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  #1 (permalink)  
Old 03 Apr 2005, 05:28 pm
Latitude Wizard
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Default Air bubbles in coolant?

I am looking for reasons that could cause repeated airbubbled in coolant
system.

I have a honda civic 95 and i keep getting airbubbles in my coolant system.

I have one possible reason in mind:
leak in head gasket causing the coolant to get air from the engine.

Any other possible explanations?
what about my assumption above and what do i need to do to fix it if the
above assumption is correct?

thanks in advance.


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  #2 (permalink)  
Old 03 Apr 2005, 05:57 pm
G-Man
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Default Re: Air bubbles in coolant?

You re probably on the right track. Blown HG in our '94 civic made the
overflow tank look like it was boiling.

G-Man

"Latitude Wizard" <Spammehere@hotmail.com> wrote in message
news:N6_3e.713$6k4.113773@news20.bellglobal.com...
>I am looking for reasons that could cause repeated airbubbled in coolant
>system.
>
> I have a honda civic 95 and i keep getting airbubbles in my coolant
> system.
>
> I have one possible reason in mind:
> leak in head gasket causing the coolant to get air from the engine.
>
> Any other possible explanations?
> what about my assumption above and what do i need to do to fix it if the
> above assumption is correct?
>
> thanks in advance.
>



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  #3 (permalink)  
Old 03 Apr 2005, 06:09 pm
Woody
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Default Re: Air bubbles in coolant?

And you are probably getting coolant in the oil which will destroy the
engine. Replace the head gasket...


"Latitude Wizard" <Spammehere@hotmail.com> wrote in message
news:N6_3e.713$6k4.113773@news20.bellglobal.com...
>I am looking for reasons that could cause repeated airbubbled in coolant
>system.
>
> I have a honda civic 95 and i keep getting airbubbles in my coolant
> system.
>
> I have one possible reason in mind:
> leak in head gasket causing the coolant to get air from the engine.
>
> Any other possible explanations?
> what about my assumption above and what do i need to do to fix it if the
> above assumption is correct?
>
> thanks in advance.
>



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  #4 (permalink)  
Old 03 Apr 2005, 06:44 pm
motsco_ _
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Posts: n/a
Default Re: Air bubbles in coolant?

Latitude Wizard wrote:
> I am looking for reasons that could cause repeated airbubbled in coolant
> system.
>
> I have a honda civic 95 and i keep getting airbubbles in my coolant system.
>
> I have one possible reason in mind:
> leak in head gasket causing the coolant to get air from the engine.
>
> Any other possible explanations?
> what about my assumption above and what do i need to do to fix it if the
> above assumption is correct?
>
> thanks in advance.


--------------------------

If your rad cap isn't working right, then you'll appear to be getting
air bubbles in the reservoir tank because the rad won't pressurize
right, and coolant boils too easy if it's not under pressure. Your
reservoir should be kept full to the line, with good coolant diluted
with DISTILLED water. Tap water is called Hondacide. Fill the system per
the manual, then watch the level in the reservior when you check. Be
sure if there's any dripping under the drive belt end of the engine.
Leaking water pump MUST be replaces a.s.a.p. or timing belt will break.

'Curly'

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  #5 (permalink)  
Old 03 Apr 2005, 08:05 pm
TeGGer®
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Default Re: Air bubbles in coolant?

"motsco_ _" <"motsco_ _"@interbaun.com> wrote in
news:42507FCD.1020905@interbaun.com:

> Latitude Wizard wrote:
>> I am looking for reasons that could cause repeated airbubbled in
>> coolant system.
>>
>> I have a honda civic 95 and i keep getting airbubbles in my coolant
>> system.
>>
>> I have one possible reason in mind:
>> leak in head gasket causing the coolant to get air from the engine.
>>
>> Any other possible explanations?
>> what about my assumption above and what do i need to do to fix it if
>> the above assumption is correct?
>>
>> thanks in advance.

>
> --------------------------
>
> If your rad cap isn't working right, then you'll appear to be getting
> air bubbles in the reservoir tank because the rad won't pressurize
> right,




ALWAYS overlooked. Rad caps will get old.

Cheap fix, too. And use an OEM cap, even if you have to get the dealership
to order one. Incidentally, Toyota sells the exact same cap for half the
price of a Honda one. Ask for an '86 MR2 rad cap.



> and coolant boils too easy if it's not under pressure. Your
> reservoir should be kept full to the line, with good coolant diluted
> with DISTILLED water. Tap water is called Hondacide.




Listen to this, kids.

The very safest thing is to use is Honda's own premix. Yes, it's expensive,
a whole $20 or so, but a lot cheaper than head gasket failure.


--
TeGGeR®

The Unofficial Honda/Acura FAQ
www.tegger.com/hondafaq/
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  #6 (permalink)  
Old 11 Apr 2005, 11:02 am
Michael Pardee
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Posts: n/a
Default Re: Air bubbles in coolant?

"TeGGer®" <tegger@istop.c0m> wrote in message
news:Xns962DD668442ADtegger@207.14.113.17...
> Listen to this, kids.
>
> The very safest thing is to use is Honda's own premix. Yes, it's
> expensive,
> a whole $20 or so, but a lot cheaper than head gasket failure.
>
>
> --
> TeGGeR®
>

Does the coolant have a direct bearing on head gasket survival? I usually
think of head gasket failure as starting from the combustion chamber or from
head warping.

Mike


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  #7 (permalink)  
Old 11 Apr 2005, 02:07 pm
TeGGer®
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Posts: n/a
Default Re: Air bubbles in coolant?

"Michael Pardee" <michaeltnull@cybertrails.com> wrote in
news:g_-dnWB6C68xAsffRVn-jA@sedona.net:

> "TeGGer®" <tegger@istop.c0m> wrote in message
> news:Xns962DD668442ADtegger@207.14.113.17...
>> Listen to this, kids.
>>
>> The very safest thing is to use is Honda's own premix. Yes, it's
>> expensive,
>> a whole $20 or so, but a lot cheaper than head gasket failure.
>>
>>

> Does the coolant have a direct bearing on head gasket survival? I
> usually think of head gasket failure as starting from the combustion
> chamber or from head warping.
>



It has to do with failure when the coolant is old. Once it gets old enough,
it loses its corrosion protection and the tops of the cylnders rust. The
rust provides the hole for leakage.

If you use the wrong type of coolant and leave it in longer than it can
protect against corrosion, or if the additive package reacts with the old
stuff you had in there and corrosion protection is thereby diminished, then
you are at risk.

If you use a long-life coolant and change it every two years, then the
chance of corrosion is virtually nil no matter what you use.

Head warpage can cause leakage (which is what happened to me). Overheating
can cause the warpage in the first place, but overheating is not necessary
for warpage to occur.

--
TeGGeR®

The Unofficial Honda/Acura FAQ
www.tegger.com/hondafaq/
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