G 2500 3/4 Ton Van V8-350 5.7L (1985): Powertrain Management
Also for this vehicle: G 2500 3/4 Ton Van L6-250 4.1L VIN D 2-bbl (1982), G 2500 3/4 Ton Van V6-262 4.3L (1986), G 2500 3/4 Ton Van V6-262 4.3L VIN Z (1992), G 2500 3/4 Ton Van V6-262 4.3L VIN Z TBI (1995), G 2500 3/4 Ton Van V8-305 5.0L (1990), G 2500 3/4 Ton Van V8-305 5.0L VIN F 4-bbl (1983), G 2500 3/4 Ton Van V8-305 5.0L VIN H 4-bbl (1982), G 2500 3/4 Ton Van V8-305 5.0L VIN M SFI (1996), G 2500 3/4 Ton Van V8-350 5.7L VIN K TBI (1995), G 2500 3/4 Ton Van V8-350 5.7L VIN L 4-bbl (1983), G 2500 3/4 Ton Van V8-379 6.2L DSL (1986), G 2500 3/4 Ton Van V8-379 6.2L DSL VIN J FI (1991), G 2500 3/4 Ton Van V8-393 6.5L DSL VIN Y (1995), G 2500 3/4 Ton Van V8-6.5L DSL Turbo VIN F (1996).
Diagnostics
Maintenance
Engine
Transmission
Brakes
Electrical
Steering & suspension
Heating & A/C
Body & interior
Choose Sections to see everything in a chapter, or a chapter title to start at its first page.
Relays and Modules - Powertrain Management25 pages
Relays and Modules - Computers and Control Systems18 pages
- Electronic Spark Timing <--> [Electronic Spark Control Module] › Component Information › Locations › Typical Electronic Spark System (ESC)2
Engine Control Module › Component Information14 pages
- Idle Speed Control Motor <--> [Idle/Throttle Speed Control Unit] › Component Information › Specifications › Electrical Specifications2
Relays and Modules - Fuel Delivery and Air Induction3 pages
Sensors and Switches - Powertrain Management30 pages
Sensors and Switches - Computers and Control Systems21 pages
- Absolute Pressure Sensor <--> [Barometric Pressure Sensor] › Component Information › Specifications23
- Coolant Temperature Sensor/Switch (For Computer) › Component Information › Specifications23
- Engine Speed Signal <--> [Engine Speed Sensor] › Component Information › Description and Operation
- Manifold Air Temperature (MAT) Sensor <--> [Intake Air Temperature Sensor] › Component Information › Specifications
- Knock Sensor › Component Information › Locations › Electronic Spark Control Knock Sensor2
Manifold Pressure/Vacuum Sensor › Component Information3 pages
Oxygen Sensor › Component Information4 pages
Throttle Position Sensor › Component Information3 pages
- Vehicle Speed Sensor › Component Information › Technical Service Bulletins › Electrical - VSS Connector Mislabeled
Sensors and Switches - Fuel Delivery and Air Induction7 pages
- Auxiliary Fuel Tank Control <--> [Fuel Tank Selector Switch] › Component Information › Locations234
Throttle Position Sensor › Component Information3 pages
- Sensors and Switches - Ignition System › Knock Sensor › Component Information › Locations › Electronic Spark Control Knock Sensor2
Tune-up and Engine Performance Checks42 pages
Fuel Pressure › System Information6 pages
- Air/Fuel Mixture › System Information › Adjustments › Federal2345
Idle Speed › System Information8 pages
Air Cleaner Housing › Air Filter Element › Component Information › Technical Service Bulletins4 pages
- Fuel Filter › Fuel Pressure Release › System Information › Service and Repair
- Firing Order › Component Information › Specifications › Ignition Firing Order
Spark Plug Wire <--> [Ignition Cable] › Component Information › Technical Service Bulletins2 pages
Distributor, Ignition › Component Information6 pages
Spark Plug › Component Information4 pages
- Compression Check › System Information › Specifications
- Valve Clearance › System Information › Specifications2
Computers and Control Systems91 pages
- Manifold Air Temperature (MAT) Sensor <--> [Intake Air Temperature Sensor] › Component Information › Specifications
- Absolute Pressure Sensor <--> [Barometric Pressure Sensor] › Component Information › Specifications23
- Coolant Temperature Sensor/Switch (For Computer) › Component Information › Specifications23
- Assembly Line Diagnostic Link (ALDL) Connector <--> [Data Link Connector] › Component Information › Locations › California Emissions23
- Electronic Spark Timing <--> [Electronic Spark Control Module] › Component Information › Locations › Typical Electronic Spark System (ESC)2
Engine Control Module › Component Information14 pages
- Engine Speed Signal <--> [Engine Speed Sensor] › Component Information › Description and Operation
- Idle Speed/Throttle Actuator - Mechanical › Component Information › Locations
- Idle Up Control Valve › Idle Up Control Relay › Component Information › Locations
- Idle Speed Control Motor <--> [Idle/Throttle Speed Control Unit] › Component Information › Specifications › Electrical Specifications2
- Knock Sensor › Component Information › Locations › Electronic Spark Control Knock Sensor2
- Malfunction Indicator Lamp › Component Information › Description and Operation2
Manifold Pressure/Vacuum Sensor › Component Information3 pages
- Memory Calibration Unit › Component Information › Technical Service Bulletins › PROM/MEMCAL - Identification Marks2
Mixture Control Solenoid › Component Information3 pages
Oxygen Sensor › Component Information4 pages
Relays and Modules - Computers and Control Systems18 pages
- Electronic Spark Timing <--> [Electronic Spark Control Module] › Component Information › Locations › Typical Electronic Spark System (ESC)2
Engine Control Module › Component Information14 pages
- Idle Speed Control Motor <--> [Idle/Throttle Speed Control Unit] › Component Information › Specifications › Electrical Specifications2
Sensors and Switches - Computers and Control Systems21 pages
- Absolute Pressure Sensor <--> [Barometric Pressure Sensor] › Component Information › Specifications23
- Coolant Temperature Sensor/Switch (For Computer) › Component Information › Specifications23
- Engine Speed Signal <--> [Engine Speed Sensor] › Component Information › Description and Operation
- Manifold Air Temperature (MAT) Sensor <--> [Intake Air Temperature Sensor] › Component Information › Specifications
- Knock Sensor › Component Information › Locations › Electronic Spark Control Knock Sensor2
Manifold Pressure/Vacuum Sensor › Component Information3 pages
Oxygen Sensor › Component Information4 pages
Throttle Position Sensor › Component Information3 pages
- Vehicle Speed Sensor › Component Information › Technical Service Bulletins › Electrical - VSS Connector Mislabeled
Throttle Position Sensor › Component Information3 pages
- Vehicle Speed Sensor › Component Information › Technical Service Bulletins › Electrical - VSS Connector Mislabeled
- Vehicle Speed Sensor Signal Buffer › Component Information › Technical Service Bulletins › Electrical - Speed Sensor Buffer Connector Labeled Wrong
Emission Control Systems75 pages
Air Injection16 pages
- Air Diverter Solenoid › Component Information › Locations
- Electric Air Control Valve <--> [Air Diverter Valve] › Component Information › Locations › Air Diverter Valve2345
- Air Injection Hose/Tube › Component Information › Locations › Light Duty Emissions2
- Air Injection Pump › Component Information › Locations › Air Injection Pump234
- Pulsair Valve, Secondary Air Injection › Component Information › Service and Repair
- Pulsed Secondary Air Injection › Component Information › Description and Operation23
- Catalytic Converter › Component Information › Description and Operation2345
- Deceleration Valve › Component Information › Locations › California234
- Early Fuel Evaporation (EFE) › EFE Valve › Component Information › Locations
Evaporative Emissions System28 pages
- Bowl Vent Valve › Component Information › Testing and Inspection
- Canister Purge Control Valve › Component Information › Technical Service Bulletins › Fuel Evap Purge Solenoid Valve - Inoperative23
Canister Purge Solenoid › Component Information7 pages
- Thermal Vacuum Valve - EVAP › Component Information › Testing and Inspection › Canister Purge Thermal Vacuum Switch (CP-TVS)2
Exhaust Gas Recirculation10 pages
- Positive Crankcase Ventilation › Crankcase Vent › Component Information › Locations › California23
- Thermostatic Air Cleaner › Component Information › Locations23456
- Vacuum Restrictor › Component Information › Locations › Heavy Duty Emissions2
Fuel Delivery and Air Induction86 pages
Fuel Pressure › System Information6 pages
- Fuel Pressure Release › System Information › Service and Repair
Idle Speed › System Information8 pages
- Air/Fuel Mixture › System Information › Adjustments › Federal2345
Air Cleaner Housing › Air Filter Element › Component Information › Technical Service Bulletins4 pages
- Cold Start Injector › Component Information › Technical Service Bulletins › Fuel System - Cold Start Injector O-Ring Package
- Fuel › Component Information › Technical Service Bulletins › Fuel System - TOP TIER Detergent Gasoline (Canada)234567
- Fuel Filler Cap › Component Information › Description and Operation
- Fuel Filter › Fuel Pressure Release › System Information › Service and Repair
- Fuel Injector › Component Information › Technical Service Bulletins › Fuel System - Fuel Injector Maintenance Cleaning23
Fuel Pump › Fuel Pressure › System Information6 pages
- Fuel Return Line › Component Information › Technical Service Bulletins › Fuel - Feed/Return Pipe Repair
Fuel Supply Line › Component Information › Technical Service Bulletins17 pages
- Customer Interest: › 906C89 › Sep › 90 › Engine - No Start After Extended Storage23456
All Technical Service Bulletins:7 pages
- All Other Service Bulletins for Fuel Supply Line: › 033206 › Mar › 94 › P/S - Reduced Assist When Cold234
- All Other Service Bulletins for Fuel Supply Line: › 033206 › Mar › 94 › P/S - Reduced Assist When Cold
- Idle Speed/Throttle Actuator - Mechanical › Component Information › Locations
- Idle Up Control Valve › Idle Up Control Relay › Component Information › Locations
- Idle Speed Control Motor <--> [Idle/Throttle Speed Control Unit] › Component Information › Specifications › Electrical Specifications2
Relays and Modules - Fuel Delivery and Air Induction3 pages
Sensors and Switches - Fuel Delivery and Air Induction7 pages
- Auxiliary Fuel Tank Control <--> [Fuel Tank Selector Switch] › Component Information › Locations234
Throttle Position Sensor › Component Information3 pages
Throttle Position Sensor › Component Information3 pages
Ignition System39 pages
- Firing Order › Component Information › Specifications › Ignition Firing Order
Distributor, Ignition › Component Information6 pages
- Electronic Spark Timing <--> [Electronic Spark Control Module] › Component Information › Locations › Typical Electronic Spark System (ESC)2
Spark Plug Wire <--> [Ignition Cable] › Component Information › Technical Service Bulletins2 pages
- Ignition Coil › Component Information › Specifications234
- Ignition Control Module › Component Information › Testing and Inspection2
- Knock Sensor › Component Information › Locations › Electronic Spark Control Knock Sensor2
- Pick-Up Coil, Ignition › Component Information › Specifications234
- Pole Piece / Reluctor Wheel, Ignition › Component Information › Service and Repair
- Sensors and Switches - Ignition System › Knock Sensor › Component Information › Locations › Electronic Spark Control Knock Sensor2
Spark Plug › Component Information4 pages
- Thermal Vacuum Valve, Vacuum/Dist. Advance › Component Information › Locations
- Vacuum Restrictor › Component Information › Locations › Heavy Duty Emissions2
Transmission Control Systems7 pages
- Actuators and Solenoids - Transmission and Drivetrain › Actuators and Solenoids - A/T › Shift Solenoid, A/T › Component Information › Description and Operation › Upshift Solenoid2
- Lamps and Indicators - Transmission and Drivetrain › Lamps and Indicators - A/T › Maintenance Indicator - A/T › Component Information › Technical Service Bulletins › A/T Fluid Level Indicator - Revised (Sealed)
Sensors and Switches - Transmission and Drivetrain › Sensors and Switches - A/T › Fluid Pressure Sensor/Switch, A/T › Component Information › Technical Service Bulletins4 pages
PROM - Programmable Read Only Memory › Component Information42 pages