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)STEERINGELECTRONIC STEERING SYSTEMTESTINGHYDRAULIC SYSTEM PRESSURE & FLOW TESTMINIMUM FLOW TEST
1997 Ford Crown Victoria Base, 4.6 W
Minimum Flow Test
1997 Ford Crown Victoria Base, 4.6 WSECTION Minimum Flow Test
- Connect Power Steering System Analyzer (014-00207) between pressure line and pump, with gauge between pump and tester valve. Add power steering fluid if needed. Start engine and allow to idle for approximately 2 minutes with idle set to specification. Record flow, gallons/minute (liters/minute).
- If flow is less than 1.4 gallons/minute (5.3 liters/minute), power steering pump may require service, but continue diagnosis. If pressure is greater than 150 psi (10.5 kg/cm2 ) at idle, check hoses for restrictions.
- Partially close gate valve on tester to build up pressure to 740 psi (52.0 kg/cm2 ). Observe and record flow. If flow is less than 1.4 gallons/minute (5.3 liters/minute), service or replace power steering pump. See POWER STEERING PUMP FLOW TEST SPECIFICATIONS TABLE . Proceed to RELIEF PRESSURE TEST.
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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.