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Generally it would be cheaper to replace the unit with a used one from a salvage yard. If the Power Steering fluid has metal particles in it the pump has failed. At this point the entire system including pump, hoses and rack should be swapped out. The reason is that you can NEVER get all the abrasives out of the Plumbing and if you replace just the spool valve contamination in the fluid will quickly destroy your repair work.

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โˆ™ 2007-12-10 00:59:34
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Q: If a spool valve is bad on a steering rack can that be repaired or does the whole steering rack have to be changed?
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If a rack could be air in system Could be steering rack going bad losing pressure What type of unit is this? I have a masey tractor that gets out of adjustment and will turn beter one way. but if it is a car i would look for an obstruction,or linkage that is bound. == What vehicle is this in? On some older British and American cars, they had adjustable spool valves which had to be centralized or this problem would arise. If it is a newer vehicle, it sounds as though you still have a problem with the spool valve in the steering rack. Could be a broken teflon ring, blocked ports in the valve (they are tiny).

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