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Topic: Cooling the engine - understanding the system (Read 166 times) previous topic - next topic

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Cooling the engine - understanding the system
I had a heat alarm and high engine temperatures when I shouldn't have, and that sent me on a project of renovating the cooling system. So far I have replaced the coolant 'filter', thoroughly cleaned the radiator exterior and air (moderator) that...

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Re: Cooling the engine - understanding the system
Reply #1
Every pound of pressure in the cooling system will raise the static boiling point three degrees so a 15 psi pressure cap will allow the coolant to rise 15 degrees more than the 10 psi cap before boiling (vaporizing).

The operating temperature of...

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Re: Cooling the engine - understanding the system
Reply #2
Mike_Sandra_Lloyd wrote:
"The very small change in expansion tank level led me to drain it (thinking that perhaps the hose was plugged), ( it drained very very slowly and some air bubbles kept appearing in the runoff. Something was suspicious...

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Re: Cooling the engine - understanding the system
Reply #3
Thanks guys! It feels pretty good to (a) have done the work myself, and (b) to continue learning about this amazing machine. Coincidental with the cooling system fixes, I renovated the engine compartment insulation and sheathing so that it is...

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  • John44
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Re: Cooling the engine - understanding the system
Reply #4
My opionion would be if you can get by without overheating with the lower pressure cap then use that cap,less pressure less chance for leaks,internally or externally.