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Home >> GMC >> 1998 >> C3500 HD 6.5 F, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 54 (Engine Controls - System & Component Testing 4.3L) >> Component Locations

Component Locations

WARNING: This page is about a different car, the 1998 GMC Pickup and 1998 Chevrolet Pickup. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Component location illustrations are not available at time of publication.
COMPONENT LOCATIONS (VIN W)

Component Location
A/C Compressor Clutch Cycling Switch On Top Of A/C Accumulator, At Right Rear Of Engine Compartment
A/C Low Pressure Cut-Out Switch On Top Of A/C Compressor, In High Pressure Line
A/C High Pressure Cut-Out Switch On Rear Of A/C Compressor
Camshaft Position (CMP) Sensor In Distributor
Crankshaft Position (CKP) Sensor Lower Right Front Of Engine Block , Near Crankshaft
Cruise Control Module Left Rear Side Of Engine Compartment, On Bulkhead
Data Link Connector Under Left Side Of Instrument Panel, On Knee Bolster
Distributor Top Of Engine, Near Bulkhead
EGR Valve Left Center Of Engine, Above Valve Cover
Engine Coolant Temperature (ECT) Sensor Right Front Of Engine, Near Thermostat Housing
EVAP Canister Purge Solenoid On Engine, To Right Of Throttle Body
EVAP Canister Vent Near Master Cylinder, At Left Front Wheelwell
EVAP Purge Solenoid Vacuum Switch Top Right Rear Of Engine, Right Of Purge Solenoid
Fuel Injectors On Intake Manifold
Fuel Pump Oil Pressure Switch Rear Center Of Engine, Behind Distributor
Fuel Pump Prime Connector At Instrument Panel Harness, Near Instrument Panel Fuse Box
Fuel Pump Relay In Power Distribution Box Center
Fuel Tank Pressure Sensor In Fuel Tank
Heater & A/C Control Module Center Of Instrument Panel, At Heater Control
Idle Air Control (IAC) Valve Attached To Right Rear Of Throttle Body
Ignition Coil Right Rear Side Of Engine
Ignition Control Module Right Rear Side Of Engine, Near MAP Sensor
Intake Air Temperature (IAT) Sensor On Air Intake Duct
Knock Sensor On Left Rear Of Engine, Behind Engine Mount
Manifold Absolute Pressure (MAP) Sensor Top Center Of Intake Manifold, Near Fuel Injectors
Mass Airflow (MAF) Sensor On Air Intake Duct, Near Air Filter
Oxygen Sensors In Exhaust In Front & Rear Of Catalytic Converter
Power Distribution Box Left Rear Of Engine Compartment, On Wheelwell
Power Steering Control Module Under Center Of Instrument Panel
Throttle Position (TP) Sensor On Side Of Throttle Body
Transfer Case Relay Right Rear Of Engine Compartment, Near Center Of Cowl
Vehicle Control Module (VCM) In Engine Compartment, Near Master Cylinder, At Left Front Wheelwell
Vehicle Speed Sensor Left Rear Side Of Transmission, (Left Side Of Transfer Case On Vehicles With 4WD)