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SC400 P/S Buzz question

Old Jul 26, 2014 | 07:53 PM
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Default SC400 P/S Buzz question

So lately my P/S has been making alot of buzzing noise when I turn the wheel. Fluid level is good and was changed about 20k ago. I have a 94 sc400. Does it sound like my pump is going out or my p/s rack?
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Old Jul 27, 2014 | 08:30 AM
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If fluid level is going down and there is white smoke coming from the exhaust, then you have a failed vacuum valve, the PS pump also will do this when low on fluid, but if level checks out good then the PS pump could be worn out.
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Old Jul 28, 2014 | 08:09 AM
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Yeah if the fluid is not depleting then its a pump on it's way out. Mine's been doing the same thing for about 2 months and recently getting worse and harder to hold the wheel while turning. It's last leg..
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