3L, & 6.0L (Introduction): Specifications Chevrolet Silverado 3500

Testing & Diagnostics

Ignition System Specifications

ApplicationSpecification
MetricEnglish
Firing Order1-8-7-2-6-5-4-3
Spark Plug Wire Resistance1000 ohms per ft
Spark Plug Torque15 N.m11 lb ft
Spark Plug Gap1.52 mm0.060 in
Spark Plug Type25171803 [AC plug type] 12567759 [NGK plug type]

Ignition System Specifications

Fastener Tightening Specifications

ApplicationSpecifications
MetricEnglish
3-Phase Cable Bracket Nut15 N.m11 lb ft
3-Phase Cable to Starter/Generator Control Module (SGCM) Nut9 N.m80 lb in
Accelerator Pedal Nut20 N.m15 lb ft
Air Cleaner Outlet Duct Clamp7 N.m62 lb in
Auxiliary Heater Water Pump Bracket Bolt15 N.m11 lb ft
Brake Pipe Fittings to Electronic Brake Control Module (EBCM)25 N.m18 lb ft
Camshaft Position (CMP) Sensor Bolt29 N.m21 lb ft
Canister Vent Solenoid (CVS) Bracket Bolt12 N.m106 lb in
Crankshaft Position (CKP) Sensor Bolt25 N.m18 lb ft
Crossover Fuel Pipe Retainer Clip Attaching Screw3.8 N.m34 lb in
Electro-Hydraulic Control Unit (EHCU) Bolts25 N.m18 lb ft
Engine Coolant Temperature (ECT) Sensor20 N.m15 lb ft
Engine Wiring Harness Bracket Nut5 N.m44 lb in
EVAP Canister Bolt/Nut25 N.m18 lb ft
EVAP Canister Bracket Bolt25 N.m18 lb ft
EVAP Canister Purge Solenoid Bolt10.5 N.m93 lb in
EVAP Vent Valve Bracket Bolt12 N.m106 lb in
Fuel Composition Sensor Nut17 N.m13 lb ft
Fuel Composition Sensor to Bracket Bolt10 N.m89 lb in
Fuel Feed and EVAP Pipe Assembly Nut12 N.m106 lb in
Fuel Feed, EVAP, and Return Pipe Assembly Nut12 N.m106 lb in
Fuel Line Fitting25 N.m18 lb ft
Fuel Pipe Bracket Nut10 N.m89 lb in
Fuel Rail Bolts10 N.m89 lb in
Fuel Return Pipe Attaching Screw5 N.m44 lb in
Fuel Tank Ground Strap Bolt9 N.m80 lb in
Fuel Tank Fill Pipe Clamp2.5 N.m22 lb in
Fuel Tank Filler Housing to Body Screw2.3 N.m20 lb in
Fuel Tank Filler Pipe Housing to Fuel Tank Fill Pipe Screw2.3 N.m20 lb in
Fuel Tank Shield Bolt18 N.m13 lb ft
Fuel Tank Strap Bolt40 N.m30 lb ft
Heated Oxygen Sensor (HO2S)42 N.m31 lb ft
Ignition Coil Bolt8 N.m71 lb in
Knock Sensor20 N.m15 lb ft
Mass Air Flow/Intake Air Temperature (MAF/IAT) Sensor Clamp7 N.m62 lb in
Powertrain Control Module (PCM) Electrical Connector Bolt8 N.m71 lb in
Rear Fuel Line Bundle Nut12 N.m106 lb in
Spark Plug
New Head20 N.m15 lb ft
Used Head15 N.m11 lb ft
Starter/Generator Control Module (SGCM) Cover Bolt9 N.m80 lb in
Throttle Actuator Control (TAC) Module Nut9 N.m80 lb in
Throttle Body Nut10 N.m89 lb in

Fastener Tightening Specifications

More articles — Engine Controls - 4.8L, 5.3L, & 6.0L (Introduction)