C 2500 Truck 2WD V6-262 4.3L (1985): Powertrain Management
Also for this vehicle: C 2500 Truck 2WD L6-292 4.8L (1986), C 2500 Truck 2WD V8-305 5.0L (1986), C 2500 Truck 2WD V8-305 5.0L VIN H TBI (1995), C 2500 Truck 2WD V8-305 5.0L VIN M SFI (1996), C 2500 Truck 2WD V8-350 5.7L (1988), C 2500 Truck 2WD V8-350 5.7L VIN L 4-bbl (1985), C 2500 Truck 2WD V8-350 5.7L VIN M 4-bbl (1986), C 2500 Truck 2WD V8-379 6.2L DSL VIN C FI (1985), C 2500 Truck 2WD V8-379 6.2L DSL VIN J FI (1986), C 2500 Truck 2WD V8-393 6.5L DSL (1994), C 2500 Truck 2WD V8-393 6.5L DSL Turbo (1992), C 2500 Truck 2WD V8-393 6.5L DSL Turbo VIN S (1995), C 2500 Truck 2WD V8-454 7.4L (1985), C 2500 Truck 2WD V8-454 7.4L VIN J SFI (1996), C 2500 Truck 2WD V8-454 7.4L VIN N TBI (1995), C 2500 Truck 2WD V8-5.7L VIN R (1997), C 2500 Truck 2WD V8-6.0L VIN U (2002), C 2500 Truck 2WD V8-6.5L DSL Turbo VIN F (1994), C 2500 Truck 2WD V8-6.5L DSL Turbo VIN S (1997), C 2500 Truck 2WD V8-6.6L DSL Turbo VIN 1 (2001), C 2500 Truck 2WD V8-8.1L VIN G (2002).
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 Systems19 pages
- Electronic Spark Timing <--> [Electronic Spark Control Module] › Component Information › Locations › Typical Electronic Spark System (ESC)2
Engine Control Module › Component Information15 pages
- Idle Speed Control Motor <--> [Idle/Throttle Speed Control Unit] › Component Information › Specifications › Electrical Specifications2
- Relays and Modules - Fuel Delivery and Air Induction › Idle Speed Control Motor <--> [Idle/Throttle Speed Control Unit] › Component Information › Specifications › Electrical Specifications2
Sensors and Switches - Powertrain Management38 pages
Sensors and Switches - Computers and Control Systems27 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 Sensor23456
Manifold Pressure/Vacuum Sensor › Component Information3 pages
Oxygen Sensor › Component Information4 pages
Throttle Position Sensor › Component Information3 pages
- Transmission Position Switch/Sensor, A/T › Component Information › Description and Operation
- Vehicle Speed Sensor › Component Information › Testing and Inspection2
Sensors and Switches - Fuel Delivery and Air Induction5 pages
- Sensors and Switches - Ignition System › Knock Sensor › Component Information › Locations › Electronic Spark Control Knock Sensor23456
Tune-up and Engine Performance Checks30 pages
Fuel Pressure › System Information6 pages
Idle Speed › System Information3 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 Information › Specifications › Torque2
- Compression Check › System Information › Specifications
- Valve Clearance › System Information › Specifications2
Computers and Control Systems112 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 Emissions2
- Electronic Spark Timing <--> [Electronic Spark Control Module] › Component Information › Locations › Typical Electronic Spark System (ESC)2
Engine Control Module › Component Information15 pages
- Engine Speed Signal <--> [Engine Speed Sensor] › Component Information › Description and Operation
Throttle Opener/Kicker Control <--> [Idle Speed/Throttle Actuator - Mechanical] › Component Information10 pages
- Idle Speed Control Motor <--> [Idle/Throttle Speed Control Unit] › Component Information › Specifications › Electrical Specifications2
- Knock Sensor › Component Information › Locations › Electronic Spark Control Knock Sensor23456
- 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 Systems19 pages
- Electronic Spark Timing <--> [Electronic Spark Control Module] › Component Information › Locations › Typical Electronic Spark System (ESC)2
Engine Control Module › Component Information15 pages
- Idle Speed Control Motor <--> [Idle/Throttle Speed Control Unit] › Component Information › Specifications › Electrical Specifications2
Sensors and Switches - Computers and Control Systems27 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 Sensor23456
Manifold Pressure/Vacuum Sensor › Component Information3 pages
Oxygen Sensor › Component Information4 pages
Throttle Position Sensor › Component Information3 pages
- Transmission Position Switch/Sensor, A/T › Component Information › Description and Operation
- Vehicle Speed Sensor › Component Information › Testing and Inspection2
Throttle Position Sensor › Component Information3 pages
- Transmission Position Switch/Sensor, A/T › Component Information › Description and Operation
- Vehicle Speed Sensor › Component Information › Testing and Inspection2
- Vehicle Speed Sensor Signal Buffer › Component Information › Technical Service Bulletins › Electrical - Speed Sensor Buffer Connector Labeled Wrong
Emission Control Systems62 pages
Air Injection13 pages
- Air Diverter Solenoid › Component Information › Locations
- Electric Air Control Valve <--> [Air Diverter Valve] › Component Information › Locations › Air Divert Valve234
- Air Injection Hose/Tube › Component Information › Locations
- Air Injection Pump › Component Information › Locations › Air Injection Pump23
- 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 › California2
- Early Fuel Evaporation (EFE) › EFE Valve › Component Information › Locations › California2
Evaporative Emissions System22 pages
- Bowl Vent Valve › Component Information › Testing and Inspection
- Canister Purge Control Valve › Component Information › Description and Operation2
Canister Purge Solenoid › Component Information5 pages
- Thermal Vacuum Valve - EVAP › Component Information › Testing and Inspection › Canister Purge Thermal Vacuum Switch (CP-TVS)2
Exhaust Gas Recirculation9 pages
- Positive Crankcase Ventilation › Crankcase Vent › Component Information › Locations › California2
- Thermostatic Air Cleaner › Component Information › Locations23456
- Vacuum Restrictor › Component Information › Locations
Fuel Delivery and Air Induction82 pages
Fuel Pressure › System Information6 pages
- Fuel Pressure Release › System Information › Service and Repair
Idle Speed › System Information3 pages
Air Cleaner Housing › Air Filter Element › Component Information › Technical Service Bulletins5 pages
- Customer Interest: › 04-07-30-013B › Feb › 07 › Engine, A/T - Shift/Driveability Concerns/MIL ON2
- All Technical Service Bulletins: › 04-07-30-013B › Feb › 07 › Engine, A/T - Shift/Driveability Concerns/MIL ON2
- All Other Service Bulletins for Air Filter Element: › 917A125 › Jul › 91 › A/T - 4L60 Stuck In First Gear
- All Other Service Bulletins for Air Filter Element: › 917A125 › Jul › 91 › A/T - 4L60 Stuck In First Gear
- 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 Reservoir › Component Information › Technical Service Bulletins2 pages
- Fuel Return Line › Component Information › Technical Service Bulletins › Fuel - Feed/Return Pipe Repair
Fuel Supply Line › Component Information › Technical Service Bulletins15 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: › 86B46 › Mar › 86 › A/T Oil Pan Gasket - Eliminates Fluid Leaks2
- All Other Service Bulletins for Fuel Supply Line: › 86B46 › Mar › 86 › A/T Oil Pan Gasket - Eliminates Fluid Leaks
Throttle Opener/Kicker Control <--> [Idle Speed/Throttle Actuator - Mechanical] › Component Information10 pages
- Idle Speed Control Motor <--> [Idle/Throttle Speed Control Unit] › Component Information › Specifications › Electrical Specifications2
- Oil Pressure Switch (For Fuel Pump) › Component Information › Locations
- Relays and Modules - Fuel Delivery and Air Induction › Idle Speed Control Motor <--> [Idle/Throttle Speed Control Unit] › Component Information › Specifications › Electrical Specifications2
Sensors and Switches - Fuel Delivery and Air Induction5 pages
Throttle Position Sensor › Component Information3 pages
Ignition System42 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 Information5 pages
- Ignition Control Module › Component Information › Testing and Inspection2
- Knock Sensor › Component Information › Locations › Electronic Spark Control Knock Sensor23456
- Pick-Up Coil, Ignition › Component Information › Testing and Inspection2
- Pole Piece / Reluctor Wheel, Ignition › Component Information › Service and Repair
- Sensors and Switches - Ignition System › Knock Sensor › Component Information › Locations › Electronic Spark Control Knock Sensor23456
- Spark Plug › Component Information › Specifications › Torque2
- Vacuum Restrictor › Component Information › Locations
Transmission Control Systems16 pages
Actuators and Solenoids - Transmission and Drivetrain › Actuators and Solenoids - A/T3 pages
- 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/T12 pages
Fluid Pressure Sensor/Switch, A/T › Component Information › Technical Service Bulletins11 pages
- Customer Interest: › 937A18 › Oct › 92 › A/T - Buzzing Noise at Idle2
- All Technical Service Bulletins: › 937A18 › Oct › 92 › A/T - Buzzing Noise at Idle2
All Other Service Bulletins for Fluid Pressure Sensor/Switch:7 pages
All Other Service Bulletins for Fluid Pressure Sensor/Switch:0 pages
- 895137 › Dec › 90 › Brakes - Height Sensing Proportioning Valve Adjustment
- 86B93 › Jun › 86 › Height Sensing Brake Proportioning Valve - Adjustment
- 8585 › May › 85 › Suspension - Modification To Rear & Affects On Braking
- Transmission Position Switch/Sensor, A/T › Component Information › Description and Operation
PROM - Programmable Read Only Memory › Component Information42 pages