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    • 4LHA-STP engine overheating 1 2

      This topic has 25 replies, has 5 voices, and was last updated byRob Schepis 4 years ago

      November 10, 2018 at 3:30 pm Hello – keen on some guidance please. My 4LHA-STP (240hp) engine is overheating. 2000 hours. Coolers / heat exchanger are all just cleaned and looking great. New impellor fitted in sea water pump, water is flowing through the sea water circuit. I am not losing any engine coolant on the fresh water side. Not sure where to look next. any guidance appreciated. cheers

      Started by: Mick Huestis in: General Discussion

      25 Replies
      January 5, 2020 at 9:37 am The manual is far from gospel ….. All environments and sea water conditions will play varying levels of havoc. So if the manual is taken verbatim the engine that is docked in the salty sea gets the same maintenance protocol as the one slipped in Lake Michigan? No way. If the pump has not been serviced in 8 years I gather that neither has the remainder of the seawater circuit. Now is the time. Best is to pull all from the engine and ben…

      Last Post by: Rob Schepis posted: 4 years ago

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