NewGuy19 Posted June 2, 2009 Share Posted June 2, 2009 My P/S system has had typical P/S fluid in it since I bought the car and I have not thought anything about it. A few days ago it started making a whining sound so I started reading and found out it should have ATF in it, not P/S fluid. My question is can I just use the typical method of changing the fluid by disconnection the return line and pumping the old fluid out or do I need to drain the P/S fluid some other way before adding the ATF to it. I'm not sure if the two fluids will cause problems when mixed. I'm hoping the correct fluid and a good cleaning of the screen on the rack will solve the whining problem as the pump was replaced 5 years ago by the previous owner. I've tried doing a search on mixing the two fluids but with the number of posts about the P/S system it seems I may never actually find what I'm looking for. Quote Link to comment Share on other sites More sharing options...
SKperformance Posted June 2, 2009 Share Posted June 2, 2009 yes you can flush it like that as it is easy . After one week flush it again to get rid of residual. Quote Link to comment Share on other sites More sharing options...
NewGuy19 Posted June 2, 2009 Author Share Posted June 2, 2009 Thanks for the reply. I'll get at that after work this morning. While I'm at it I think I might pull the reservoir and clean it and possibly get rid of the air control valve. It’s been leaking for a couple years but I just made a shield and bolted it between my pump and my alternator to deflect any fluid. Quote Link to comment Share on other sites More sharing options...
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