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Re: What is the name of the part is it a sensor or relay...
It's calld the power steering sensor, it transfers info back and forth to the ecm as fluid pressures increase and decrease, also works in relation to vehicle speeds and rpms.
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The system can be scanned for faults, in the is case you need that test performed. The pump only runs when the computer control unit commands it to run it is on demand, this information comes from sensors in the system..
if their metal, the could be coming from transmission fluid lines, are they going into radiator ? one @ top & one @ bottom of rad . their cooling lines from trans, supply / return . if rubber lines, they go to a transmission cooler , looks like a small radiator, rectangular , supply / return. power steering has no cooling . these lines don't come from engine, power steering has power steering fluid NOT TO BE MISTAKEN FOR TRANSMISSION FLUID, TOTALLY DIFFERANT !!!!!!
Disconnect battery ground cable. Remove engine Air Cleaner (ACL) . Disconnect electrical connector in back of engine cooling fan motor. Remove radiator fan shroud. Disconnect constant control relay module harness from headlamp harness and place constant control relay module on top of engine to provide accessibility to power steering lines. Remove wiring harness guide retaining screws and position guide aside. Remove screw at power steering hose bracket. Remove anti-rattle clip. Remove plastic strap retaining tubes to power rack and pinion steering gear. Remove power steering pressure hose at power steering pump. Remove power steering pressure hose at power rack and pinion steering gear.
Remove power steering pressure hose from vehicle. Reverse procedure to install new hose.
Fill and bleed power steering system.
ELECTRIC POWER STEERING IS CONTROL BY PSCM POWER STEERING CONTROL MODULE,TORQUE SENSORS AND VECHICLE SPEED SENSOR.TAKE VECHICLE TO DEALERSHIP, THEY HAVE TO HOOK VECHICLE TO DIAGNOSTIC EQUIPMENT TO CHECK ELECTRIC POWER STEERING MOTOR AND CONTROL SENSORS.
Inline on the power steering high pressure line/hose. Looking down at engine from front, next to the battery, and next to the power steering reservoir, there is a hose coming out the bottom of the reservoir, curves up, and the sensor with electrical connector is visible near the bend in the hose. It's on the metal part of the line. It's simply screwed/threaded on. Need two wrenches to remove (one to lock onto the line, another to unscrew the sensor).
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