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  #1 (permalink)  
Old 06 Dec 2003, 06:21 pm
Ben
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Default radiator flush

Hi all,

I was wondering if one can do perform a do-it-yourself radiator flush on a
95 civic. I like to do it myself, because, everytime a go to a shop on a
saturday they make me wait for at least an hour, often they ask me to come
back at the end of the day. If i have to wait that long just to pay
somebody, i might as well do it myself. Can you share some of your
thoughts? Thanks.

Ben



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  #2 (permalink)  
Old 06 Dec 2003, 07:30 pm
'Curly Q. Links'
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Default Re: radiator flush

Ben wrote:
>
> Hi all,
>
> I was wondering if one can do perform a do-it-yourself radiator flush on a
> 95 civic. I like to do it myself, because, everytime a go to a shop on a
> saturday they make me wait for at least an hour, often they ask me to come
> back at the end of the day. If i have to wait that long just to pay
> somebody, i might as well do it myself. Can you share some of your
> thoughts? Thanks.
>
> Ben


--------------
Ben,
Whatever you do, make sure to use distilled or at least R.O. water when
you dilute your antifreeze. Tap water can be murder on internal parts.
Search this group for the consensus on which antifreeze to use. Wrong
one can wreck your water pump, then engine.

'Curly'
-----------------
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  #3 (permalink)  
Old 06 Dec 2003, 07:32 pm
Caroline
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Default Re: radiator flush

If you're at all handy, then a radiator drain, flush, and re-fill is very
straightforward.

The advantages: Don't have to wait on a shop; you know exactly what was done;
you can put in the coolant you think is best; you save money; you'll probably be
more careful; you're calling the shots.

Disadvantages: Your hands get dirty. You have to locate someone that will take
the old coolant (not a big deal; state laws tend to be supportive). You have to
be careful not to leave puddles of coolant (it will kill dogs and cats).

My 1991 Civic's owner's manual has instructions for this. Maybe yours does, too.
I would definitely not do this without the manufacturer's instructions.

I think the most common hang-up comes at the step for taking off the engine
block drain bolt. A lot of people here, including myself, skip it, because the
engine block drain bolt is very tight, it's hard to get to, and the bolt head
isn't optimal. (I did get if off once, however. So it's worth a try.) I just
drain as much as possible through the radiator drain plug orifice, instead, then
fill, idle the car, drain, and refill repeatedly until the drainage runs clear.
I calculate how much water remains in the engine block after the last flush and
then add undiluted coolant to achieve the right ratio of undiluted coolant to
water.

I think the consensus here is to use Honda's own OEM coolant. It costs more but
its guaranteed (by folks here, and there's a lot of experience on this) to
maximize the life of your Civic's water pump. The water pump is persnickety when
it comes to coolants.

I myself am experimenting with the Orange Dex stuff, allegedly designed for
aluminum engines and imports like Honda, as well as long-life. Thirteen months
and all's well. But I have the time, money, and inclination to experiment a
little.

I am thinking of replacing the radiator coolant more often than recommended,
like 1.5 years or 20,000 miles, whichever comes first, instead of 2 years or
every 30,000 miles.

"Ben" <NoSpam@NoSpam.com> wrote
> I was wondering if one can do perform a do-it-yourself radiator flush on a
> 95 civic. I like to do it myself, because, everytime a go to a shop on a
> saturday they make me wait for at least an hour, often they ask me to come
> back at the end of the day. If i have to wait that long just to pay
> somebody, i might as well do it myself. Can you share some of your
> thoughts? Thanks.



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  #4 (permalink)  
Old 07 Dec 2003, 02:37 pm
JDS
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Posts: n/a
Default Re: radiator flush

http://pw1.netcom.com/~gentile/Vigor/Timely0102.htm

"Ben" <NoSpam@NoSpam.com> wrote in message
news:PvtAb.4323$0U4.1047844@news4.srv.hcvlny.cv.ne t...
> Hi all,
>
> I was wondering if one can do perform a do-it-yourself radiator flush on

a
> 95 civic. I like to do it myself, because, everytime a go to a shop on a
> saturday they make me wait for at least an hour, often they ask me to come
> back at the end of the day. If i have to wait that long just to pay
> somebody, i might as well do it myself. Can you share some of your
> thoughts? Thanks.
>
> Ben
>
>
>



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  #5 (permalink)  
Old 09 Dec 2003, 04:44 pm
MLD
Guest
 
Posts: n/a
Default Re: radiator flush

I basically do what you've recommended but slightly different. In the
summer--drain using the radiator drain plug. Measure the amount (volume)
that comes out. Fill with water. Drive for a day and then repeat the
process. Do this until the water that comes out of the radiator is
relatively clear. Remember to open the heater a few times during one of the
daily rides to ensure getting the mixed solution out of the heater too.
Knowing the capacity of your cooling system and the volume that drains out
you can calculate how much anti-freeze to put in to ensure the 50-50 mix.
MLD
"Caroline" <caroline10027remove@earthlink.net> wrote in message
news:jyuAb.2893$rP6.835@newsread2.news.pas.earthli nk.net...
> If you're at all handy, then a radiator drain, flush, and re-fill is very
> straightforward.
>
> The advantages: Don't have to wait on a shop; you know exactly what was

done;
> you can put in the coolant you think is best; you save money; you'll

probably be
> more careful; you're calling the shots.
>
> Disadvantages: Your hands get dirty. You have to locate someone that will

take
> the old coolant (not a big deal; state laws tend to be supportive). You

have to
> be careful not to leave puddles of coolant (it will kill dogs and cats).
>
> My 1991 Civic's owner's manual has instructions for this. Maybe yours

does, too.
> I would definitely not do this without the manufacturer's instructions.
>
> I think the most common hang-up comes at the step for taking off the

engine
> block drain bolt. A lot of people here, including myself, skip it, because

the
> engine block drain bolt is very tight, it's hard to get to, and the bolt

head
> isn't optimal. (I did get if off once, however. So it's worth a try.) I

just
> drain as much as possible through the radiator drain plug orifice,

instead, then
> fill, idle the car, drain, and refill repeatedly until the drainage runs

clear.
> I calculate how much water remains in the engine block after the last

flush and
> then add undiluted coolant to achieve the right ratio of undiluted coolant

to
> water.
>
> I think the consensus here is to use Honda's own OEM coolant. It costs

more but
> its guaranteed (by folks here, and there's a lot of experience on this) to
> maximize the life of your Civic's water pump. The water pump is

persnickety when
> it comes to coolants.
>
> I myself am experimenting with the Orange Dex stuff, allegedly designed

for
> aluminum engines and imports like Honda, as well as long-life. Thirteen

months
> and all's well. But I have the time, money, and inclination to experiment

a
> little.
>
> I am thinking of replacing the radiator coolant more often than

recommended,
> like 1.5 years or 20,000 miles, whichever comes first, instead of 2 years

or
> every 30,000 miles.
>
> "Ben" <NoSpam@NoSpam.com> wrote
> > I was wondering if one can do perform a do-it-yourself radiator flush on

a
> > 95 civic. I like to do it myself, because, everytime a go to a shop on

a
> > saturday they make me wait for at least an hour, often they ask me to

come
> > back at the end of the day. If i have to wait that long just to pay
> > somebody, i might as well do it myself. Can you share some of your
> > thoughts? Thanks.

>
>



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