Squealing sound from hot water circulating pump

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    • #276360
      Aaron Carpenter

      I have an over 40 year old hot water oil fired furnace. Today (its currently 5 degrees out) there began a squealing sound apparently from the pump on back of the furnace. we filled the 3 oil holes with about 3 drops of oil each and it stopped for a few hours. Now its begun again. Any suggestions???

    • #293996
      Retired plbg1
      Participant

      It might take a special oil for the bearing, also they are probably shot.

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