Had my impellors changed last year but noticed the starboard engine tattle tale flow is about half that of the port engine now. No warning alarm sounds and stream is weak but not intermittent! I go out 120 miles so hearing an alarm at that point would be very disconcerting.
Further understand that (tattle tale) water flow can be influenced by impellor, thermostat, and an exhaust poppet valve but that the F250 does not have the poppet valve.
Given that engines have 900 hours (flushed religously BTW) do you think it likely to be the thermostat of impellor. And if not the impellor, should I check the thermstat visuall for impairment (can you do that?) or just buy 2 repacement thermostats for the starboard engine?
Everyone's thoughts? Thx.
Further understand that (tattle tale) water flow can be influenced by impellor, thermostat, and an exhaust poppet valve but that the F250 does not have the poppet valve.
Given that engines have 900 hours (flushed religously BTW) do you think it likely to be the thermostat of impellor. And if not the impellor, should I check the thermstat visuall for impairment (can you do that?) or just buy 2 repacement thermostats for the starboard engine?
Everyone's thoughts? Thx.
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