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 MANUALSFORD1997CROWN VICTORIA BASE, 4.6 WREPAIR AND DIAGNOSIS (SINGLE PAGE)SUSPENSIONREAR ELECTRONIC SUSPENSION SYSTEMTESTING & DIAGNOSISTESTING PRECAUTIONS
1997 Ford Crown Victoria Base, 4.6 W
Testing Precautions
1997 Ford Crown Victoria Base, 4.6 WSECTION Testing Precautions
CAUTION:
When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See COMPUTER RELEARN PROCEDURES
article in GENERAL INFORMATION before disconnecting battery. Electrical power supply to air suspension system must be turned off prior to hoisting, jacking or towing vehicle. This can be done by disconnecting battery or turning OFF air suspension switch, located in right side of trunk. See Fig 1.
- Compressor relay, compressor vent solenoid and all air spring solenoids have internal diodes for noise suppression. DO NOT switch battery and ground feeds when testing components.
- When charging battery, ignition switch MUST be in the OFF position if air suspension switch in trunk is on. See Fig 1. If ignition switch is in ON position, air compressor relay or motor may be damaged.
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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.