jim beam <spamvortex@[EMAIL PROTECTED]
> wrote in
news:KMSdnV0zeONlMCHanZ2dnUVZ_tqtnZ2d@[EMAIL PROTECTED]
> motsco_ wrote:
>> E Meyer wrote:
>>>
>>>
>>> On 2/20/08 11:03 AM, in article 13ron1td7br568a@[EMAIL PROTECTED]
>>> "motsco_" <motsco_@[EMAIL PROTECTED]
> wrote:
>>>
>>>> E Meyer wrote:
>>>>
>>>>> Seems like you're jumping the gun a little bit here. How low was
>>>>> it in the
>>>>> reservoir? When you say reservoir do you just mean the overflow
>>>>> tank, or
>>>>> the radiator?
>>>>> In normal use, the system will settle out to where the overflow
>>>>> tank sits at
>>>>> the "min" mark when the engine has cooled & the level will rise to
>>>>> around
>>>>> the "max" mark when the engine is hot & has been running for a
>>>>> while.
>>>> ----------------------------
>>>>
>>>> Where did you get this bit of misinformation? I've owned six Hondas
>>>> and the level in the reservoir never changes more than about 1",
>>>> hot or cold, summer or winter.
>>>>
>>>> If yours changes that much, there's something radically wrong from
>>>> what the Honda engineers designed.
>>>>
>>>> 'Curly'
>>>
>>> I get my bit of "misinformation" from the behavior of 27 different
>>> cars over
>>> a period 38 years. Where do you get yours?
>>
>> ---------------------
>>
>> Sorry, misinformation is a strong word.
>>
>> Volvos and Dodge products that I owned had pressurized reservoirs.
>> The coolant level in them went up and down with temperature, but the
>> HONDA isn't supposed to, since it's reservoir isn't under pressure at
>> all. Boiling hot coolant isn't supposed to take up much more room
>> than cold coolant, as long as the rad cap is keeping the pressure up.
>
> sorry, that's fundamentally incorrect. coolant liquid most definitely
> expands as it heats - for both systems. pressure doesn't stop coolant
> expanding, it simply raises the boiling point.
>
> http://en.wikipedia.org/wiki/Coefficient_of_thermal_expansion
>
>
>>
>> Since about '92 most Hondas will self-bleed any trapped air because
>> the rad cap is the highest point in the system. When any trapped air
>> is forced out, the air is supposed to bubble through the reservoir
>> and when the system next cools, the level in the reservoir drops as
>> coolant it drawn back in. That's when the owner is supposed to add
>> coolant up to the MAX mark on bottle. The owner's manuals and the
>> Helms service manual all tell the same story.
>>
>> However, none of this theory applies if there's a hole in a hose, the
>> head, the heater core, the water pump seal, or if the rad cap is
>> shot.
>>
>> 'Curly'
>
I think we all agree that this motor should not be losing so much coolant
so quickly.
IMO,a coolant DYE test is in order. see if and where there's a coolant
leak.
--
Jim Yanik
jyanik
at
kua.net
|
