P/S still whines after replacement

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08-02-2011, 05:58 PM

96HO

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Year: 1996

Model: Cherokee

Engine: 4.0 H.O

P/S still whines after replacement

so i am in the final stages of replacing water pump, t-stat and P/S pump and have the cooling system finished. now i am trying to finish the power steering and once i start up it immediately begins a whine. not sure where to go from here as i have not personally done a Pump before and im just not sure if its air in the system or what is going on. any insight would be helpful as i want to try and get this done tonight. thanks guys!!

(96 4.0 HO 4wd btw)

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08-02-2011, 06:31 PM

JeepingDan

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Year: 88

Engine: 4.0 HO

This http://www.lucasoil.com/articlelist1...eringTreatment

Mine use to whine bad. I sucked the fluid out and dumped this in and noise went completely away withing a half mile down the road and has not come back in 3 years.

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08-02-2011, 10:26 PM

96HO

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Year: 1996

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Engine: 4.0 H.O

ok cool, thanks ill give that a shot tomorrow

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08-02-2011, 10:30 PM

Firestorm500

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It probably still has air in the system. You can work the steering wheel back and forth while just sitting still. The air will usually work it's way out in a while.

Then check your hot fluid level and fill to the mark.

Are you using power steering fluid? Or ATF?