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post #1 of (permalink) Old 12-07-2002, 12:54 AM
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Auto Trans Fluid or PS Fluid?

Anyone seen red PS fluid? I had a new PS box installed on my jeep and the fluid is red like auto trans fluid. The jeep steers fine when its cold, but as it warms up, I loose power assist at idle.

I thought maybe the wrong fluid was in the system.

Any idea?

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post #2 of (permalink) Old 12-07-2002, 06:00 AM
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Re: Auto Trans Fluid or PS Fluid?

Either should work fine.
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post #3 of (permalink) Old 12-07-2002, 07:57 AM
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Re: Auto Trans Fluid or PS Fluid?

1. I've seen red PS fluid...
2. You say that at ilde the PS drops out?
3. Are the pullies:
a. The correct size on the pump?
b. Clean.
c. Adjusted correctly?
4. Wow, at idle it's imparitive to have PS boost for steering.
5. I'm assuming you did not do the install. Did you talk to the installer?
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post #4 of (permalink) Old 12-07-2002, 08:37 AM
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Re: Auto Trans Fluid or PS Fluid?

A Clymer shop manual I have here calls for Dextron/Dextron-2 for an 81 power steering pump. It only shows up to 1981. I've been useing clear "power steering fluid" with good results. But I bet Dextron III would be fine too.
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post #5 of (permalink) Old 12-07-2002, 12:23 PM
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Re: Auto Trans Fluid or PS Fluid?

Dextron II or III is all I have ever used in any of my vehicles. I've never had a problem at all. I'll add that we are talking jeeps here. I'm sure there are some "special" cars that may not like anything but a certain type of fluid.
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post #6 of (permalink) Old 12-07-2002, 08:56 PM
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Re: Auto Trans Fluid or PS Fluid?

The thing to watch however is the warrenties. My local Car Quest won't warrenty a ps pump that has trany fluid in it. May be a way for them to sell more ps fluid, but none the less, something to consider. [img]images/graemlins/smile.gif[/img]
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post #7 of (permalink) Old 12-08-2002, 08:56 AM
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Re: Auto Trans Fluid or PS Fluid?

i run auto tranny fluid in my steerig system. i use the stock pump on my 99 vortec motor and i run full hyraulic steering. the pump also supplies the pressure for my hydro-boost brakes.
post #8 of (permalink) Old 12-08-2002, 09:02 AM
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Re: Auto Trans Fluid or PS Fluid?

For many years I ran ATF as ps fluid until a couple years ago I talked to a shop that specializes in rebuilding ps boxes. According to them it was OK years ago, but modern ATF has additives that many newer ps boxes may not like, and also many newer ps boxes require additives that modern ps fluid has and ATF doesn't. As cheap as ps fluid is I personally wouldn't take the chance.
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