Posted by Owen Aaland on May 23, 2009 at 04:49:40 from (65.165.246.54):
In Reply to: 560 hydraulic pump posted by brian brooks on May 23, 2009 at 04:15:53:
brian brooks said: (quoted from post at 04:15:53 05/23/09) I still have the same situation; squealing and no p/s.Reading my I.T. manual it says something about a plate being in the pump as to weather or not it has p/s.Are these 2 different pumps or can I add or delete the plate?
There is a separate pump for the power steering. It piggy backs onto the main hydraulic pump. The main pump either has a plate on the back side or was made without provision for the PS pump. If you do not have PS steering you need the plate or a pump without provisions for a piggyback pump.
If you replaced the pump assembly and you had a PS pump on it that you did not transfer to the new pump, you will have no PS assist and it will draw air into the main pump.
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