Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET1998SUBURBAN K2500, 7.4 J, PART TIMEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 347 (ENGINE CONTROLS - SYSTEM & COMPONENT TESTING - 3.8L)COMPONENT LOCATIONSREGALCOMPONENT LOCATIONS (REGAL)
1998 Chevrolet Suburban K2500, 7.4 J, Part Time
Component Locations (Regal)
1998 Chevrolet Suburban K2500, 7.4 J, Part TimeSECTION Component Locations (Regal)
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2003 Pontiac Grand Prix, 2003 Pontiac Bonneville, 2003 Chevrolet Monte Carlo, 2003 Chevrolet Impala, and 2003 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
COMPONENT LOCATIONS (REGAL)
| Component | Location |
|---|---|
| A/C Refrigerant Pressure Sensor | Left Side Of Engine Compartment, On Liquid Line, Forward Of Strut Tower |
| Body Control Module | Below Left Side Of Instrument Panel, Left Of Steering Column |
| Camshaft Position Sensor | Right Side Of Engine, Above Crankshaft Pulley |
| Crankshaft Position Sensor | Right Front Of Engine, Behind Harmonic Balancer |
| Cruise Control Module | Left Side Of Engine Compartment, Mounted On Strut Tower |
| Cruise Control Release Switch | Below Left Side Of Instrument Panel, In Right Side Of Brake Pedal Bracket |
| Data Link Connector | Under Left Side Of Instrument Panel, Right Of Steering Column |
| EGR Valve | Left Rear Top Of Engine |
| Electronic Brake Control Module | Left Rear Of Engine Compartment, On Left Strut Tower |
| Engine Coolant Temperature Sensor | Left Side Of Engine, Below Thermostat Outlet |
| Engine Oil Level Switch | Front Of Engine, In Center Of Oil Pan |
| Engine Oil Pressure Switch | Lower Right Rear Of Engine, Above Transaxle |
| EVAP Canister Purge Solenoid | Top Of Engine, Near Center Of Valve Cover |
| EVAP Canister Vent Solenoid | Behind Left Side Of Rear Fascia Splash Shield In Wheelwell |
| Fuel Injectors | In Intake Manifold |
| Fuel Pump and Sender Assembly | Top Of Fuel Tank |
| Heated Oxygen Sensor 1 | In Bank 2 Exhaust Manifold, Behind Center Of Engine |
| Heated Oxygen Sensor 2 | In Exhaust System, Behind Catalytic Converter |
| Idle Air Control Valve | Top Of Engine, Top Front Of Throttle Body |
| Ignition Control Module | Top Right Front Of Engine |
| Intake Air Temperature Sensor | Left Front Of Engine Compartment, In Air Intake Duct |
| Knock Sensor 1 | On Front Of Engine, Above Starter |
| Knock Sensor 2 | Lower Rear Of Engine, Below Exhaust Manifold |
| Manifold Absolute Pressure Sensor | Top Of Engine, Right of Upper Intake Plenum |
| Mass Airflow Sensor | Left Front Of Engine, Part Of Throttle Body Assembly |
| Powertrain Control Module | Front Left Side Of Engine, Inside Air Cleaner Assembly |
| Supercharger Boost Control Solenoid | Top Left Of Engine, Above Valve Cover |
| Supercharger Bypass Valve Actuator | On Front Top Of Engine, Left Of TP Sensor |
| Throttle Position Sensor | Top Of Engine, On Throttle Body |
| Transaxle Range Switch | Left Of Engine, On Transaxle |
| Underhood Fuse Block | Right Side Of Engine Compartment, Mounted To Strut Tower |
| Vehicle Speed Sensor | Behind Engine, On Top Right End Of Automatic Transaxle |
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.