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Engine Control System - 4.3L (Introduction): Specifications GMC Savana G1500

Testing & Diagnostics

Ignition System Specifications

ApplicationSpecification
MetricEnglish
Firing Order1-6-5-4-3-2
Spark Plug Wire Resistance1,000 ohms per ft
Spark Plug Torque15 N.m11 lb ft
Spark Plug Gap1.52 mm0.06 in
Spark Plug TypeR41-932 [AC plug type]

Ignition System Specifications

Fastener Tightening Specifications

ApplicationSpecification
MetricEnglish
Accelerator Control Cable Bracket Fasteners12 N.m106 lb in
Accelerator Pedal Assembly Mounting Bolts5 N.m44 lb in
AIR Hose Assembly Mounting Bolts25 N.m18 lb ft
AIR Hose Assembly Retainer Bolts40 N.m30 lb ft
AIR Hose Retainer Clip Locknut10 N.m89 lb in
AIR Pump Assembly Hold-Down Block Bolt25 N.m18 lb ft
AIR Pump Assembly Mounting Bolts25 N.m18 lb ft
AIR Solenoid Mounting Bracket Fastener4 N.m35 lb in
Air Cleaner Assembly Bolts18 N.m13 lb ft
Air Cleaner Outlet Duct Nut2 N.m18 lb in
Air Cleaner Outlet Resonator Adapter Stud8 N.m71 lb in
Air Shield Mounting Bolts33 N.m24 lb ft
Camshaft Position Sensor Screws2.2 N.m20 lb in
Crankshaft Position Sensor Mounting Bolt8 N.m71 lb in
Distributor Cap Screws2.4 N.m21 lb in
Distributor Mounting Clamp Bolt25 N.m18 lb ft
Distributor Rotor Retaining Screws2 N.m18 lb in
Distributor Rotor to Reluctor Wheel Screws19.5 N.m14 lb ft
EGR Pipe to Exhaust Manifold25 N.m18 lb ft
EGR Pipe to Intake Manifold10 N.m89 lb in
EGR Retaining Fastener to Pipe Bracket25 N.m18 lb ft
EGR Valve Attaching Bolts25 N.m18 lb ft
Engine Coolant Temperature (ECT) Sensor20 N.m15 lb ft
Evaporative Emission (EVAP) Canister Bracket Bolt12 N.m106 lb in
Exhaust Gas Recirculation (EGR) Pipe to Exhaust Manifold Fittings30 N.m22 lb ft
Fuel and EVAP Pipe Retainer Nut28 N.m21 lb ft
Fuel Fill Hose Clamp2.75 N.m24 lb in
Fuel Injector Retainer Locknuts3 N.m27 lb in
Fuel Pipe Attaching Nuts27 N.m20 lb ft
Fuel Pipe Bracket Retaining Bolt6 N.m53 lb in
Fuel Pipe Fittings27 N.m20 lb ft
Fuel Pipe Retainer Clip Nut28 N.m21 lb ft
Fuel Pipe Retainer Nuts3 N.m27 lb in
Fuel Pipe Retaining Clips Bolts12 N.m106 lb in
Fuel Tank Strap Attaching Bolts20.5 N.m15 lb ft
Heated Oxygen Sensor (HO2S)42 N.m31 lb ft
Idle Air Control (IAC) Valve Attaching Fastener3 N.m27 lb in
Ignition Coil Mounting Screws11 N.m97 lb in
Ignition Control Module (ICM) Mounting Screws3.5 N.m31 lb in
Knock Sensor (KS) Bolt25 N.m18 lb ft
Mass Air Flow (MAF) Sensor Clamps4 N.m35 lb in
Powertrain Control Module (PCM) Connector End Fasteners8 N.m71 lb in
Purge Valve Mounting Nuts12 N.m106 lb in
Spark Plugs - New Aluminum Heads20 N.m15 lb ft
Spark Plugs - New Iron Heads30 N.m22 lb ft
Spark Plugs - Used Heads15 N.m11 lb ft
Steering Linkage Shield Mounting Bolts33 N.m24 lb ft
Throttle Body Assembly Retaining Studs9 N.m80 lb in
Throttle Position (TP) Sensor Fasteners2 N.m18 lb in
Upper Manifold Bolts8 N.m71 lb in
Upper Manifold Nuts8 N.m71 lb in
Vacuum Module Attaching Bolts8 N.m71 lb in

Fastener Tightening Specifications

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