rubber flakes in coolant?

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Old 05 Jun 2006, 03:54 am   #1 (permalink)
mrdarrett@gmail.com
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Default rubber flakes in coolant?

'96 camry, changed coolant maybe 15,000 miles ago (Toyota red stuff).
I opened the radiator fill cap to do a coolant test (dropper with
little floating balls), and noticed little flakes (maybe 1/8 or 1/16 of
an inch) of rubber floating in the radiator.

Is this bad? If so, how bad?

I'm thinking of replacing the radiator hoses, and I'm wondering how
exactly I'll manage to change the radiator core hoses...

Michael

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Old 05 Jun 2006, 07:07 am   #2 (permalink)
m Ransley
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Default Re: rubber flakes in coolant?

Change the hoses they are deteriorating, Core hoses? just replace them.

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Old 06 Jun 2006, 02:44 am   #3 (permalink)
Drunken Panda
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Default Re: rubber flakes in coolant?

The SC Previa has this problem and it can cause idle problems. The
solution that some have found is to install a filter in the cooling
lines.

mrdarrett@gmail.com wrote:
> '96 camry, changed coolant maybe 15,000 miles ago (Toyota red stuff).
> I opened the radiator fill cap to do a coolant test (dropper with
> little floating balls), and noticed little flakes (maybe 1/8 or 1/16 of
> an inch) of rubber floating in the radiator.
>
> Is this bad? If so, how bad?
>
> I'm thinking of replacing the radiator hoses, and I'm wondering how
> exactly I'll manage to change the radiator core hoses...
>
> Michael


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Old 06 Jun 2006, 06:11 am   #4 (permalink)
m Ransley
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Default Re: rubber flakes in coolant?

Now tell me how rubber in water will cause idle problems, A filter, not
smart as it reduces water flow, less flow=overheat

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Old 06 Jun 2006, 12:53 pm   #5 (permalink)
Dave Dave
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Default Re: rubber flakes in coolant?

change all the rubber hoses. then give the cooling system a good flush
and fill. that should do the trick.

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Old 06 Jun 2006, 04:10 pm   #6 (permalink)
Daniel
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Default Re: rubber flakes in coolant?

mrdarrett@gmail.com wrote:
> '96 camry, changed coolant maybe 15,000 miles ago (Toyota red stuff).
> I opened the radiator fill cap to do a coolant test (dropper with
> little floating balls), and noticed little flakes (maybe 1/8 or 1/16 of
> an inch) of rubber floating in the radiator.
>
> Is this bad? If so, how bad?
>
> I'm thinking of replacing the radiator hoses, and I'm wondering how
> exactly I'll manage to change the radiator core hoses...
>
> Michael

==================================
See if you've got any non-Toyota hoses, I'd suspect those first.
Original equipment hoses tend to last a very long time.

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Old 06 Jun 2006, 04:49 pm   #7 (permalink)
mrdarrett@gmail.com
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Default Re: rubber flakes in coolant?


Daniel wrote:
> mrdarrett@gmail.com wrote:
> > '96 camry, changed coolant maybe 15,000 miles ago (Toyota red stuff).
> > I opened the radiator fill cap to do a coolant test (dropper with
> > little floating balls), and noticed little flakes (maybe 1/8 or 1/16 of
> > an inch) of rubber floating in the radiator.
> >
> > Is this bad? If so, how bad?
> >
> > I'm thinking of replacing the radiator hoses, and I'm wondering how
> > exactly I'll manage to change the radiator core hoses...
> >
> > Michael

> ==================================
> See if you've got any non-Toyota hoses, I'd suspect those first.
> Original equipment hoses tend to last a very long time.



They're all original equipment hoses, but it has been 10 years...

I'll change the hoses when I get a spare moment (in a few weeks...)

Michael

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Old 06 Jun 2006, 09:34 pm   #8 (permalink)
Drunken Panda
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Default Re: rubber flakes in coolant?

Black flakes get caught in the coolant bypass hose and cause a high
idle. It is a well documented fact.
http://f5.grp.yahoofs.com/v1/ABeGROi...ng_out_tee.jpg

m Ransley wrote:
> Now tell me how rubber in water will cause idle problems, A filter, not
> smart as it reduces water flow, less flow=overheat


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