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

[Max soto]

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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