Question about 2006 Toyota Corolla

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Temp guage goes to hot rel quick and then drops back down but car runs fine and heater blows cold sometimes blows hot for afiew minutes and then back to cold raidiator fan goes on and off

Coolant is full top radiator hose hot bottom one cold

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Posted on Jan 02, 2017

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SOURCE: 1990 toyota corolla wagon 1.6 liter 5 spd. overheating

you've got a possible blockage in the head or block.

Posted on Oct 03, 2009

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SOURCE: my heater does not blow hot air, also the car temp

my 95 toyota camry heat don,t blow hot air the idel is at almost 2 and dont stand still what but the car runs how can i fix the heat

Posted on Feb 13, 2010

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SOURCE: recently replaced radiator in 2000 tacoma. now

you might want to ceck the thermostat on the truck. or if you replaced with a used radiator. It may not be the right one for the truck or might be a bad one also

Posted on Sep 22, 2010

  • 1 Answer

SOURCE: 2007 corolla does not give off heat, blows cold.

Having same problem. Turn knob to full heat, it blows Luke warm to cold air. Cycle the knob a couple times and rev engine to 5 / 6 RPM and it starts blowing hot air.

Posted on Nov 28, 2011

redds55
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SOURCE: 2003 camry new thermostat new radiator cap pushing coolant to overflow.

thermostat is not opening

Posted on Jan 15, 2012

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The vehicle is 2004 buick century. sometimes the temp guage rises and comes back down. during this time, clod air blows. sometimes the temp guage is 1/2 way and cold air blows. thermostat has been changed....


is your electric fans running constantly. and most times then not you`ll need a water temp sensor or water temp relay. usually the temp sensor on that model comes usually next to the thermostat with a little wired plug on top. or on the radiator. either way pull the plug while the motor is cold. unscrew the sensor and screw the new one in and replace the electric plug back on top of the sensor. 2 things: Cold motor, have every thing set up and ready because when you take out the sensor the coolant will start to come out. you will not loose much if you work quick. keep rags or paper towels below the sensor to keep coolant off the motor and smelling when it gets hot. you have also pour or hose off coolant after your done installing the new coolant temp sensor.

Feb 10, 2014 | 2004 Buick Century

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My 2008 dodge ram temp gauge goes from normal to high ,check gauge lite comes on in a few minutes temp gauge goes back to normal but heater will only blow cold air I,ll shut heater off wait a few minutes...


Souds like it's way low on coolant. The heater will blow cold air when the cooling system is so low that there is no water (coolant) running through the heater core. Then the thermostat opens, it trys to be normal but the system is low so it gets too hot in just a few minutes. If its that low, there must be a leak somwhere.

Nov 05, 2013 | 2008 Dodge Ram Pickup 1500

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00 Ford Focus runs cold


Am sure you have a thermostat stuck open, i suggest replace it and make sure the aantifreeze is in the correct level.

Dec 09, 2011 | 2000 Ford Focus

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My 1999 Chevy Malibu runs hot? It started when it overheated. We changed the thermostat, then water pump, then temp sensor gauge and the temp gauge goes high but only when the heater stops blowing hot...


Air pockets will make the guage do that, and also cause your heat to come and go. Also, a poor radiator, as in rotting, or plugged up, will cause high temperature issues.

Sep 20, 2011 | 1999 Chevrolet Malibu

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Ford mondeo mk3, intermitent dumping of water from cooing system,found crack in header tank, changed same,ran car at idle, temp guage at normal & heater blowing hot , took car for run , temp guage off...


You may have an air pocket in your system which some times happens.  One way to get rid of it is to take the upper hose off on the engine side,  fill your system with water until it runs out from your engine block, replace the hose, start your car turn you heater on and set to hi keep the radiator cap loose until the temp start to rise then close tight.  Once the air pocket had been remover you can drain some of the water from the radiator using the lower drain plug and add antifreeze.   

Mar 09, 2009 | 2001 Ford Taurus

1 Answer

2000 Elantra Overheating


First when vehicle is cold like in the morning check and make sure that the vehicle has enough coolant/ antifreeze in radiator and reservoir. If coolant is need use a 50/50 mixture of water and antifreeze. You will need some time to do this let car run at idle until the temp guage is in the middle NOT+ normal operating temperature. At this point if the thermostat should be in the open position. Let vehicle run and check to make sure that radiator fan comes on. This should come on when guage is about midway/half way. If temperature rises above half going to h/hot and fan doesn't come on, you either have a BAD FAN BAD FAN SWITCH BAD FAN RELAY OR BLOWN FAN SWITCH FUSE. You will need to check all of the following I will help if its needed. If fan comes on and doesn't go off and vehicle continues to get hot even with fan running. Feel radiator hoses and see if the lower radiator hose is cool/cold. If it is you have thermostat that stuck closed. Replace thermostat and fix problem. If all the above is good and vehicle continues to over heat. THE BAD NEW IS THAT YOU MAY HAVE A BLOWN HEAD GASKET /CRACKED HEAD /BROKEN WATER JACKET. Basically you will need a HEAD JOB at least a head gasket. ONe tell tail sign of this is oil looking like milkshake/chocolate milk-a creamish while residue in oil or antifreeze. Contact if you need hel0p. Good Luck and thanks for using FIX YA

Jan 10, 2009 | 2000 Hyundai Elantra

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