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 MANUALSEAGLE1990TALON BASE, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)STEERINGPOWER STEERINGSTEERING SYSTEM - POWERTESTINGPRESSURE TESTINGRELIEF PRESSURE TEST (ALL OTHERS)
1990 Eagle Talon Base, Automatic
Relief Pressure Test (All Others)
1990 Eagle Talon Base, AutomaticSECTION Relief Pressure Test (All Others)
- Close shut-off valve completely 3 times. Record highest pressure attained each time.CAUTION: DO NOT leave shut-off valve closed more 5 seconds as this could damage the pump.
- If recorded pressures are within specifications and range of readings are within 50 psi (345 kPa), pump is working properly. See the POWER STEERING PUMP PRESSURE TEST SPECIFICATIONS table. If recorded pressures are high but do not repeat within the 50 psi (345 kPa) range, flow control valve in pump is sticking. For power steering pump applications, see POWER STEERING PUMP APPLICATION table.
- On ZF pump, replace pump. On Saginaw pump, remove and inspect flow control valve. For removal and disassembly, Refer to the POWER STEERING PUMP - SAGINAW & ZF
article. On Saginaw pump, if recorded pressures are constant but less than specified, clean or replace pressure relief and flow control valve assembly. For removal and disassembly, see POWER STEERING PUMP - SAGINAW & ZF
article.POWER STEERING PUMP APPLICATION
Models Pump Type Acclaim, Daytona, Horizon, LeBaron, Omni & Spirit Saginaw Dynasty & New Yorker 2.5 & 3.0L Saginaw 3.3L ZF Fifth Avenue & Imperial (3.3L) ZF Shadow & Sundance ZF CAUTION: To prevent scrubbing flat spots on tires, DO NOT turn steering wheel more than 5 times without rolling vehicle. - If pressures are still low, overhaul or replace pump. On ZF pump, replace pump. If pump pressures are within specifications, leave shut-off valve open and turn steering wheel from stop-to-stop, with engine idling. Record highest pressure attained at each wheel stop and compare readings with maximum pump pressure previously recorded.
- If this pressure cannot build up in either side of gear, gear is leaking internally and must be disassembled and repaired. For removal and disassembly, see POWER STEERING PUMP - SAGINAW & ZF article.
POWER STEERING PUMP PRESSURE TEST SPECIFICATIONS
| Application | Pressure: psi (kg/cm2 ) | |||
|---|---|---|---|---|
| Idle Pressure | ||||
| Laser & Talon | 114-142 (8-10) | |||
| Monaco & Premier | 145 (10) | |||
| All Others | 30-50 (2-3) | |||
| Relief Pressure | ||||
| Laser & Talon | 1067-1166 (75-82) | |||
| Monaco & Premier | 1150-1170 (81-82) | |||
| All Others | (1) | |||
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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.