[C38] How do I tell if my heat exhanger is not working?

[Patrick]

Thanks for your advice 

Sent from my iPhone

> On Aug 4, 2015, at 3:18 PM, Max soto <maxsoto at gmail.com> wrote:
> 
> I used my 5424 without a thermostat and a 3" heat exchanger for 12 years and had no problems.. 
> 
> Patrick, check on eBay for the heat exchanger... You might find a bargain!
> 
> Regards,
> 
> Max Soto A.
> +506-8312-1367
> Alajuela, Costa Rica
> 
>> On Aug 3, 2015, at 08:47, Mark Lewis <mwlewis2025 at gmail.com> wrote:
>> 
>> Patrick,  I read somewhere that the cooling system doesn't work with out the thermostat installed. I was going to leave it out to make the engine run cooler, but had to put a new one in.
>> 
>>> On Aug 1, 2015 11:29 PM, <1derful at comcast.net> wrote:
>>> 
>>> Hello,
>>>  
>>> My Catalina has been overheating.  Universal Diesel 5424.
>>> I removed the thermostat........it was corroded and wrapped with debris.
>>> I removed and cleaned the internal water pump.  Also lot of debris.
>>> Put hose in engine.  Water didn't flow but eventually it did.  More debris.
>>> now when I run the engine it is cool until I put on the radiator cap..........then it gets too hot and loses water.
>>>  
>>> Any thoughts?
>>>  
>>> Patrick
>>> 
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