Cooling flush quesiton... - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 12-03-2005, 02:03 PM   #1
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Default Cooling flush quesiton...

Hi,
I've got my car up on a lift and the coolant has finished draining out of the radiator, but the overflow tank is still full. Is this supposed to happen? Should the tank empty w/ the radiator?

Thanks!
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Old 12-03-2005, 02:52 PM   #2
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Nevermind...asked a mechanic and he said the overflow bottle isn't suppsoed to drain with the radiator. I took it off, drained it and it'* soaking in degreaser now.
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Old 12-03-2005, 02:52 PM   #3
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Nope. It takes a vacuum in the radiator to draw in coolant from the reservoir. Just pull your reservoir off and drain it and wash it.
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Old 12-03-2005, 02:53 PM   #4
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impatient impatient
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Old 12-03-2005, 03:42 PM   #5
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Quote:
Originally Posted by John Deere Boy
impatient impatient
Ya...lo. The resevoir is a pain to clean. Coolant is caked on the sides from never being changed. I'm using the needle nosed pliers and steel wool method.
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Old 12-05-2005, 10:21 AM   #6
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Drain coolant out of the bottle. Spray about 1/2 can of brake cleaner in there...push a rag in, block the openings and shake vigorously. Dump out, add more brake clean and repeat.

Mine took about a full can to be super clean. Then rinse it with tons of water. Make sure all the brake clean and gunk is out.
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Old 12-05-2005, 10:57 AM   #7
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Found my after cleaning pics

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Old 12-05-2005, 11:09 AM   #8
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Wow! I don't think my kitchen plates are that clean, lol.
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Old 12-05-2005, 11:49 AM   #9
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Literally it took a few minutes. I pushed a shop rag in and sprayed 1/2 the can..swish around so the rag did most of the cleaning. Empty refill and go again. All set..rinse super well. I was happy with the results
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Old 12-05-2005, 12:50 PM   #10
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Quote:
Originally Posted by BillBoost37
Found my after cleaning pics
Wow. Okay, I know what my next project is. Question though: Is the break cleaner method safe for the wiper fluid reservior as well?
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