Just had this thing replaced 2 months ago. Yesterday it's developed a horrible noise when turning the wheel. At first I thought it was the wheels. Started it up today, let idle for a minute then started turning the wheel and the pump starts making a loud humming noise during turning.
Could it be the belts are loose? It drives ok but it's embarrassing as hell when that racket starts up.
Thanks in advance!

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1988 420sel

it's probably the belts, they are loose or worn and need to be replaced... spray a little WD-40 on them , if the noise goes away then the problem is not the pump..also check the fluid..

Ben

Ok I thought so. Thanks. I checked the fluid after testing the steering and it looked clean, a little frothy maybe. The belts were changed last year, I bet once the pump was changed the tension wasn't set right.

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1988 420sel