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.
1997 Cadillac Eldorado BaseFACTORY OEM SERVICE PROCEDURE
Component Locations
COMPONENT LOCATIONS
| Component | Location | |
|---|---|---|
| Camshaft Position (CMP) Sensor | Right Rear Of Engine | |
| Cooling Fan Relays | Rearward Of Radiator, Center Bottom Between Cooling Fans | |
| Crankshaft Position (CKP) Sensors | Front Center Of Engine | |
| Cruise Control Module | Left Rear Of Engine Compartment, On Left Strut Tower | |
| Data Link Connector | Under Instrument Panel, On Hood Release Bracket | |
| EGR Valve | Top Left Rear Of Engine, Rear Of Throttle Body | |
| Engine Coolant Temperature (ECT) Sensor | Left Rear Corner Of Engine, Near Base Of Rear Engine Lift Hook | |
| Engine Oil Level Switch | Front Center Bottom Of Engine, In Oil Pan | |
| Engine Oil Pressure Switch | Front Center Of Engine, Near Top Of Oil Filter | |
| EVAP Canister Purge Solenoid | Left Rear Corner Of Engine, Near Cam Cover | |
| EVAP Canister Vacuum Switch | Left Rear Corner Of Engine, Near Cam Cover | |
| Fuel Injectors | In Intake Manifold | |
| Idle Air Control (IAC) Valve | Top Of Engine, On Front Of Throttle Body | |
| Ignition Control Module | Right Top Of Engine, Below Ignition Coils | |
| Intake Air Temperature (IAT) Sensor | Left Front Of Engine Compartment, Attached To Air Cleaner Assembly | |
| Knock Sensor | Center Of Engine, Under Intake Manifold, In Cylinder Valley | |
| Manifold Absolute Pressure (MAP) Sensor | Top Front Of Engine, Right Of Throttle Body | |
| Mass Airflow (MAF) Sensor | Top Of Engine, On Air Inlet Of Throttle Body | |
| Maxi-Fuse Block | Left Front Of Engine Compartment, Near Strut Tower | |
| Oxygen Sensors (O2S) | ||
| Front | Center Front Of Engine, In Exhaust Manifold | |
| Rear | Center Rear Of Engine, In Exhaust Manifold | |
| Pre-Converter | Forward Of Catalytic Converter | |
| Post-Converter | Rear Of Catalytic Converter | |
| Powertrain Control Module (PCM) | Lower Left Front Of Engine Compartment, Under Air Cleaner Assembly | |
| Power Steering Pressure Switch | Right Rear Of Engine | |
| Throttle Position (TP) Sensor | Top Of Engine, On Front Of Throttle Body | |
| Transaxle Range Switch | Left Of Transaxle, Near Base Of Rear Engine Lift Hook | |
| Underhood Fuse/Relay Center | In Engine Compartment, Forward Of Left Strut Tower | |
| Vehicle Speed Sensor | Right Side Of Transaxle, Near Right Engine Mount | |
Factory Service Tools
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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.
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