Question about 1985 Toyota Celica

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Engine Overheating I have replaced the water pump and also the thermostat and flushed the radiator. It has been sitting for the past year in somebodys garage. The water pump replacement has not worked. It will drive for so long and then overheat and spew all of the coolant out of the reservoir tank all over the ground. Head gasket? Bad Radiator? Also the parking lights are not working nor are the interior lights, they are on the same fuse. But the previous owner has a wire running from the fuse for the interior and tail lights into the compartment. totally confusing. would like some help. Thanks

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  • celica85 Dec 06, 2008

    What is a temperature control sensor. Do you mean the thermostat? We replaced that too.

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Have you tried replacing the TCS ? ( temperature control sensor.)

Posted on Dec 06, 2008

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When you replaced the thermostat did it have a little brass bypass valve next to the actual thermostat valve? If not you were not given the right part, there was a part update to deal with one overheating problem. Most dealers don't find the right one in their system, I don't know why it isn't cross referenced. I had my GTS checked by three different dealers in three different cities (I move around alot) and none of them were aware of the the update. They each made some adjustment or changed the thermostat and the overheating seemed to be fixed for a while. I finally found about the part change online. I bought my 85 convertible as it rolled off the truck, I just had to wait 15-20 years for the internet to be able to figure it out myself. ;-)

The correct part number is 90916-03070.

Posted on Dec 31, 2008

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