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Unread 04-30-2013, 05:23 PM   #1
howmany
Registered User
1977 DJ 
 
Join Date: Nov 2012
Location: Decatur, Texas
Posts: 54
Flushing Coolant W/out radiator? Noob...

I am getting a new Champion radiator this weekend, and would like to flush out all the old coolants, etc. from the system. Is this possible with the radiator off? or easier? As of now, the radiator is still hooked up, but it has a hole in it (the reason I'm replacing it) and the heater hoses are un-hooked, cut, etc. I've read all about the hose method w/ the radiator on, and engine running, but can't find anything else. Is it as simple as shoving a hose in one of the radiator input/output locations on the engine?

Thanks, all pointers are appreciated!

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Unread 04-30-2013, 07:31 PM   #2
rug_15
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2000 TJ Wrangler 
 
Join Date: Apr 2013
Location: Tacoma, WA
Posts: 54
Hey I just did this. I literally took a garden hose and shoved it in input hose. Worked fine. Did use a radiator flush crap where you run the motor with the fluid in it and it breaks everything down The flushed it like three more times with water. (Don't ask why i did this so many times. Lets just say gas station fix a radiator is BAD ) Everything worked great after
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