Could not empty radiator, 2002 Nissan Frontier

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Kenny - 16 Jun 2008 00:40 GMT

I tried to change the coolant in my 2002 Nissan Frontier V6, all I did
was open the drain screw and the radiator cap, and emptied the
overflow reservoir. In my other cars, that's all I had to do. Only a
bit over a gallon came out. The capacity is supposed to be 11-5/8
quarts. What else do I have to do to get the rest of the coolant out?

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C. E. White - 16 Jun 2008 12:23 GMT

>I tried to change the coolant in my 2002 Nissan Frontier V6, all I
>did
[quoted text clipped - 4 lines]
> quarts. What else do I have to do to get the rest of the coolant
> out?

Remove the lower radiator hose from the radiator.

Ed

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willshak - 16 Jun 2008 13:36 GMT

on 6/15/2008 7:40 PM Kenny said the following:

> I tried to change the coolant in my 2002 Nissan Frontier V6, all I did
> was open the drain screw and the radiator cap, and emptied the
> overflow reservoir. In my other cars, that's all I had to do. Only a
> bit over a gallon came out. The capacity is supposed to be 11-5/8
> quarts. What else do I have to do to get the rest of the coolant out?
>

As someone else said, remove the lower hose. They used to sell a
radiator cap/garden hose adapter that would allow connection to a garden
hose to flush the coolant. That way, the whole engine could be flushed,
and not just the radiator. I don't know if they still sell them, but you
could probably rig up something similar.

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Bill
In Hamptonburgh, NY
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still just me - 19 Jun 2008 15:34 GMT

>As someone else said, remove the lower hose. They used to sell a
>radiator cap/garden hose adapter that would allow connection to a garden
>hose to flush the coolant. That way, the whole engine could be flushed,
>and not just the radiator. I don't know if they still sell them, but you
>could probably rig up something similar.

The problem with those is that they still leave a quantity of "flush
water" in the system. To get that out so that you can accurately
refill with a known mix, or refill with distilled water if you are a
fan of that over tap water, you still need to drain the system.

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