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

[Patrick]

The debris looks like poorly mixed concrete 

Sent from my iPhone

> On Aug 1, 2015, at 11:18 PM, Steve Smolinske <SSmolinske at rainierrubber.com> wrote:
> 
> What kind of debris?
>  
> From: Listserve [mailto:listserve-bounces at catalina38.org] On Behalf Of 1derful at comcast.net
> Sent: Saturday, August 01, 2015 8:30 PM
> To: Catalina
> Subject: [C38] How do I tell if my heat exhanger is not working?
>  
> 
> 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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