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| Flair Birds [1964-1966] You have a Fourth Generation Bird or just have some questions about them? Then this forum is for you, check it out. |
This is a discussion on PS Gets Harder as Car Gets Hotter within the Flair Birds [1964-1966] forums, part of the Thunderbird Model Years category; Hi, After replacing the ps pump and and steering gear box, I noticed that the steering is easy when the ...
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08-30-2012, 07:54 PM
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PS Gets Harder as Car Gets Hotter
Hi,
After replacing the ps pump and and steering gear box, I noticed that the steering is easy when the car (and pump) is cold but gets increasingly more difficult as I drive. It's almost as if I have very little PS pressure when the pump is hot. It's almost impossible to parallel park - it's that stiff. Also, when this happens, the pump gets too hot to touch. How hot should it get? I'm using PS fluid in the system. Would it make a difference if I switched to ATF? If so, which brand of ATF should I use? Suggestions? Ken in MN 
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09-04-2012, 02:41 PM
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BillinAL,
I syphoned out the old PS fluid (three times) and replaced it with Type FA AT fluid. I hasn't made an appreciable difference in the steering. In as little as 15 min of city driving, I can tell that the effort to move the wheel is getting harder. The pump still gets very hot (too hot?) - way too hot to touch. I need to use a rag to remove the cap when checking the fluid level. Any other ideas? Does anyone have any input about how hot their pump gets when driving? Ken in MN
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09-04-2012, 08:17 PM
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You may need new hoses. Could be a flow restriction somewhere. It might very well get more restricted as you use it.
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