Question about 2000 Ford Taurus

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No heat-changed heater core, changed water pump, flushed cooling system. car does not overheat, but blows no heat. what might be the problem?

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If you have changed you said the olny thing left would be thr thromostat is not opening for some reason Then no heat would get from the engine back to the radiator But im supprised that your not having a over heating problem What dose the engine temp gauge read when the engine hot and idiling

Posted on Nov 09, 2010

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1 Answer

2001 VW Beetle heater not heating.


If both your heater hoses are hot, the heater core is circulating fluid. If only one is hot, and one is cool-then the core is plugged or has an air block, or a valve in the heater line is closed if that applies.
If the engine stays at normal operating temperature, doesn't overheat at all, there should not be a problem with the water pump.

The problem may be with the doors in the heater case not operating properly.

Nov 26, 2013 | Cars & Trucks

1 Answer

Heater core is working properly but car will not blow hot air only cold air i am thinking the flapper that controls hot \ cold is stuck in the cold air position


To troubleshoot this types of problem,click the link below :----http://howtobyme.blogspot.in/2012/02/heater-blows-only-from-defrost.html
--------Go through the procedure to confirm the issue.

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Engine Overheats and heater blowing cold?

http://howtobyme.blogspot.com/2011/11/engine-overheats-and-heater-blowing.html

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Heat blows cold on drivers side and hot on passenger side?

http://schematicsdiagram.blogspot.com/2011/12/heat-blows-cold-on-drivers-side-and-hot.html

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This will help.Thanks.

Jan 25, 2012 | 2001 Buick LeSabre

3 Answers

No heat , replaced radiator , water pump, rad. cap , hoses and flushed system twice.blows cool air.whats left?


Thermostat.? if you haven't? Do it first then try it. While the car is running for a while touch the heater hoses that lead to the firewall. if one is cold and one is hot? You have a blocked Heater core. Follow the hoses back to the engine. Unconnect them both. By using a garden hose flush out the heater core do one side and then reverse by doing the other hose Lots of junk will come out so be care ful. Mistake people make is "Flushing the system" That doesn't mean your flushing the heater core.
Seeing that you have done everything else it could be the thermostat which you didn't list or the heater core being clogged. When you finished installing the thermostat and flushing the heater core out. Replenish the coolant system . If you have a bleeder on the thermostat housing? use it . loosen it and top off the fluid until you see fluid comeout of the bleeder. The system being air bound would cause no heat..

Jan 10, 2011 | 2000 Buick LeSabre

1 Answer

Heater blow cool air at idle


try flushing the cooling system. sounds like the heater core may be all gumed up inside. could also be the water pump starting to fail.

Feb 05, 2010 | 2002 Nissan Maxima

2 Answers

2004 Chevy Impala no heat. Fan OK. Engine warms up in normal time. 1 heater hose hot other one is not. Adjusting the heater control doesn't do anything. What controls the flow of water through the heater...


Your heater core is clogged. You can fix it. Disconnect the two heater hoses and put one into a bucket. Use an air compressor to blow into the other - it'll flush the contents into the bucket. Then reverse it - put the hose you blew into, in the bucket, and blow into the one that was in the bucket. This way, whichever side of the core had the clog, you can blow it out. Reconnect the heater hoses, and then burp the system or you can end up with air bubbles in the cooling system that can cause you to overheat. Click my screenname, go to Tips and Tricks, and follow the procedure there - it'll walk you through the whole procedure step by step.

Dec 23, 2009 | 2004 Chevrolet Impala

2 Answers

1999 Grand am GT keeps trying to overheat the heater blows cold and then it"ll kick heat on cooling the car down i've had intake gasket thermostate water pump replaced and the radiater flushed twice alond...


sounds like your either low on coolant or a possible blown head gasket, the head gasket will create too much pressure in the cooling system and blow your coolant out of the overflow and fill the heater core with air causing the heater to be cold or your just low on coolant due to a leak or improperly filled cooling system. so fill the cooling system resovoir while vehicle is running while keeping the level at "full hot" line until the fans have come on and gone back off (a/c and defrost must be off) then drive on the interstate until the heater gets hot. if the vehicle tries to push the coolant out while filling the system headgasket is a definite possibilty. BE CAREFUL COOLANT GETS HOT!!!

Nov 24, 2009 | 1999 Pontiac Grand Am GT

1 Answer

Heat 2001 dodge durango


a bad heater core will just leak. it could leak alot. do you ever smell antifreeze? check the coolant level. it can get pretty low before it will overheat. the thermostat should be ok but there could be corrosion. when you had the water pump replaced was the cooling system flushed? 2001, its probably due for a flush. what coolant does it take? (green or orange)

Jan 17, 2009 | 2001 Dodge Durango

1 Answer

The heat system is broken


Hi,

You haven't said what is actually wrong with the heat system (there can be several different failures). For the time being I'll assume the fan blows plenty of air but the air is always cool/cold regardless of where the heat temperature selector is positioned.

The most common cause on these cars is a plugged heater core. With the engine at normal operating temperature, feel the heater core hoses (under-hood, mid/lower portion of firewall, access from passengers side). They should both be very warm. If not expect blockage in the heater core.

While a replacement heater core along with a good cooling system flush is the ultimate cure, reverse flushing the heater core will restore heat. This can be accomplished with a garden hose. Disconnect both heater core hoses (not with the engine hot as the coolant get very hot!!) and connect a garden hose. Turn on the water supply to flush the core. Flush the core in both directions (by hooking the hose to one side of the heater core and letting the water run, then disconnecting and connecting to other side of the heater core...). An old garden hose with end cut will work fine if your existing hose will not fit over the pipe (plumb it together anyway you can).

The heater core sits rather low in the cooling system. This means crud in the system will settle there eventually causing blockage. If you flush the core the crud will eventually cause blockage again. Reflushing will work over and over again if saving money is the primary goal.

If this is not the problem, the blend air door is probably not working.

Reply and we'll continue. I don't want to repeat things that have already been done, as $2000 should of covered both things I have mentioned.

Nov 19, 2008 | 1999 Ford Taurus

1 Answer

94 jeep wrangler overheating


Have the cooling system pressure tested. If it holds pressure, that's a good thing. If it doesn't hold pressure, you may have a leaking head gasket. What may be happening is the crack in the head gasket could be blowing hot air into the cooling system causing it to overheat.

Sep 27, 2008 | 1994 Jeep Wrangler

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