On Mon, 14 Apr 2008 23:11:02 -0700, EdV wrote:
> On Apr 15, 12:29 am, Hachiroku <tru...@[EMAIL PROTECTED]
> wrote:
>> On Mon, 14 Apr 2008 23:19:37 -0500, Carl 1 Lucky Texan wrote:
>>
>>
>>
>> > Hachiroku wrote:
>>
>> >> Been overheating. As some of you may have read, I tried the
Headgasket
>> >> in a bottle trick. It seemed to be working but when I took it out
for a
>> >> little cruise tonight it overheated. Here's what happens:
>>
>> >> The car will go along for a few miles just fine, small rises and
dips in
>> >> temperature, and then after 20 minutes or so the temp will begin to
>> >> rise. It then goes into full overheating, right to the top of the
guage
>> >> and stays there. Sometimes revving the engine more will get a little
>> >> cooling, and sometimes coasating will. But not always. Sometimes
revving
>> >> will raise the temp, and sometimes coasting will. OK, sounds like a
>> >> blown HG, and there was exhaust gas in the radiator back in
December.
>>
>> >> Now, this is the part I don't get: when you open the radiator cap,
the
>> >> radiator looks full. Also, tonight when I refilled the radiator, I
>> >> filled the opening where the cap is, and filled the other side where
the
>> >> 'bleeder' is. The radiator was full, and the overflow bottle was
full of
>> >> plain water.
>>
>> >> When I got back from my little excursion, all the coolant on the
bleeder
>> >> side of the radiator was...STEAM, and the filler neck side was full.
The
>> >> overflow bottle had coolant mixed in with the water. I refilled it
and
>> >> ran the engine for a while, and the temp climbed up to about 3/4 on
the
>> >> guage, and then settled right down to normal again. This is the part
I
>> >> don't get! Also the radiator was STONE COLD, even though the temp
was
>> >> elevated. Also, there was no heat; when I refilled the 'bleeder'
side of
>> >> the radiator, it took a while but the heat came back...HOT!!! I mean
>> >> HOT!!!!!!
>>
>> >> I'm stuck. It looks like, besides a BHG, I also might have a blocked
>> >> radiator.
>>
>> >> This car is worth $500 to me. That's about the most I will put into
it.
>>
>> >> Open to all suggestions...
>>
>> > Did you fill the system with the nose up and heater on max? Could be
a
>> > bubble in the cooling system. Though, of course, the 'bubble' could
be
>> > exhaust g*****.
>> > Did the o'flow bottle - um - overflow itself? When the system cools
off,
>> > does it draw back from the o'flow bottle? For a simple concept, there
are
>> > multiple ways for a cooling system to 'go wrong'. If coolant mixed in
with
>> > the water, AND coolant is sucked back from the o'flow when the engine
>> > cools off, probably the rad cap is OK. Is it new? How about the
>> > thermostat? Can you see bubbles in the neck if you run with the cap
off
>> > idling? probably exhaust g*****.
>>
>> > Anyway - sounds like you definitley did not get water flowing through
the
>> > heater core - so a plugged up radiator OR a gas bubble or a stucl
>> > thermostat are likley.
>>
>> > hmmm....
>>
>> > Carl
>>
>> Thanks, cARL. yES, THE NOSE WAS IN THE AIR WHEN i FILLED THE SYSTEM
(oops...)
>> HEater on MAX, and there also seemed to be a bubble, but the STEAM
coming
>> out of a stone cold radiator is what's really puzzling...
>>
>> I tried to get the bubbles out before I took off...ran it until the
T-stat
>> opened, and then added more, and then opened the bleeder.
>>
>> I guess my $9 Headgasket repair, didn't...
>>
>> So, I'm thinking, either new head gaskets (and plane the heads...?) or
>> another new motor (supposedly this one has ~125,000 miles on it...)
>>
>> It runs smooth, there is a very slight knocking noise sounding like in
the
>> center of the engine, very very slight.
>>
>> The bosy has 335,000 on it, that's why I'm not putting a lot into it...
>
> I recall you posted months back that you have a subie that you want
> the fans not to work during winter season because the engine gets very
> cold. And you said you only used the subie during snow season. Is this
> the same car? The engine gets very cold in winter and overheats in
> warmer weather?
Nice try! But no, this is a different one. The one with the pump driven
fan was the *OTHER* car I used the Genie in a Bottle stuff on, and that
one's running great. i never did swap the fan over; I have one, but that
car's coming off the road...since it's time...
http://www.geocities.com/ma71supraturbo/pictures/88front.jpg
http://www.geocities.com/ma71supraturbo/pictures/88tdash.jpg
http://www.geocities.com/ma71supraturbo/pictures/92t.jpg
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