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Power Steering takes a dump

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Old Apr 22, 2014 | 06:22 PM
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Power Steering takes a dump

Hello!
I am not very knowing of the power steering system works. I also couldnt find any other threads about my problem.

Today I jacked the front of my 78 up to check out the steering and I turned the wheels from lock to lock with the engine off and when I got the wheels all the way left then I hear the sound of ps fluid hitting the driveway. crap, is there a reason this happened? I checked the ps dipstick and it was very low. After I got it cleaned up I was thinking that maybe since the truck was off the pump wasnt allowing the fluid to pass through and the pressure got too high and came through around the dipstick. Am I correct to think that could be why it took a dump?
Also which would be better to fill the power steering system ATF or regular Power Steering fluid?
Thanks for reading.
 
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Old Apr 22, 2014 | 06:59 PM
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Use ATF, I'm assuming that you're talking about fluid overflowing the reservoir, it was because the engine wasn't running.
 
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Old Apr 22, 2014 | 08:06 PM
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Here you go....

https://www.ford-trucks.com/forums/1...ering+bleeding
 
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Old Apr 22, 2014 | 08:17 PM
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One thing I will add. Is to be sure to use only type F atf. All other types and power steering fliud will cause premature failure of the power steering pump. So type F only. Even multi use ATF will burn out the steering pump as well.
 
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Old Apr 22, 2014 | 08:27 PM
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Good to know the pump didn't give out or something. I was worried there for a second that I would be spending some more money on things for the truck!
Thanks for the advice!
 
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Old Apr 23, 2014 | 03:01 AM
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paredneck33 I am not sure what pumps you are using but I have ran both the steel and plastic p.s. pumps for over 30 years in 76 to 79 pickups and cars and have never had a failure with any oil I have used [p.s. oil,dextron,etc]
 
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Old Apr 23, 2014 | 10:22 AM
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Originally Posted by miottimouse
paredneck33 I am not sure what pumps you are using but I have ran both the steel and plastic p.s. pumps for over 30 years in 76 to 79 pickups and cars and have never had a failure with any oil I have used [p.s. oil,dextron,etc]
1978: FoMoCo changed the P/S pump on everything except Econolines and 1978/79 Passenger Cars with Hydro-Boost that used the Saginaw pump.

This pump has a plastic reservoir. The P/S pressure hose connects with a qwik connect fitting.

Steel reservoir pumps used 1965/77: The P/S pressure hose threads onto the pump.

Ford listed C1AZ-19582-A .. P/S Fluid for both these pumps, which is actually Type F ATF.
 
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