Power steering pump noise

4X4 Pinto · Mar 6, 2011

I just bought a 90 Bronco II w/ 74K orig. It runs great but has a annoying whine sound which increases in pitch with the RPMs. I suspect it is the power steering pump. Fluid in it is up where it shoud be but smells burnt. Should I replace it with new power steering fluid ? What is the best way to drain all the old stuff out? My 93 F250 truck has the same noise. Hate it but I've heard worse on other older Fords.
Tom D.

chrwilkins30 · Mar 6, 2011

Every bII ive heard has a whining PS pump.

Surrey · Mar 7, 2011

Check this out... Might help.

http://therangerstation.com/forums/showthread.php?t=76958

Yabalim34 · Sep 26, 2018

Surrey said:
Check this out... Might help.

http://therangerstation.com/forums/showthread.php?t=76958

I know very good team for the regeneration of steering gears used in BMW vehicles. They are very qualified specialists with many years of experience. https://www.steeringlpsr.com/ This team did for me a lot good jobs. !

Jim Oaks · Sep 26, 2018

These pumps take Type F or Dex/Merc transmission fluid. Not power steering fluid.

Someone correct me if I'm wrong, but I heard you could add friction modifier, the same stuff you add in with gear oil for limited slips, that's suppose to help quiet the pump.

Power steering pump noise

4X4 Pinto

10+ Year Member

chrwilkins30

15+ Year Member

Surrey

10+ Year Member

Yabalim34

5+ Year Member

Jim Oaks

Just some guy with a website

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