What to check for after an overheat

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   One thing I've read, is if the engine has gotten very hot, and you find the problem and fix it, don't start it again.  Let it cool down on it's own and start it later on.

I guess if you introduce the cold water all of a sudden, to an extremely hot engine, it can cause problems.

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Bri892001 Members Profile Send Private Message Find Members Posts Add to Buddy List Grand Poobah Joined: September-27-2008 Location: Boston MA Status: Offline Points: 4947	Post Options Post Reply Quote Bri892001 Report Post Thanks(0) Quote Reply Topic: What to check for after an overheat Posted: May-15-2012 at 6:49pm
	One thing I've read, is if the engine has gotten very hot, and you find the problem and fix it, don't start it again. Let it cool down on it's own and start it later on. I guess if you introduce the cold water all of a sudden, to an extremely hot engine, it can cause problems.

SNobsessed Members Profile Send Private Message Find Members Posts Add to Buddy List Grand Poobah Joined: October-21-2007 Location: IA Status: Offline Points: 7102	Post Options Post Reply Quote SNobsessed Report Post Thanks(0) Quote Reply Posted: May-12-2012 at 12:20pm
	If you wanted to be really sure there is no damage, you could pressure test the water jacket to 15 PSI. This would involve some work to plug all water inlets & outlets, then hookup an air source. You either gage pressure decay, or look for air flow to detect a head gasket leak.
	“Beer is proof that God loves us and wants us to be happy.” Ben Franklin

Alcarlaw Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: June-26-2010 Location: Scotland Status: Offline Points: 78	Post Options Post Reply Quote Alcarlaw Report Post Thanks(0) Quote Reply Posted: May-12-2012 at 6:02am
	I managed to air lock my rwp (will go into that another time, and save my embarrassment for now) so the engine ran at low rpm for around 10 - 15 mins without cooling. The engine was HOT, however having changed oil and impeller, which remarkably did not show signs of damage, I have run the engine for around 6hours without problem , oil is clean etc. I am going to do a compression test to make sure there are no warped heads, can you think of any other tests, checks I should make? Thanks!

What to check for after an overheat

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