Mercedes-Benz Forum - View Single Post - Whining/Groaning Power Steering Pump
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post #1 of (permalink) Old 05-08-2019, 09:54 AM Thread Starter
antonross
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Date registered: Jan 2009
Vehicle: 1985 380SL
Location: Alameda Island, CA
Posts: 72
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Whining/Groaning Power Steering Pump

All,

My 1985 380SL has been sitting for a month or so, and I just had her detailed and ready for Spring here in the Bay area. She started right up, but I immediately noticed a bit of whining/groaning when turning the wheel, and it was somewhat "heavy."

I checked the PS fluid reservoir, and it was topped off, and I couldn't find any evidence of leaks anywhere.

Is the PS pump possibly failing, or could it be a blocked filter at the bottom of the reservoir?

Just wondering what else I should check before escalating this to my mechanic.

Thoughts?
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