Question about 1998 Ford Taurus

1 Answer

Still very low heater output after changing thermostat, water pump. Blend door ok. car does not run hot. takes a long time for temp gauge to read from cold

Posted by on

Ad

1 Answer

  • Level 1:

    An expert who has achieved level 1.

    Hot-Shot:

    An expert who has answered 20 questions.

    Corporal:

    An expert that hasĀ over 10 points.

    Mayor:

    An expert whose answer gotĀ voted for 2 times.

  • Contributor
  • 25 Answers

These Tauruses had a problem with the heater cores plugging up, blowing out the head gaskets and no heat issues. Ford issued a TSB#98B26 (Tech Service Bulletin) to modify water pump and install a heater hose bypass tube. I would start by completely flushing the system with a good flush. Then reverse flushing the heater core. Refill the system and add a good additive. Also you can install the heater bypass tube as described in the TSB. The last one I did ran around $90 and 2 hours labor. Hope this helps you out.......

Posted on Oct 22, 2009

Ad

1 Suggested Answer

Anonymous

SOURCE:

Hi there,
Save hours of searching online or wasting money on unnecessary repairs by talking to a 6YA Expert who can help you resolve this issue over the phone in a minute or two.

Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.

Here's a link to this great service

Good luck!

Posted on Jan 02, 2017

Ad

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

New blend door new heater core new water pump still bllowl cool air


Are the heater hoses getting hot after 10 min of run time ?
Is the temp gauge showing the engine is warming up normally ?

Jan 16, 2014 | 1998 Ford Windstar

1 Answer

Why doesn't my car get up to operating temperature?


Well the first question would be what does the temp gauge on the dash show after you have run the engine for 5 or 10 min ?
If the gauge is in the middle of the temp range the engine is getting hot and either the heater core is stopped up or you have a problem with the blend door under the dash.
If the temp gauge is staying around the cold mark the thermostat is not closing to warm up the engine.
I am assuming the radiator is full of coolant.

Jan 28, 2013 | 1997 Ford Thunderbird LX

2 Answers

How can I tell if my heating problem is the thermistate and not the heater core?


The simplest way to tell if you got a thermostat problem is to take note of the temperature gauge , if you have owned the car for awhile you should know were the temperature gauge normally runs when the car is warmed up, it should be running in the same place on the gauge, if its running much lower its a good indication that you have a thermostat problem, if you have serviced the cooling system every 30,000 miles or so you should not have a bad core but it is still possible, these cars do have problems with the blend door motor or blend door its self , you can tell if this is possibly the problem if you warm up the car (this is only if the temp gauge shows its running at a normal temperature)then turn the temperature knob on the dash from the coldest point to the highest hot while holding your hand over air flow outlet you should notice a very noticeable change in temperature when moving from hot to cold if not that"s a good indication that you have a blend door or blend door motor problem.if you have a blend door or blend door motor problem problem you mite want to take it to a shop because to repair it requires complete removal of the dash assemble to gain access to the heater box, also I should tel you that if you can get to the heater hoses ( under the hood ) were they enter into the car , make note of the temperature, they should both be pretty much the same temperature, good and hot to the touch,if not its very likely you have a plugged heater core,(as long as at least one hose is good and hot) which again requires removal of the dash board to access, this should get you headed in the right direction to figure out were the problem is

Dec 29, 2010 | 2000 Ford Taurus

1 Answer

My 2000 tahoe is blowing cold air.


Check your coolant level and make sure its full, next i would look into replacing your thermostat, if your thermostat is stuck open your engine isnt able to reach operating temperature therefore heater output suffers, your coolant temp gauge should read around halfway when the engine is hot if its not look into replacing the thermostat, if your gauge is reading halfway check the cable going to your heater box when you adjust your temperature on your heater controls its possible that the cable broke or the blend door inside the heater box is stuck into the cold position allowing only cold air to come through the vents.

Dec 06, 2010 | Chevrolet Tahoe Cars & Trucks

3 Answers

Car warms up just fine but the heater blows cold air


both hoses is hot signifies thatcoolant circulation is just fine check the blend door actuator it might be stuck.pan the heater temp controller from hot to cold do you feel any change in temp of the air from the blower?if you dont feel any change check the blend door actuator

Jan 11, 2010 | 2002 Ford Taurus

2 Answers

Heat does not work. coolant level ok and temp is ok


Might try checking the temp blend door operation or the temp blend door actuator. If all good there perhaps the control head itself is faulty.

Oct 08, 2009 | 2000 Jeep Grand Cherokee

1 Answer

2001 ford taurus heater only bows cold air-no heat at all=ac works great tho


check coolant level in overflow bottle and the radiator first.

check to see if temp blend door is rotating back and forth. Rotate temp knob while watching the motor that operates the blend door under the dash.

check to see if both heater hoses are hot where they go into the cowl in the engine compartment into the heater core. If not hot, check temp gauge to see if it reads nomal, if not replace thermostat.

Mar 10, 2009 | 1996 Ford Taurus

2 Answers

Thermostat?


It actually sounds to me like you're low on coolant. My Jeep leaks coolant and whenever it gets low the temp gauge will go real high and then drop, and the heater doesn't work well. This is because the cooling system of your car is supposed to be a closed system, full of coolant and no air. When coolant leaks out, the space it used to occupy is now occupied by air, which does not transfer heat well. When 'air' is passing through your cooling system, no heat can be transferred from your engine to the heater and radiator, resulting in a hot engine and no heat at the heater. Then when a pocket of water passes through the system, the temperature gauge quickly falls as the water absorbs the heat from the engine. The hot water that cools the engine is where the heater gets it's heat from as well, so when water passes through the heater core, the heater works, but when it's filled with air, it doesn't.

Hot water runs through the heater core regardless of whether or not your thermostat is open or closed. That's why your heater works in the winter even before the engine is at normal operating temperature. The fact that the heater stops working is a good sign that the thermostat is probably not the culprit.

As for the water pump. If the water pump was bad, your temp gauge would go into the red and stay there. Water pumps generally don't work intermittently. Either it's good and ot works, or it's bad and it doesn't.

However, if you are in fact low on water, as I suspect, it means you probably have a leak somewhere. The leak could be in the water pump housing gasket, so depending on where you take it for repairs, they may try to sell you a new water pump anyhow. So just beware of that.

Feb 12, 2009 | 2004 Chevrolet Blazer

3 Answers

No Heat! 1999 chevy blzr lt 4.3 radiator full, blower works,


Your '99 Blazer does not have a water valve. Just a temp. blend door. In other words, hot water should be flowing through the core at all times. Like the other techs said, make sure you are getting the whole system full of coolant. You might even try disconnecting one hose, and pouring water into the heater core itself. On most of these year models, if you listen, you can hear the rush of water through the core when you lightly rev the eng. I have replaced 3 heater cores just last year on '96-'99 Blazers. They clog easily. YOu can blow or flow water through them, but if they don't flow freely, I mean without any restriction whatsoever, they will not get as hot as you want. The thing is tiny!

Here's an easy test: Run engine until temp gauge reaches normal: around 180-200 degrees. Reach back to the firewall and grab both heater core hoses. Are they both about the same temp. and HOT? THey should be. If one is much warmer than the other. You are clogged enough to suffer in the winter. And from what you said: "Brrrrrr" You are getting poor performance out of your heater.

BE sure to check that the blend door is working. Is it cool when you set temp to cool? Blazers go through way more heater cores than they do blend doors, so I'm betting your core is either empty, or clogged. TaterTodd

Jan 25, 2009 | 1999 Chevrolet Blazer

Not finding what you are looking for?
1998 Ford Taurus Logo

394 people viewed this question

Ask a Question

Usually answered in minutes!

Top Ford Experts

Marvin
Marvin

Level 3 Expert

85223 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22485 Answers

gerry bissi

Level 3 Expert

4388 Answers

Are you a Ford Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...