Changing Radiator Hoses


Old 02-02-08, 02:04 PM
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Changing Radiator Hoses

I need to change my upper and lower radiator hoses. Is it possible to do it in a particular sequence to minimize losing antifreeze? If not, I need to have an idea what the total amount of coolant is needed. What is the typical ratio of anti-freeze to water? I have a '95 Nissan Quest XE mini-van.
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Old 02-02-08, 05:45 PM
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Drain the radiator first, if it has a drain plug, most do. If yours doesn't, disconnect the lower hose at the radiator and make sure your container will hold about 3 gallons.

You will probably have something left in the engine no matter what you do, so about two gallons of 50/50 mix will normally fill it.

The 50/50 mix would be also be your ratio of antifreeze to water. That mix takes care of all winter weather in the Midwest. Don't mix it any thicker (more antifreeze).

Hope this helps,

Old 02-02-08, 06:20 PM
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Distilled water makes for a better mix, also. Must help cut down on the lime deposits. In fact that reminds me; I have to go out and buy more at the grocery store to mix more with.
Old 02-03-08, 09:29 AM
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Well it'd be a good idea to change the antifreeze also might as well you're doing all the work already, yeah make sure is a 50/50 if you mix it or just get the pre-mixed one its a lot easier, most people think antifreeze is generic but it is not make sure you buy the one that falls into the OEM recommendations
( ehtylene OR propylene glycol )
Old 02-03-08, 10:48 PM
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Thanks for all the replies!

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