Thread: Do I have drain the coolant to change the thermostat
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Old 12-19-2005, 02:44 PM
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Zerohour3k Zerohour3k is offline
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Join Date: Sep 2005
Location: Ocean County, NJ
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Quote:
Originally Posted by Biodiesel300TD
I was just reading up on how to change the thermostat on good ol' DieseGiant's page. Is it necessary to drain all the coolant to change the thermostat? I just had my coolant changed when I got my blockheater installed last month. Is coolant going to spew everywhere if I open the t-stat housing without draining the coolant?

Thanks again.
Andrew

So long as the engine isn't hot, it won't really "spew" everywhere. I changed mine in the rain, last Wednesday. About a gallon of coolant will leak out, if you don't drain it.. so be sure to have some extra to top it off with. It's a really easy job.. just be SURE not to do it with a hot engine, or the fluid will obviously scald you badly.
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