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Engine Control System & Fuel System - 5.3L, 6.0L, 6.2L - Specifications: Specifications GMC Yukon III

Testing & Diagnostics

Ignition System Specifications

ApplicationSpecification
MetricEnglish
Firing Order1-8-7-2-6-5-4-3
Spark Plug Wire Resistance397-1,337 ohms
Spark Plug Torque15 N.m11 lb ft
Spark Plug Gap1.02 mm0.040 in

Fastener Tightening Specifications

ApplicationSpecifications
MetricEnglish
Accelerator Pedal Bolt9 N.m80 lb in
Air Cleaner Housing Screw3 N.m27 lb in
Air Cleaner Outlet Duct Clamp4 N.m35 lb in
Camshaft Position (CMP) Sensor Wire Harness Bolt12 N.m106 lb in
Chassis Wiring Harness Ground Bolt18 N.m13 lb ft
Crankshaft Position (CKP) Sensor Bolt25 N.m18 lb ft
Engine Coolant Temperature (ECT) Sensor20 N.m15 lb ft
Engine Wiring Harness Clip to Generator Bolt9 N.m80 lb in
Engine Wiring Harness Bracket Nut5 N.m44 lb in
Evaporative Emission (EVAP) Canister Bolt25 N.m18 lb ft
Evaporative Emission (EVAP) Canister Bracket Bolt25 N.m18 lb ft
Evaporative Emission (EVAP) Canister Bracket Nut25 N.m18 lb ft
Fuel Fill Pipe Bracket Bolt12 N.m106 lb in
Fuel Line Bracket Bolt12 N.m106 lb in
Fuel Line Bracket Nut18 N.m13 lb ft
Fuel Pipe Bracket to Bellhousing Stud Nut20 N.m15 lb ft
Fuel Pressure Sensor15 N.m11 lb ft
Fuel Pump Flow Control Module Bolt9 N.m80 lb in
Fuel Rail Bolt10 N.m89 lb in
Fuel Rail Crossover Pipe Retainer Screw3.8 N.m34 lb in
Fuel Tank Filler Housing to Body Screw2.3 N.m20 lb in
Fuel Tank Filler Housing to Fuel Tank Fill Pipe Screw2.3 N.m20 lb in
Fuel Tank Fill Hose Clamp2.5 N.m22 lb in
Fuel Tank Strap Bolt40 N.m30 lb ft
Heated Oxygen Sensor (HO2S)42 N.m31 lb ft
Ignition Coil Bolt10 N.m89 lb in
Knock Sensor (KS) Bolt25 N.m18 lb ft
Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor Adapter Clamp4 N.m35 lb in
Negative Battery Cable Stud25 N.m18 lb ft
Spare Tire Hoist Crossmember Bolt50 N.m37 lb ft
Spark Plug15 N.m11 lb ft
Throttle Body Bolt/Nut10 N.m89 lb in

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