 Coolant System Problem |
 Jan 16, 2013 - 4:27 AM
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Enthusiast Joined Jun 8, '12 From UK Currently Offline Reputation: 0 (0%)  |
Howdy. Got a UK '96 ST202 3S-GE.
Firstly, when I start the engine I can hear air bubbles circulating around the cooling system (happens about 3 seconds from ignition). I've checked that the coolant is fully topped up. On two occasions I haven't heard any bubbles.. when that happens, no hot air comes in and the engine temp rises above normal. When this has happened I've felt the pipes and found that the top pipe and top of the radiator is hot and the bottom pipe and bottom of radiator is cold. First time it happened I decided to get the thermostat replaced. Second time, I added coolant and gave the pipes a squeeze, which must've dislodged some air, because it started working again. Last night, I heard a few bubbles as usual and had heat as usual, but about 5 mins into the journey I gave it some welly up a hill, lost hot air and the engine started to overheat again. After a 5 min rest, I started the engine and heard LOADS of air bubbles circulate. Any ideas folks? Cheers. |
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Replies
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Jan 16, 2013 - 7:54 PM
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 Enthusiast Joined Jan 26, '12 From Kilkenny Ireland Currently Offline Reputation: 0 (0%) |
Id try replacing the rad cap and leave it idle for a while to let the air bubbles out thats the easyest option.
Then ya have replacing the termastat incase its faulty then all thats left after all that is the dearest which is the head gasket -------------------- Toyota Racing Development
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Posts in this topic
80gumdrops Coolant System Problem Jan 16, 2013 - 4:27 AM
yagamius QUOTE (80gumdrops @ Jan 16, 2013 - 3... Jan 16, 2013 - 6:28 AM richee3 Your coolant system is also air locked. Park the c... Jan 16, 2013 - 6:46 AM Special_Edy Do you have to periodically refill the coolant sys... Jan 16, 2013 - 10:55 AM nsxtypeR Check your radiatorcap. If this is worn, it causes... Jan 16, 2013 - 2:37 PM trdproven Radiator cap, leaking headgasket, thermostat is wh... Jan 16, 2013 - 7:33 PM trdproven with a radiator cap off, a good sign its a hg is w... Jan 21, 2013 - 7:49 AM 80gumdrops When I fire up the engine I've noticed that it... Jan 30, 2013 - 11:13 AM
xrav22 QUOTE (80gumdrops @ Jan 30, 2013 - 12... Jan 30, 2013 - 1:16 PM
trdproven QUOTE (xrav22 @ Jan 31, 2013 - 4:16 ... Jan 31, 2013 - 5:45 PM Galcobar QUOTE (80gumdrops @ Jan 30, 2013 - 9... Jan 30, 2013 - 6:24 PM Smaay as long as its not leaking, you dont need to chang... Jan 30, 2013 - 1:26 PM delusionz also sounds like the cooling system is full of gun... Jan 30, 2013 - 3:22 PM 80gumdrops Okay, the top pipe is hot and under pressure, so t... Feb 11, 2013 - 1:15 PM Galcobar If the main symptom is that your heater core isn... Feb 11, 2013 - 4:02 PM bsamps4 Check your cooling system for bubbles. If your coo... Feb 11, 2013 - 5:22 PM 80gumdrops Just had a head gasket sniff test. Head gasket is ... Feb 12, 2013 - 10:11 AM mkernz22 you should always fill your radiator up through th... Feb 12, 2013 - 1:00 PM Outsider I had to change my radiator due to it cracking(was... Feb 12, 2013 - 6:07 PM Galcobar QUOTE (Outsider @ Feb 12, 2013 - 3:0... Feb 12, 2013 - 8:22 PM mickeyc QUOTE (Outsider @ Feb 12, 2013 - 6:0... Sep 24, 2016 - 9:05 AM cyb593 NEW BUMP!! I know this thread is old but i... Feb 13, 2013 - 6:52 PM 80gumdrops Nailed it. It was an air lock somewhere by the hea... Feb 15, 2013 - 8:54 AM Bitter Put the front end of the car up and let it idle wi... Sep 27, 2016 - 9:16 PM trdproven all you gotta do is elevate the front end to make ... Sep 28, 2016 - 12:06 AM |
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