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i have the same problem. any solutions?

After a couple miles of driving the temperature gauge shoots to the H level and starts flashing, I go under the hood and check all hoses they all are normal temperature, the fan works normal and the engine isn't hot. I shut it off and restart and the gauge goes to the normal position. At other times it does the same again and then a few seconds later the gauge goes back to normal.
 

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stryder205 said:
i have the same problem. any solutions?

After a couple miles of driving the temperature gauge shoots to the H level and starts flashing, I go under the hood and check all hoses they all are normal temperature, the fan works normal and the engine isn't hot. I shut it off and restart and the gauge goes to the normal position. At other times it does the same again and then a few seconds later the gauge goes back to normal.
You problem have some air in the system..
 

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So air in the coolant hoses? If I took this to a mechanic shop and told them that my temp. gauge does that, would they know to flush the coolant and remove air? And is a mechanic's vacuum able to eliminate the air similar to the procedure listed above by Boosted. Thank you.
 

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Nice thread boosted. One thing, how much coolant is needed for the change? Have you seen this :http://www.kinwaymotorsports.com/index.do is that worth getting, or shall i just stick to the normal pink toyota stuff. my car has only done 48k on a 2001 model, but due to various reasons, ive had to fill lots of it with water when i lost coolant and ive heard for our engines this is bad... may also explain why my fan is kicking in more than usual.
 

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Great write up. I'm not sure but is this true I remember doing it awhile back but forgot exactly. I know it's in the shop manual but I just want to make sure. When you are filling the coolant before it levels off during each fill you have to start the motor to let the coolant cycle correct and during this process is it normal for the motors fan to turn on?

On your step here it says:

"Step 8
 

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So this write up just get rid of the air bubbles in the coolant? Isn't it neccessary to drain them first? I want to have a full flush.
 

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Discussion Starter #35
zheng17 said:
Open the reservoir cap and "the while bleeder" <<- what is the while bleeder?

there is a small white bleeder plug on the top of the coolant bottle.


zheng17 said:
anyone know?

These are directions on how to bleed air from the system not how to flush the coolant. This is what you do aster you drain the coolant. to drain it just open the petcock on the bottom drivers side of the radiator and remove the radiator cap.
 

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Discussion Starter #36
SLVR Stealth said:
Great write up. I'm not sure but is this true I remember doing it awhile back but forgot exactly. I know it's in the shop manual but I just want to make sure. When you are filling the coolant before it levels off during each fill you have to start the motor to let the coolant cycle correct and during this process is it normal for the motors fan to turn on?

On your step here it says:

"Step 8
 

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After doing all that steps.. start the car (Fan wont go on), let it idle for couple mins. turn the heater on, temperature should be fine but if it shoots up to "H".. open the reservoir main cap while the car still on.. and watch the gauge. It should go back to normal, after that fan will go on. and dont forget to close the reservoir before you slam the hood. It works for me, It should work for you.
 

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this thread i about "coolant bleeding" but does anyone know how to flush the coolanton a '00 GTS 2ZZGE? And when should the coolant be flushed? i live in NJ, where is very cold in winter, and very hot in summer. Also, is it vital to use toyota's coolant or can i use Prestone Coolant?
 

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Yes, use toyota coolant. You can follow the flush procedure in the PDF manuals. But, basically, there is a plastic screw directly under the right side of the radiator.

#1, remove the cap from the overflow reservoir
#2, get a 1 gal catch pan and lay down on the ground near the right of your car. (You won't need jacks for this job)
#3, unscrew the plug, and drain the radiator
#4, put a hose down the top of your reservoir, and add water for a good 5min or until the water comes out clear.
#5, use toyota coolant (yes it's different, and you have to buy it at the toyota dealership)
#6, measure 50/50 or 70/30 coolant + water, which ever you prefer depending on your situtation.
#7, dispose of the left over coolant at an auto store or recycling place.
#8, perform the coolant bleeding test as written in this forum page. (yes, jacking up the front of the car or doing it on a steep hill with the reservoir hanging as high as possible helps a lot!!!!)
 

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I'm trying to do this to my 00 Celica...all original...and I can't even get to the radiator drain plug to open it

there's what looks like a frame crossbar under the radiator that blocks me from getting the 10mm allen wrench in to loosen the plug...

...any ideas?
 
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