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Next: Hyundai warranty
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External
Since: Oct 30, 2004
Posts: 1802
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(Msg. 16) Posted: Fri Jan 19, 2007 5:43 am
Post subject: Re: Re: 95 Accord runs hot on freeway [Login to view extended thread Info.]
Archived from groups: alt>autos>honda (more info?)
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"Tegger" <tegger RemoveThis @tegger.c0m> wrote in message
news:Xns98BCD97CFDB95tegger@207.14.116.130...
> Jim Yanik <jyanik RemoveThis @abuse.gov> wrote in
> news:Xns98BC6EBF3678Bjyanikkuanet@64.209.0.84:
>
>> Tegger <tegger RemoveThis @tegger.c0m> wrote in
>
>>>
>>> It's not his thermostat. I'm sure of that.
>>>
>>
>> at that age,it's certainly suspect.
>
>
>
> There's certainly no harm (and lots of good!) in replacing the thermostat
> while the cooling system is in dry-dock, but the thermostat is not the
> OP's
> particular problem here. See my other post.
>
That's my view. The thermostat is a good target because it's inexpensive and
probably due for replacement while the coolant is drained, but the symptoms
are pretty classic for a plugged radiator. The plastic tanks in the radiator
are also plotting to crack, I'm sure.
Remember, 'pinkfloyd' - OEM only on the thermostat and be sure the system is
properly purged of air when the system is refilled with Honda premix (never
add tap water).
When you replace the radiator and thermostat, you can Set the Controls for
the Heart of the Sun and still stay cool. 
Mike |
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Joined: Jan 16, 2007
Posts: 4
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(Msg. 17) Posted: Fri Jan 19, 2007 12:46 pm
Post subject: Re: Re: 95 Accord runs hot on freeway [Login to view extended thread Info.]
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| Michael Pardee wrote: |
"Tegger" <tegger.TakeThisOut@tegger.c0m> wrote in message
news:Xns98BCD97CFDB95tegger@207.14.116.130...
> Jim Yanik <jyanik.TakeThisOut@abuse.gov> wrote in
> news:Xns98BC6EBF3678Bjyanikkuanet@64.209.0.84:
>
>> Tegger <tegger.TakeThisOut@tegger.c0m> wrote in
>
>>>
>>> It's not his thermostat. I'm sure of that.
>>>
>>
>> at that age,it's certainly suspect.
>
>
>
> There's certainly no harm (and lots of good!) in replacing the thermostat
> while the cooling system is in dry-dock, but the thermostat is not the
> OP's
> particular problem here. See my other post.
>
That's my view. The thermostat is a good target because it's inexpensive and
probably due for replacement while the coolant is drained, but the symptoms
are pretty classic for a plugged radiator. The plastic tanks in the radiator
are also plotting to crack, I'm sure.
Remember, 'pinkfloyd' - OEM only on the thermostat and be sure the system is
properly purged of air when the system is refilled with Honda premix (never
add tap water).
When you replace the radiator and thermostat, you can Set the Controls for
the Heart of the Sun and still stay cool.
Mike |
I apologize, but I don't understand about setting the controls for the 'Heart of the Sun and still stay cool'.
Thanks for all your help. It is greatly appreciated. |
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External
Since: Sep 02, 2003
Posts: 740
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(Msg. 18) Posted: Fri Jan 19, 2007 1:55 pm
Post subject: Re: 95 Accord runs hot on freeway [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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jim beam <spamvortex RemoveThis @bad.example.net> wrote in news:L9-dnexQr-
2Ppy3YnZ2dnUVZ_vrinZ2d RemoveThis @speakeasy.net:
> Jim Yanik wrote:
><snip>
>> Maybe he's got a worn water pump too.
>
> pump can't wear in a way that reduces flow - there's no parts that touch.
>
>
is the impeller plastic or metal?
IMO,plastic can degrade,even immersed in the coolant.
--
Jim Yanik
jyanik
at
kua.net >> Stay informed about: 95 Accord runs hot on freeway |
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External
Since: Aug 20, 2006
Posts: 1210
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(Msg. 19) Posted: Fri Jan 19, 2007 5:11 pm
Post subject: Re: 95 Accord runs hot on freeway [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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Jim Yanik wrote:
> jim beam <spamvortex.TakeThisOut@bad.example.net> wrote in news:L9-dnexQr-
> 2Ppy3YnZ2dnUVZ_vrinZ2d.TakeThisOut@speakeasy.net:
>
>> Jim Yanik wrote:
>> <snip>
>>> Maybe he's got a worn water pump too.
>> pump can't wear in a way that reduces flow - there's no parts that touch.
>>
>>
>
> is the impeller plastic or metal?
> IMO,plastic can degrade,even immersed in the coolant.
>
metal. you're right, it can corrode, but rarely does. i wouldn't call
degradation wear, but yes, that's possible. >> Stay informed about: 95 Accord runs hot on freeway |
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External
Since: Sep 02, 2003
Posts: 740
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(Msg. 20) Posted: Fri Jan 19, 2007 9:55 pm
Post subject: Re: 95 Accord runs hot on freeway [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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jim beam <spamvortex DeleteThis @bad.example.net> wrote in
news:V4-dnTJn2ZvG8SzYnZ2dnUVZ_sninZ2d@speakeasy.net:
> Jim Yanik wrote:
>> jim beam <spamvortex DeleteThis @bad.example.net> wrote in news:L9-dnexQr-
>> 2Ppy3YnZ2dnUVZ_vrinZ2d DeleteThis @speakeasy.net:
>>
>>> Jim Yanik wrote:
>>> <snip>
>>>> Maybe he's got a worn water pump too.
>>> pump can't wear in a way that reduces flow - there's no parts that
>>> touch.
>>>
>>>
>>
>> is the impeller plastic or metal?
>> IMO,plastic can degrade,even immersed in the coolant.
>>
> metal. you're right, it can corrode, but rarely does. i wouldn't
> call degradation wear, but yes, that's possible.
>
ISTR reading somewhere about a water pump impeller that had worn away.It
didn't say whether the impeller was plastic or metal.
also,I believe an old thermostat could open only part way,and pass -some-
coolant,but not enough,explaining why the heater core could dump enough
heat to keep the motor cool. I really do not believe a heater core can dump
enough heat -by itself- to keep a motor cool. Otherwise,there would be no
need for such a large radiator at the front.
--
Jim Yanik
jyanik
at
kua.net >> Stay informed about: 95 Accord runs hot on freeway |
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External
Since: Aug 20, 2006
Posts: 1210
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(Msg. 21) Posted: Fri Jan 19, 2007 9:55 pm
Post subject: Re: 95 Accord runs hot on freeway [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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Jim Yanik wrote:
<snip>
>
> also,I believe an old thermostat could open only part way,and pass -some-
> coolant,but not enough,explaining why the heater core could dump enough
> heat to keep the motor cool. I really do not believe a heater core can dump
> enough heat -by itself- to keep a motor cool. Otherwise,there would be no
> need for such a large radiator at the front.
>
it depends. it's all a matter of the energy that can be transferred per
degree of air temp difference. if the energy coming out of the coolant
is less than that which can be dumped through the heater matrix, then it
definitely can. you'd need to know the numbers to be sure. >> Stay informed about: 95 Accord runs hot on freeway |
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External
Since: Oct 30, 2004
Posts: 1802
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(Msg. 22) Posted: Fri Jan 19, 2007 9:55 pm
Post subject: Re: 95 Accord runs hot on freeway [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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"Jim Yanik" <jyanik.RemoveThis@abuse.gov> wrote in message
news:Xns98BDD3D9F42BCjyanikkuanet@64.209.0.84...
> jim beam <spamvortex.RemoveThis@bad.example.net> wrote in
> news:V4-dnTJn2ZvG8SzYnZ2dnUVZ_sninZ2d@speakeasy.net:
>
>> Jim Yanik wrote:
>>> jim beam <spamvortex.RemoveThis@bad.example.net> wrote in news:L9-dnexQr-
>>> 2Ppy3YnZ2dnUVZ_vrinZ2d.RemoveThis@speakeasy.net:
>>>
>>>> Jim Yanik wrote:
>>>> <snip>
>>>>> Maybe he's got a worn water pump too.
>>>> pump can't wear in a way that reduces flow - there's no parts that
>>>> touch.
>>>>
>>>>
>>>
>>> is the impeller plastic or metal?
>>> IMO,plastic can degrade,even immersed in the coolant.
>>>
>> metal. you're right, it can corrode, but rarely does. i wouldn't
>> call degradation wear, but yes, that's possible.
>>
>
> ISTR reading somewhere about a water pump impeller that had worn away.It
> didn't say whether the impeller was plastic or metal.
>
Some Fords have had problems with eroded impeller pumps. It isn't clear
whether the impellers are steel or aluminum, magnesium, or other metal, but
the picture I saw was clearly of metal. IIRC dissimilar metals in inadequate
coolant were involved.
Mike >> Stay informed about: 95 Accord runs hot on freeway |
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External
Since: Oct 30, 2004
Posts: 1802
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(Msg. 23) Posted: Sat Jan 20, 2007 7:43 am
Post subject: Re: Re: Re: 95 Accord runs hot on freeway [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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"pinkfloyd" <none RemoveThis @000.com> wrote in message
news:966203_4ae978ba86eac48389a773fcc49d4e93@autoboardz.com...
> "Michael Pardee" wrote:
>>
>>When you replace the radiator and thermostat, you can Set the
> Controls
>>for
>>the Heart of the Sun and still stay cool.
>>
>>Mike
>
> I apologize, but I don't understand about setting the controls for the
> 'Heart of the Sun and still stay cool'.
>
> Thanks for all your help. It is greatly appreciated.
>
"Set the Controls for the Heart of the Sun" is from 'Umma Gumma' - my fave
Pink Floyd album
Mike >> Stay informed about: 95 Accord runs hot on freeway |
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External
Since: Jan 20, 2007
Posts: 2
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(Msg. 24) Posted: Sat Jan 20, 2007 3:55 pm
Post subject: Re: 95 Accord runs hot on freeway [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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Anybody check to lower hose on the radiator,I have heard of a lower hose
that would collapse at high RPM from the water pump.
The lower hose contains a stint when new to prevent this from happening.
That stint maybe rusted away allowing this action to take place.
"Tegger" <tegger.TakeThisOut@tegger.c0m> wrote in message
news:Xns98BB64321E61Etegger@207.14.116.130...
> pinkfloyd <none.TakeThisOut@000.com> wrote in news:965002
> _e0d918b8d5f7b207ad5d229ebae4e321.TakeThisOut@autoboardz.com:
>
>> I have a 95 Accord which starts to run hot after about 15 to 20
>> minutes of driving on the freeway. It runs at normal temperature on
>> surface streets. I know for sure that the fans are working properly.
>>
>> I've taken it to 2 mechanics and one says it's the main fan motor and
>> possibly the thermostat. The other mechanic thinks the radiator needs
>> to be replaced due to a clog, and if not that, then it is most likely
>> the head gasket leaking. I'm really confused here. Any help would be
>> greatly appreciated.
>>
>
>
>
> If it runs fine on city street but not on the highway, it's most likely a
> clogged rad.
>
> A test: Next time it starts to overheat, turn the car's interior heater on
> full-hot, along with the fan on full-blast. Does this make the needle go
> down? If so, the rad isn't cooling properly.
>
> One thing to check is the fins at the bottom of the rad. If they corrode
> and turn to dust, the rad will be unable to shed heat efficiently.
>
> --
> Tegger
>
> The Unofficial Honda/Acura FAQ
> www.tegger.com/hondafaq/ >> Stay informed about: 95 Accord runs hot on freeway |
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