From: Knobdoodle on

"Phil S" <philsearl(a)wideband.net.au> wrote in message
news:45d18971$1(a)news.eftel.com.au...
> justAL wrote:
>> I believe Nev is trying to say.
>> It came from the radiator....ie. It was doing it's job.
>>
> No it didnt come from the radiator. The coolant bottle emptied. The next
> day I had the bike serviced and the radiator was still full. Surely if it
> had come from the radiator its level would have dropped. The Honda dealer
> had no real answer.
>
The answer should've been "that's 'cause it sucks it back in when it cools".
That's what the "overflow" is for: it hold the extra that doesn't fit in the
cooling-system when it's all expandified.
When it's coolificated again it sucks some back in (otherwise it'd collapse
your radiator)
--
Clem

--
Clem

"If I don't answer you, it's because I believe my point has been made in the
current post or others on the subject or that the points of argument
presented are illogical." ..... Toosmoky


From: Knobdoodle on

"Beefhooked" <garybull(a)nospambigpond.net.au> wrote in message
news:45d19b77$0$34576$c30e37c6(a)ken-reader.news.telstra.net...
>
> "Nev.." <idiot(a)mindless.com> wrote in message
> news:45d19747$0$31877$5a62ac22(a)per-qv1-newsreader-01.iinet.net.au...
>>> Phil
>>
>> It's a sealed system with only one overflow point. When the engine
>> overheats, the water expands from the radiator into the coolant overflow
>
>
> So what your saying Nev is that water expands when heated?
> Interesting...
It also expands when cooled below zero!
[cue Twilight-Zone music]
--
Clem


From: Nev.. on
Beefhooked wrote:
> "Nev.." <idiot(a)mindless.com> wrote in message
> news:45d19747$0$31877$5a62ac22(a)per-qv1-newsreader-01.iinet.net.au...
>>> Phil
>> It's a sealed system with only one overflow point. When the engine
>> overheats, the water expands from the radiator into the coolant overflow
>
>
> So what your saying Nev is that water expands when heated?
> Interesting...

It must. How else could a pressure cooker work?

Nev..
'04 CBR1100XX
From: BT Humble on
Phil S wrote:
> Recently on two days over 37 degrees when stopped at the end of a trip
> the coolant from the overflow bottle on my Honda VTR 1000 overflowed (I
> suspect it boiled from the temperature from the surrounding engine).
> There was no problem with the radiator and it didnt boil over into the
> overflow coolant tank. . I think it is purely from the location of the
> coolant reservoir between the cylinders of the engine. Has anyone elso
> had this problem.

Make sure that your thermo fan is coming on, and possibly check that
your thermostat and temp sender are working correctly.

Also, how many km has the engine done? I started to get similar
symptoms from my GPX250 at about 120,000km when the rings were getting
worn.


BTH

From: Toosmoky on
Phil S wrote:

> Recently on two days over 37 degrees when stopped at the end of a trip
> the coolant from the overflow bottle on my Honda VTR 1000 overflowed (I
> suspect it boiled from the temperature from the surrounding engine).
> There was no problem with the radiator and it didnt boil over into the
> overflow coolant tank. . I think it is purely from the location of the
> coolant reservoir between the cylinders of the engine. Has anyone elso
> had this problem.

Not since I replaced the water pump that had no vanes left.

(Thanks to the mech that cleaned the running pump with a screwdriver...)

--
Toosmoky
Work to ride, Ride to Work...
http://toosmoky.d2.net.au
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