Question about 1999 Ford Taurus

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My keeps running hot and leaking antifreeze it causes my radiator cap to blow off

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Thermostate stuck,fan not working or blockage in water jacket

Posted on Feb 26, 2009

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Get the thermostat changed.

Posted on Feb 26, 2009

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Blows cold air from heater


Some things it could be but not specific to your vehicle.
Do you smell antifreeze? Engine temps running hot? Has it run hot?
No antifreeze in radiator, when cold take radiator cap off and look to see if it is full. add as needed in radiator and overflow container.
Heater control valve not working properly or inop.
Clogged heater core. Leaking heater core-heater core bypassed.
Heater box door not operating properly or inop.
Vacuum leaks or broken lines/cables.
Intake manifold leaks
Clogged radiator
Could be many things, checks/tests need to be performed to determine the cause either by you or a certified repair shop.

Feb 05, 2016 | 1994 Pontiac Grand Prix

1 Answer

Heater not blowing hot air


air in the system. or dirty blocked radiator and heater cores. put a radiator flush in it. run it for 20 miles then drain it. refill with 50/50 mix of antifreeze .now bleed it. this is done by turn your heater on full.with the expansion bottle cap off .run the engine till water getting hot . with finger and thumb push in the hose to push air out of the radiator hose into the expansion bottle .then refit the cap.

Dec 21, 2013 | 1998 Ford Expedition

2 Answers

My sunfire overheats and leaks out overflow everytime i drivee it.i changed water pump,thermostat the fan is working fine and had a water pressure test done last mth


DID YOU BLEED AIR OUT THE COOLANT SYSTEM.TO BLEED COOLANT SYSTEM, FILL THE COOLANT SYSTEM THROUGH THE RESERVOIR TANK OR THE RADIATOR UNTIL THE FULL COLD MARK IS REACHED.BESURE TO USE 50/50 HALF WATER AND ANTIFREEZE.YOU CAN BUY ANTIFREEZE THAT IS ALREADY PREMIX 50/50.AFTER ADDING ANTIFREEZE TO RESERVOIR OR RADIATOR FILL RADIATOR TO FULL MARK OR IF YOU DONT HAVE RADIATOR CAP ON RADIATOR POUR ANTIFREEZE IN THE OVERFLOW JUG UNTIL COOLANT LEVEL STAY THE FULL COLD MARK.WAIT AWHILE UNTIL COOLANT LEVEL STOP DROPPING.NOW INSTALL THE RADIATOR OR OVER FLOW JUG CAP.START THE ENGINE AND ALLOW IT TO RUN UNTIL NORMAL OPERATING TEMPERATURE IS REACHED AND THE UPPER RADIATOR HOSE BECOME HOT.STOP THE ENGINE AND OBSERVE THE COOLANT LEVEL IN THE OVERFLOW JUG. THE COOLANT LEVEL SHOULD BE AT THE FULL HOT LINE.ALLOW THE ENGINE TO COOL UNTIL THE AMBIENT TEMPERATURE IS REACHED THEN CHECK THE COOLANT LEVEL IT SHOULD BE AT OR ABOVE THE FULL COLD LINE.ADD MORE COOLANT IF NECESSARY. WARNING BECAREFUL WHEN OPEN THE RADIATOR CAP OR JUG OVER FLOW CAP.USE A LARGE RAG OVER THE RADIATOR CAP TO KEEP FROM GETTING SCALDED.OPEN RADIATOR CAP A LITTLE AT A TIME TO KEEP FROM GETTING SCALDED.WAIT UNTIL ENGINE COOL DOWN BEFORE OPENING RADIATOR CAP OR OVERFLOW JUG CAP.WEAR SAFETY GLASSES.

Jul 12, 2011 | Pontiac Sunfire Cars & Trucks

2 Answers

My heater blows cold air when car is stopped. i have installed a new water pump and the radiator is full of water.


you still have air trapped in the cooling system. Get front of car as high up as you can on a hill. Cold engine - loosen radiator cap, fill with 50/50 antifreeze mix. Start engine and run until upper radiator hose is hot (thermostat open). Engine should burp air and maybe spill some coolant, that's ok. Once burped, tighten cap, shut off engine and let it cool down while keeping the reservoir full. It will **** coolant out of reservoir as it cools. Keep it full.

If still cold air, take to a shop that has evac/fill equipment; they will **** air out and repalce with coolant. About $80.

gerry

Jan 26, 2011 | 1989 Mercury Colony Park

2 Answers

I have a 2010 ford escape..prob started as a coolant leak..took it to ford dealer, they repl water pump..a week later we noticed when u stop a red lite heater starts blowing cold air..took back to...


The performance of the heater indicates low coolant level. Pretty strange about the multiple water pumps, but if is is under warranty, you need to keep going back to the dealer. They must be missing something...

Dec 16, 2010 | 2008 Ford Escape

1 Answer

Heater blows hot air while car is moving but cold air while idling. The intake manifold was changed last spring, the thermostat has been changed 3 times and the temperature sending unit has been changed....


That sounds like the coolant level is low. If it is not the use of "stop leak" has probably caused a partial clog which restricts the flow of water unless the vehicle is turning higher RPMS. While sitting still raise the RPMS to about 2000 and see if the heater blows hot air to see if the above mentioned problems are fact.

Nov 21, 2010 | 2002 Chevrolet Impala

1 Answer

How do I change a thermostat in a 2001 New Beatle VW


First you should drain the antifreez by opening the drain plug located by the lower radiator hose. Then take the upper radiator hose off. Then take the 2 bolts out that hold the housing on. Remove the housng and there is your thermastat. Accordind to VW they want you to put antifreeze on the o-ring I use RTV a little extra help sealing just don't put a lot on. The book says to put thermastat in housing and turn 1/4 turn to right. I'm not sure why but thats what it says. TIP If you close the drain plug now and put as much antifreeze in as you can makes it easyer to get air pockets out later. Mount your therrmostast housing back to block and tighten bolts. Again put as much antifreeze in that you can them put upper radiator hose back on. Again put as much antifreeze in that you can. Now come the hard part sometimes getting all the air out of the cooling system. Put the radiator cap on but loose run the engine till the cooling fan kicks on but keep checking the coolant level. WARNING ANTIFREEZE WILL GET ABOVE 200 DEGREES
both upper and lower radiator hoses should be hot and radiator full. If both hoses aren't hot you have an air pocket that you have to get out. To do this run the engine a couple minutes after the fan kicks on then turn engine off for 5 or 10 minutes and start over keep doing this till both hoses get hot and the air the fan is blowing is hot. Once this is doe yout ready to go. I hose off any antifreeze that got one car so if you see antifreeze under car you know something is leaking and not what was spilled. 254a047.pnga06a9b1.png

Oct 20, 2010 | Volkswagen New Beetle Cars & Trucks

2 Answers

Car is still over heating, have replaced heat sensor switch,fuel sensor switch,fuel air sensor and flushed the radiator.


Have you changed out the thermostat and checked for exhaust blow by from a head gasket leak? One quick way to check for blow by would be if you start the car with the cap off on the radiator and see if antifreeze begins to rise up in the radiator before the engine warms up. Exhaust leaking into the water jacket will bubble up through the radiator. This hot exhaust gas will cause you to overheat. A stuck thermostat will keep the antifreeze from ever reaching the radiator to cool down also causing you to overheat.

Jun 06, 2010 | 1996 Chevrolet Corsica

1 Answer

My hyundai tiburon keeps running hot even after i have changed the thermostat and housing, water pump, and a mechanic said nuthng looks wrong with my radiator. what else can make it run hot?


COOLING FAN NOT WORKING.OR A LEAKING HEAD GASKET.MAKE SURE YOU HAVE 50/50 ANTIFREEZE AND WATER.BAD RADIATOR PRESSURE CAP.SLIPPING WATER PUMP DRIVE BELT.LOW COOLANT.

Apr 25, 2010 | Hyundai Tiburon Cars & Trucks

1 Answer

The heat only blows when its going down the road


When the engine is cool, remove the radiator cap and check the coolant level in the radiator. It should be filled right up to the top. If it isn't, add water or antifreeze until it is full. Re-cap the radiator, run engine until hot, check to see if heater works now. You'll also want to look carefully for leaks around your radiator and its hoses.

Jan 23, 2010 | 1998 Oldsmobile Aurora

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