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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET1998SUBURBAN K2500, 7.4 J, PART TIMEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 347 (ENGINE CONTROLS - SYSTEM & COMPONENT TESTING - 3.8L)COMPONENT LOCATIONSLESABRECOMPONENT LOCATIONS (LESABRE)
1998 Chevrolet Suburban K2500, 7.4 J, Part Time
Component Locations (LESABRE)
1998 Chevrolet Suburban K2500, 7.4 J, Part TimeSECTION Component Locations (LESABRE)
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 (LESABRE)
| Component | Location |
|---|---|
| A/C Compressor Clutch Relay | On Front Right Side Of Engine Compartment, In Underhood Junction Block |
| A/C Refrigerant Pressure Sensor | Front Side Of Engine, On A/C Line Behind A/C Compressor |
| Camshaft Position Sensor | Right Side Of Engine, Below Water Pump |
| Crankshaft Position Sensor | Lower Right Side Of Engine, Behind Crankshaft Pulley |
| Cruise Control Module | Left Side Of Engine Compartment, On Left Strut Tower |
| Dash Integration Module | Behind Instrument Panel, Under Right Dash Sound Insulator |
| Data Link Connector | Under Left Side Of Instrument Panel |
| EGR Valve | On Top Of Engine, Rear Of Intake Manifold |
| Electronic Brake Control Module | Front Left Lower Corner Of Engine Compartment, Under Air Cleaner Housing |
| Engine Coolant Temperature Sensor | Left Front Of Engine, Under Thermostat Housing |
| Engine Cooling Fan Relays (High & Low) | In Underhood Junction Block |
| Engine Oil Level Switch | Front Of Engine, In Oil Pan |
| Engine Oil Pressure Sensor | Right Side Of Engine, Under Power Steering Pump |
| EVAP Canister Purge Solenoid | On Top Of Engine Front Of Intake Manifold |
| EVAP Canister Vent Solenoid | On Top Of Vapor Canister |
| Fuel Injectors | In Intake Manifold |
| Fuel Tank Pressure Sensor | On Top Of Fuel Sender Assembly |
| Fuel Pump Relay | Under Left Side Of Rear Passenger Compartment Seat, In Fuse Block |
| Heated Oxygen Sensor Bank 1 Sensor 1 | Front Of Engine Compartment, On Front Exhaust Manifold |
| Heated Oxygen Sensor Bank 1 Sensor 2 | Rear Of Engine Compartment, On Rear Exhaust Manifold |
| Idle Air Control Valve | Top Left Side Of Engine On The Top Of Throttle Body, Near Rear Of Throttle Body |
| Ignition Control Module | Top Left Front Of Engine |
| Intake Air Temperature Sensor | On Top Of Air Intake Hose Between Throttle Body & Air Cleaner Housing |
| Instrument Panel Integration Module | Rear Side Of Instrument Panel Dash, Left Of Steering Column |
| Knock Sensor (Bank 1) | Front Of Engine, Above Starter |
| Knock Sensor (Bank 2) | Rear Of Engine |
| Manifold Absolute Pressure Sensor | Top Of Engine, Rear Of Intake Manifold |
| Mass Airflow Sensor | Top Right Side Of Engine, On Front Of Throttle Body |
| Power Steering Pressure Sensor | On Power Steering Rack & Pinion Unit Near Input Shaft |
| Powertrain Control Module | Left Front Of Engine Compartment, In Air Cleaner Housing |
| Rear Fuse Block | Under Left Side Of Rear Passenger Compartment Seat |
| Rear Integration Module | Behind Rear Seat Back Cushion (Upper, Left) |
| Throttle Position Sensor | Center Left Of Engine, On Throttle Body |
| Transaxle Range Switch | Left Side Of Transaxle, Below EGR Valve |
| Underhood Fuse Block | Front Right Side Of Engine Compartment |
| Vehicle Speed Sensor | Top Right Side Of Transaxle Output Housing |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.