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