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Old 09-28-2015, 05:25 PM
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Power steering out at park/stop

I thought my power steering pump went out today in a parking lot. It is almost impossible to turn when it a stop but once I got going down the road over 10mph it seems fine. Still the pump? I thought it should be hard no matter the speed.


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Old 09-28-2015, 05:44 PM
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Re: Power steering out at park/stop

Having driven vehicles that have no power steering at all I can attest to the fact that once you are moving they are not difficult to steer. It is only at a stop that you have to use your muscles. If you have no power steering at idle you should get it into a shop.
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Old 09-28-2015, 05:44 PM
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Re: Power steering out at park/stop

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Originally Posted by jdmm08 View Post
I thought my power steering pump went out today in a parking lot. It is almost impossible to turn when it a stop but once I got going down the road over 10mph it seems fine. Still the pump? I thought it should be hard no matter the speed.


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Vehicle year, make, model?
Standard tires, or really wide aftermarket ones?
Assuming you have traditional power steering rather than electric, how is the fluid level?
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Old 09-28-2015, 06:38 PM
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Re: Power steering out at park/stop

05 grand Cherokee 5.7. Tires are standard it's been fine the 1+ year I've had it


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Old 09-28-2015, 06:38 PM
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Re: Power steering out at park/stop

So trek your saying it likely is the pump?


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Old 09-29-2015, 11:06 AM
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Re: Power steering out at park/stop

Did you hear any whining or other weird noises when turning the wheel?

Almost all of the time, a ps pump will let you know it is near failure by making a horrible screaming/screaching noise when you turn the wheel. I'd be surprised that the pump gave out without this happening.

As mentioned above, the first thing to check is fluid level, quality, and type. The 5.7 requires hydraulic fluid, not transmission fluid like most other motors.

If you have fluid in there, I would check the condition of the belt and make sure it isn't slipping on the pulley (again, this would likely make a lot of noise).

If you still can't find the culprit, it may be something with the steering rack itself, though this would be less likely.
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Old 09-29-2015, 03:36 PM
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Re: Power steering out at park/stop

There wasn't a whole lot of whining until after yesterday's event but this thing has had a lot of front end problems since I bought it. Been saving up and looking for a deal to replace the SCM (clockspring) but as for the fluid it was the correct one.

I haven't had a chance to look into it. Might have been a return line blowing if not the pump itself.


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