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Old 02-22-2006, 10:39 PM
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Trouble with Mustang power rack

I have a 1985 Mustang power rack with a Chevette pump on my 36 Ford, early 302 V8.
It is alot harder to turn to the right thn it is to the right.
Can anyone tell me what might be wrong?

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Old 02-22-2006, 11:00 PM
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Blyde,

I think you mean to say "it is harder to turn it to the left than it is to the right", but here is the problem. The rack is leaking oil pressure past a seal and causing a "deadhead". so you end up DOING the work of turning the front tires instead of the pump. You can rebuild these but I have found it is alot quicker to just go and buy a rebuilt one and turn yours in for it's core value. The rebuilders can buy the seals and boots that we have to hunt for and then when we do get the parts we hope and pray they are the correct ones.

Good Luck
Scholman
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Old 02-22-2006, 11:44 PM
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Thanks for the reply
No, I ment it is harder to turn right than left.
The rack is new. the pump is used
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Old 02-23-2006, 07:08 AM
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Blyde;
There can be a few things not working right. 1. Alignment 2. Pump pressure due to low fluid level 3. Internal leak inside rack.

First make sure your alignment is correct and there is no binding when turning the wheels either way on a rack (this should be accomplished with the engine running to supply fluid to the r&p). Make sure the pump reservoir is at the proper level of fluid. Once this is ok, replace the r&p with a rebuilt from an auto parts store. One of these should take care of the problem.
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Old 02-23-2006, 02:01 PM
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Did you 'bleed' the rack and pinion correctly when you installed it? Don't forget to take the 'screen sack' filter out of the fitting before you bleed it. When bleeding, remove the low pressure return, turn the steering back and forth lock to lock until no air bubbles come out of the return hose, then do it another TEN times. Reconnect the pump, fill up the reservoir and run the engine while turning lock to lock. Still hard, do it again, this time remove the rack. Tilt up the rack, leave in that position for an hour or so, keep fluid in lines and turn pinion shaft back and forth while checking for air bubbles.
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Old 02-23-2006, 08:57 PM
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problems with Mustang rack

Thanks for the reply.
Another rodder found the Classic Performance website and it may have the answers to my problems.
Thanks for all the help.
Bill
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