Radiator coolant BOILING in overflow tank - 1986 Camry

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Old 12 Jul 2003, 01:47 am   #1 (permalink)
Chemqueries
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Default Radiator coolant BOILING in overflow tank - 1986 Camry

Hi folks. I sure hope someone can help me. Today when I was driving I heard
what sounded like gurgling or bubbling coming from under the hood. I pulled
over, and it turned out to be radiator coolant boiling fast and furiously in
the overflow tank. I let the car cool down for about a half an hour. Then I
drove for another 20 minutes and the same thing happened. Do you know what is
causing this? Is it safe to drive the car to my mechanic or should I have it
towed? His shop is about 20 minutes from my house, but the weather is very hot
now, so I'm not sure whether it's safe to drive since it appears as if the
cooling system is not working properly.
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Old 12 Jul 2003, 05:02 am   #2 (permalink)
Conase
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Default Re: Radiator coolant BOILING in overflow tank - 1986 Camry

When it happened on my 92 Toy truck, I replaced the thermostat.

No problems after that.

Mine was a 15 mins. job due to a great design.

Most cars are not that well designed.
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Old 12 Jul 2003, 07:53 am   #3 (permalink)
Jim
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Default Re: Radiator coolant BOILING in overflow tank - 1986 Camry

On 12 Jul 2003 06:47:26 GMT, chemqueries@aol.com (Chemqueries) wrote:

>Hi folks. I sure hope someone can help me. Today when I was driving I heard
>what sounded like gurgling or bubbling coming from under the hood. I pulled
>over, and it turned out to be radiator coolant boiling fast and furiously in
>the overflow tank. I let the car cool down for about a half an hour. Then I
>drove for another 20 minutes and the same thing happened. Do you know what is
>causing this? Is it safe to drive the car to my mechanic or should I have it
>towed? His shop is about 20 minutes from my house, but the weather is very hot
>now, so I'm not sure whether it's safe to drive since it appears as if the
>cooling system is not working properly.


Could be that the radiator fill cap is leaking, and not pressuring the coolant, allowing it to
boil around 212 degrees, instead of the normal 250 or so. Check the rubber gasket.

Jim
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Old 12 Jul 2003, 05:53 pm   #4 (permalink)
Chemqueries
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Default Re: Radiator coolant BOILING in overflow tank - 1986 Camry

>From: conase@aol.commado (Conase)
>When it happened on my 92 Toy truck, I replaced the thermostat.


Hi. Thanks so much for your help. Guess what! It turned out that the problem on
my car was the thermostat, too. I was so relieved. I was really worried that it
was going to be a much more expensive job. It took longer than 15 minutes
though because we had to let the car cool down when I got there. He also
replaced the radiator cap just to be safe. It seems to be fine now.


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Old 12 Jul 2003, 05:55 pm   #5 (permalink)
Chemqueries
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Default Re: Radiator coolant BOILING in overflow tank - 1986 Camry

>From: cf@mindsproing.com (Jim)>Could be that the radiator fill cap is
leaking, and not pressuring the>coolant, allowing it to
>boil around 212 degrees, instead of the normal 250 or so. Check the rubber
>gasket.


Hi Jim. I took the car to the mechanic this morning, and it turned out to be
the thermostat, but he replaced the radiator cap as well. Thank heavens it
wasn't a more expensive job. Thank you so much for your help!


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