Pump was always a little loud over the past 100K miles, finally replaced it around 180K with a cheap carparts.com rebuild. Made same noise. Ordered slightly more expensive Rebuild (all cheap Mexican rebuilds), started out quiet but has gotten very loud over the last 6 months. Just ordered Bosch rebuilt unit.
What is the proper fluid? Been using volvo Power Steering fluid. Any other spec I should be trying?
Any way the rack could be eating pumps? Doesn't seem to leak any fluid.
Thanks for any suggestions..
PRH
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