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Old 11-26-2001, 12:35 PM   #1
2.5GT
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Member#: 2697
Join Date: Oct 2000
Location: Olney, MD. Work in McLean, VA
Vehicle:
2000 Celica GT-S
Spectra Blue

Default Is it possible to perform coolant flush without engine?

Hi all,

I am in the process of swapping out my DOHC engine and replacing it with a SOHC engine from a 2001 legacy GT. The original engine had a blown headgasket which leaked oil into the coolant reservoir (and I'm guessing the radiator and hoses as well), leaving minute oil deposits. I would like to clean out the coolant system before installation of the new engine.

Is it possible to perform a coolant flush (or clean out the oil deposits) from the radiator and coolant reservoir without the engine installed?

Thanks,

Jason
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Old 11-27-2001, 12:07 PM   #2
Alan
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Join Date: Jan 2001
Chapter/Region: NWIC
Location: Tigard, Oregon
Vehicle:
2006 WRX Wagon
BRIGHT BLUE!

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Sure, you can run a flush through the radiator without the engine. I'd use a little cleaner/degreaser on the first fill (you'll need to plug the main radiator hose outlets) and use hot water. Then a couple of flushes with clean water and all the oil traces will be gone. The overfill tank and hose is pretty easy too - but doing the heater core and hoses will be a little more interesting - I'd suggest using the garden hose into one side and the flow through it should clean it out.
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Old 11-27-2001, 03:14 PM   #3
2.5GT
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Location: Olney, MD. Work in McLean, VA
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2000 Celica GT-S
Spectra Blue

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Thanks Alan,

I was starting to worry that nobody would be able to answer my question.

Jason
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