Oil pump whining when turning AC on


TrexMex

15+ Year Member

Joined
Sep 30, 2007
Messages
405
Points
3,101
Age
48
Vehicle Year
1994
Transmission
Manual
Power Steering Pump whining when turning AC on

Hello,

On a hot day, when turning the AC on, I get this more than usual whining from the Power Steering pump. I was wondering how could I fix this. I recently changed the belt so I wouldn't think it has to do with belt wear.

Any help would be much appreciated.

BTW, My truck is a 4WD '94 Ranger STX with a 3.0 in it...
 
Last edited:
Yes I did... My bad.....
 
Replace the pump with one that hasn't been run on air.

The only reason it whines more is because the belt is doing more work with the A/C on.
 

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