Re: [Amel Yacht Owners] RPMs and Temperature reading

Patrick McAneny

Jose, Well if your antifreeze is only warm when the gauge reads 225 or higher ,then its obviously not running hot and it is likely a sensor or gauge issue. When you pulled out the H/E core was there a round ring on the core about 3/4 of the way down the core . It is a round ring that slides tightly over the core ,it is about 1/4" larger on the outside ,it closes off a hole inside the H/E housing ,forcing the water to go thru the core ,rather than bypassing the core thus not cooling the water. Take the core out ,then with a flashlight look into the housing and you will see a bulkhead which the core passes thru ,the gasket seals that hole in the bulkhead. Without the core being sealed  temps increase at higher RPMs.
Hope this helps ,
SM Shenanigans

-----Original Message-----
From: Jose Venegas via <josegvenegas@...>
Sent: Sat, Sep 5, 2020 1:21 pm
Subject: Re: [AmelYachtOwners] [Amel Yacht Owners] RPMs and Temperature reading

Pat, thanks for the suggestions.
Yes I am going to order 2 infrared guns!  Sounds like a good thing to have.
I cleaned the heat exchanger in March and the boat sat at Le Phare Blue (Grenada) for 5 months.  Also, the temperature gauge read high even at idle RPM.  So I think I can exclude the heat exchanger.
No, I did not see steam pushing past the radiator cap.  There were a few bubbles of air that came out but the antifreeze was only warm.
Ipanema has still the original Volvo Penta TM22. 
Is the rubber ring/gasket the one that looks like a radiator the cap?
I will conduct later on a test of the heat sensor to see how accurate it is and compare the temp with that of an infrared gun.
So, the saga continues

Ipanema SM2K 278

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