Help!!!! Overheating and need to change thermostat
03-09-08, 05:35 PM
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Help!!!! Overheating and need to change thermostat
Hey guys,
I recently bought a 97 ES300 that sat for about 2 months with a blown radiator. I changed the radiator and drove it around for like two weeks and it was perfect. Then when the car would be cold and i would try to warm it up...the heat wouldn't come out warm. I would put it on the highest setting and it would take about a half hour for it to start to blow semi-warm air. Now i have driven it for a few more days after that and as i was pulling into a parking lot last night smoke starting pouring out from under the hood and the guage went to hot. When i opened the hood there was white smoke pouring out of the resovior hose into the resovoior (wierd). It was just smoke as if a tea kettle was boiling. There was a loud whistling/whining noise coming out of the hose too( probably from the white vapor coming out at high pressure). Please help with suggestions and also i plan on changing the thermostat tomorrow and have no idea where it is. So please direct me to exactly where the thermostat is as well. Thanks for all of your help in advance.
I recently bought a 97 ES300 that sat for about 2 months with a blown radiator. I changed the radiator and drove it around for like two weeks and it was perfect. Then when the car would be cold and i would try to warm it up...the heat wouldn't come out warm. I would put it on the highest setting and it would take about a half hour for it to start to blow semi-warm air. Now i have driven it for a few more days after that and as i was pulling into a parking lot last night smoke starting pouring out from under the hood and the guage went to hot. When i opened the hood there was white smoke pouring out of the resovior hose into the resovoior (wierd). It was just smoke as if a tea kettle was boiling. There was a loud whistling/whining noise coming out of the hose too( probably from the white vapor coming out at high pressure). Please help with suggestions and also i plan on changing the thermostat tomorrow and have no idea where it is. So please direct me to exactly where the thermostat is as well. Thanks for all of your help in advance.
03-09-08, 07:32 PM
#2
It bolts to the waterpump... follow the lower radiator hose to the engine and you will see the metal tube that goes into the housing... (3 bolts) It sounds like you got it very hot... I hope you didnt blow a head gasket...
03-09-08, 08:46 PM
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thanks for the respsonses, i don't think i blew anything i shut it off right away...is the thermostat change easy??? and i guess i'll change both caps as well....thanks guys
03-11-08, 06:55 PM
#5
Lexus Test Driver
^Not really but yea hopefully you didnt blow a head gasket. How are you checking the thermostat? If the lower hose dosent get hot, the t-stat is stuck closed. If the engine takes too long to warm up, it's stuck open. Pretty simple. But keep in mind that you will never get heat from a cold engine. Run the engine at 2000 with the fill cap off for a minute and see if you have heat now. A lot of people try to fill the system through the radiator and introduce an air pocket which is wrong.
Last edited by 92ES5sp; 03-11-08 at 07:00 PM.
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