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sleeker162
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brisbane
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May 2003
icon13.gif  boiling noises 86 celica Sun, 11 January 2004 12:01 Go to next message
st 162 sx 86 celica with the 3sge. just parked it then shut it off and all i can hear is boiling, put my hand on the hood and i could feel the vibrations!!!! popped the hood to have a listen and a look, cant see any coolant (but i can smell it like its dropped the whole lot) no steam, whats going on???? sounded to be comming from the head near all the water sensor elbow, hasnt dropped any water yet, and the temp gauge says it's running just fine, any ideas guys? Crying or Very Sad
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sleeker162
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Re: boiling noises 86 celica Sun, 11 January 2004 12:02 Go to previous messageGo to next message
oh and by the way it hadnt been thrashed previous to the boiling in case you were all wondering
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BlackSupra
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August 2002
Re: boiling noises 86 celica Sun, 11 January 2004 12:07 Go to previous messageGo to next message
thermo fans?
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sleeker162
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Re: boiling noises 86 celica Sun, 11 January 2004 12:08 Go to previous messageGo to next message
they are both working fine
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BlackSupra
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August 2002
Re: boiling noises 86 celica Sun, 11 January 2004 12:11 Go to previous messageGo to next message
have u replaced the clutch fan with a set of thermos triggered to only operate at certain temps?
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sleeker162
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May 2003
Re: boiling noises 86 celica Sun, 11 January 2004 12:13 Go to previous messageGo to next message
ummmmmm....... as far as i know its a stock set up, the 2 thermos on the back of the radiator, i dont know much about this clutch fan ur talkin about
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BlackSupra
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August 2002
Re: boiling noises 86 celica Sun, 11 January 2004 12:21 Go to previous messageGo to next message
http://www.geocities.com/ifli4u/jza61thermos.jpg

That is my setup. Im not too familar with a setup on a 3S to tell you the truth, but the issue i had was my temp would read normal and in the middle (not overheating) yet if the fans were off just before i turned the car off the coolant would boil.


Solution was to run the thermos all the time, until i get a better idea or a thermo switch.
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sleeker162
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Re: boiling noises 86 celica Sun, 11 January 2004 12:25 Go to previous messageGo to next message
i know the wiring for my thermos is a bit dodgy, that might be it maybe, i swear they were running though..... well i guess i'll have to wait n see what happens....
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Phrozen_Death
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Location:
Tamworth
Registered:
October 2002
Re: boiling noises 86 celica Sun, 11 January 2004 23:17 Go to previous messageGo to next message
to my knowledge there is one fan that cuts on and off with the temp, and the other does the same thing but only when the a/c is turned on, mine used to do the same thing but i found out that my radiator was full of shit took it in to get serviced and the cores cleaned and it fixed that problem

cheers nathan

if you find out you need a new radiator i have one for sale
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thechuckster
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February 2003
 
Re: boiling noises 86 celica Mon, 12 January 2004 00:23 Go to previous messageGo to next message
sleeker162 wrote on Sun, 11 January 2004 22:01

st 162 sx 86 celica with the 3sge. just parked it then shut it off and all i can hear is boiling, put my hand on the hood and i could feel the vibrations!!!! popped the hood to have a listen and a look, cant see any coolant (but i can smell it like its dropped the whole lot) no steam, whats going on???? <snip rest>


could be the radiator cap venting excess pressure into the overflow bottle - so you can smell the hot fluid from the breather on the bottle, but the bottle keeps the fluid - it should be sucked back into the radiator when the beast cools down.

but ... if it's continually venting excess pressure, or venting at a lower-than-usual tempt, then it's time to:
flush/clean the cooling system
replace the radiator cap


charles.
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RobST162
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Epping, Sydney
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April 2003
Re: boiling noises 86 celica Mon, 12 January 2004 01:54 Go to previous messageGo to next message
so your temp guage was fine huh?

bizzaro. I had the problem, and it was the wiring for the thermo fans (take the little plug off theback of the thermostat and ground it with the ignition "on".. .the fans should turn on.

and then I found out that my thermostat was opening late and my water pump was leaking.. ahhh Smile but that was all ages ago, and my temp guage was showing me that I was overheating too.. so different problem I guess.

the radiator cap solution sounds like a good one. it would make sense.. boiling without overheating..

that's all I can think of Smile
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sleeker162
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May 2003
Re: boiling noises 86 celica Mon, 12 January 2004 02:14 Go to previous messageGo to next message
so can i leave this for a week or so providing im just making short trips in my car?
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thechuckster
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February 2003
 
Re: boiling noises 86 celica Mon, 12 January 2004 02:18 Go to previous messageGo to next message
i would keep a watch on:
quality of coolant (correct colour, no oil pollutants, no floating rusty shit)
radiator is full
overflow bottle at full mark when hot

charles
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RobST162
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Location:
Epping, Sydney
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April 2003
Re: boiling noises 86 celica Mon, 12 January 2004 02:23 Go to previous message
well if your temp guage is working ok and the car doesn't 'overheat' short trips would be ok I reckon.

So you haven't had the coolant changed recently? (ie, potential air in the system?)

But you need to find out what is doing it. Try a diff radiator cap if the old cap is leaky. To get air out of the system you could always run it with the cap off in the driveway till it gets up to heat and give it the odd rev to try and push the air out... just an idea.. (don't forget to put the heater on "hot" in the car while you do this)

Rob
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