2000 GTS heater blows cold at idle - Toyota Nation Forum : Toyota Car and Truck Forums
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#1 Old 12-12-2004, 05:01 PM
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Question 2000 GTS heater blows cold at idle

2000 celica gts, heater blows cold at idle, coolant was low, how do you bleed the system when filling coolant. I am thinking stat not working or water pump bad? stat hose remains cool. also looking for service manual.
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#2 Old 12-12-2004, 05:09 PM
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to bleed your coolant system take of your rad cap and fill your rad, then fill your reservoir until its just over the full line, then start your car, with the heat turned all the way on. if thers air in the system the coolant will start to drain down into the rad, this is the air moving to the top and out of the system. keep topping it off, until you notice that the rad isnt chugging coolant. once it seems to have stop taking coolant in, put the cap back on and see if the vents are blowing hot air. because the motor wil be cold itll take a little while for it to get hot. while doing this keep and eye on the temp guage to make sure that your motor isnt overheating (shouldnt be a problem) if you have your vents are blowing nice hot air, that means you no longer have air in your cooling system. once youve got heat take off the rad car one more time just to make sure the level isnt low (if it is top it off quick) then replace the cap and you should be good to go.
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#3 Old 12-24-2004, 03:50 PM
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Sounds like the easiest way to get out bubbles from the cooling system. I've heard this from other people from the newcelica.org site. To change the coolant you would drain and fill and drive around with a 50/50 mix of coolant. Stop every 5 min or so and fill the resevoir. Watch for overheating. Repeat. The bubbles will get pushed out of the sytem and make the reservoir appear low.
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