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Old 06-13-2011, 07:13 PM   #1
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coolant confusion

Hey all noticed the plastic tank holding coolant is low. The radiator cap is not but the coolant in the radiator cap looks very dirty. Should I just top off the plastic resovoir with distilled water or should I drain it all and replace with 50 50 ?

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Old 06-13-2011, 07:21 PM   #2
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Hey all noticed the plastic tank holding coolant is low. The radiator cap is not but the coolant in the radiator cap looks very dirty. Should I just top off the plastic resovoir with distilled water or should I drain it all and replace with 50 50 ?
id bring it to a shop and have them flush the coolant system to get rid of the dirty coolant, the "dirt" inside the radiator is actually rust, so i wouldnt ignore it for to long, but draining the radiator and filling it back up with 50/50 would be better than nothing, i wouldnt fill it with water exspecially now that is is getting hot outside (or atleast it is here in TN) water will evaporate and you will end up being low again pretty soon, also it will just cause more rust and the "dirty" radiator will just get worse.

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Old 06-13-2011, 07:24 PM   #3
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Thanks you're right I looked again and its definately alot of rust! Be a good idea to fix it asap
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Old 06-13-2011, 07:37 PM   #4
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Never run straight water. That's where all that rust came from. Antifreeze has a higher boiling point then water Anyway.
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Old 06-13-2011, 07:38 PM   #5
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Thanks for the info. I've been looking for a guide does anyone have one on how to do this with the prestone flush and refill kit? Thanks!
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Old 06-13-2011, 07:48 PM   #6
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You can buy a kit to put a little adapter in the heater hose, the just hook the hose to it turn it on and open it radiator drain plug or pull the radiator hose. But make sure all the Antifreeze is out or it gets drained into a bucket.

That stuff will.kill ur pets if they drink it
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Old 06-13-2011, 07:55 PM   #7
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You can buy a kit to put a little adapter in the heater hose, the just hook the hose to it turn it on and open it radiator drain plug or pull the radiator hose. But make sure all the Antifreeze is out or it gets drained into a bucket.

That stuff will.kill ur pets if they drink it
I've got a tub to drain it in. Thanks for the info (there are about 20 cats going around here that I'm sure would love to drink it! I wonder if autozone will dispose of it?
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Old 06-13-2011, 08:09 PM   #8
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You can usually put it in Milk jugs and put it out with your recycling, you'll wanna call to check first. But that what we do around here
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Old 06-13-2011, 08:11 PM   #9
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Some part stores will take your used oil, not sure about Antifreeze tho.
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Old 06-14-2011, 09:36 AM   #10
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No auto-parts stores around here (PA) will take used antifreeze. Its next to impossible to get rid of the stuff.
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Old 06-14-2011, 10:13 AM   #11
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if you own a garden hose you can flush it at home. get a $5 Prestone flush kit.

as for antifreeze, make sure to use HOAT - John Deere, Mopar, Mercedes and Ford dealerships all sell it...or get Zerex GO-5 from NAPA. Zerex GO-5 is what I use.

for the water, use only distilled water. after the flush, there will be about a half gallon of water left in the engine block. if you're so inclined you can drain this from the engine block using the drain plug in the side of the block, but i'd say just fill the system with straight distilled, let the engine get warm (or pull the thermostat), and drain it again, then refill with antifreeze & distilled. use an anti-freeze tester to verify the concentration of the mixture so you're 50/50, with at least -20 to -40°F protection.
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Old 06-14-2011, 12:07 PM   #12
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if you own a garden hose you can flush it at home. get a $5 Prestone flush kit.

as for antifreeze, make sure to use HOAT - John Deere, Mopar, Mercedes and Ford dealerships all sell it...or get Zerex GO-5 from NAPA. Zerex GO-5 is what I use.

for the water, use only distilled water. after the flush, there will be about a half gallon of water left in the engine block. if you're so inclined you can drain this from the engine block using the drain plug in the side of the block, but i'd say just fill the system with straight distilled, let the engine get warm (or pull the thermostat), and drain it again, then refill with antifreeze & distilled. use an anti-freeze tester to verify the concentration of the mixture so you're 50/50, with at least -20 to -40°F protection.
Thanks for the info! Wasn't quite sure which antifreeze to get
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Old 06-15-2011, 06:10 PM   #13
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Well its done and it sure was dirty. Did you guys leave on the tee from that Prestone flush kit ?
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Old 06-15-2011, 07:42 PM   #14
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Well its done and it sure was dirty. Did you guys leave on the tee from that Prestone flush kit ?
i did. i bought a new pre-formed heater hose from NAPA and cut it to install the tee. I then saved the stocker as spare. I used the biggest (3/4" or 9/16" maybe?) and haven't had any leaks yet (been over a year).
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Old 06-15-2011, 08:59 PM   #15
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i did. i bought a new pre-formed heater hose from NAPA and cut it to install the tee. I then saved the stocker as spare. I used the biggest (3/4" or 9/16" maybe?) and haven't had any leaks yet (been over a year).
Good idea on the extra hose. I was a bit worried about the cap coming loose but I used some pipe tape and there's a gasket so its prob fine. I will get another hose though

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