Question about 1998 Ford Explorer

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How do i trouble shoot heater not working ford explorer

The rear blower fan works but no warm air I can hear vacuum lines trying to work was an intermittent problem now no fan or hot air

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  • 62 Answers

If you can hear vacuum lines trying to work, then the vacuum is leaking. check you vacuum hoses.

Posted on Jan 14, 2015

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  • Ford Master
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Find and replace the blower resistor. I believe your resistor is under the hood, passenger side.

Posted on Dec 09, 2014

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Posted on Jan 02, 2017

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SOURCE: ford explorer heater fan not working

If this occurs in all positions, check fuse, check for power at the fan motor, if power in all positions replace motor. if no power at fan and fuse is good, check blower motor resistor and blower motor control switch. Replace as required

Posted on Oct 10, 2009

  • 8 Answers

SOURCE: 2000 ford explorer fan blower only works intermittently

On ford vehicles the blower motor resistors are the most common problem when this happens.

Posted on Dec 21, 2008

  • 12 Answers

SOURCE: my heater doesn't work

heater core pluged up thermostat stuck open

Posted on Mar 24, 2009

  • 84 Answers

SOURCE: 1995 ford explorer a/c blower stopped working.

have you checked the fan system?

Posted on Jun 24, 2009

  • 1 Answer

SOURCE: rear heater core works great fan works but doesn't

checked vacuum hose works good now

Posted on Oct 20, 2009

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1 Answer

A friend replaced my Heater Core for me and it still does Not blow Hot Air ...can you give me some trouble shooting ideas to check ?


Does the heater blower motor work? That is what blows cool air across and around the heater core and then through the case and out the vents as warm air blowing. The heater motor wiring circuit is separate, and gets pretty complicated with electronic HVAC controls, but it does have fuses.
If the blower motor works but you only get cold air, not warm, out the vents, then you have a problem with the heater case doors not operating properly. yes, the old temperature blend door problem, the actuator motors or the vacuum servos not operating the doors. By the time you get all that figured out and working again, you will be an HVAC expert in your own right. Your turn for a comment...what model and year of car anyway, are we talking about?

Feb 21, 2016 | Cars & Trucks

3 Answers

No heat blowing cold air.


Do you smell coolant inside of the vehicle. If so then chances are your heater core is going.

Nov 23, 2013 | 1997 Ford Contour

1 Answer

Fan control in 2000 ford explore only high fan posistion is working


A common problem for the 2000 Explorer is the blower fan shorting out check you amps to see if they are good. -------------------------------------------------------------------------------------
Multi-Diag Access

Dec 12, 2012 | 2000 Ford Explorer

1 Answer

Where is the vacuum line off the exhaust system for the heater


I've never seen a vacuum line go from exhaust to heater, if you are haveing trouble with your heater there are questions that should be asked 1 does the blower motor work when you turn on the fan 2 does the heater core flow fluid (hot coolant) check this by feeling the heater core hoses 1 should be hot and 1 is usually warm or hot. 3 are the climate control switches functioning properly

Oct 15, 2012 | 2005 Jeep Wrangler

1 Answer

This is hard to describe, and is a multi-part problem on my 2006 explorer....first, here are the symtoms: 1.) heater blows cold air, unless engine is reved up...as soon as I let off gas, or am coasting,...


you have a massive vacuum leak, thats why your heater is not working fine, it uses a vacuum operated valve to transfer the hot water from the engine inside the heater core, and there is a door kind ventilation valve that also opens to make the air pass true the hot side, the sound you hear "blower like" its the air leak in the engine probably a vacuum line our broken hose check all the hoses there is your problem

Mar 08, 2010 | Ford Explorer Cars & Trucks

1 Answer

2003 ford explorer blower motor works but weak


The doors in the blower/heater/evap housing are sticking because of an issue with the vacuum or elec servo motors or improper computer command

Sep 28, 2009 | 2003 Ford Explorer

1 Answer

My heater doesn't work


heater core pluged up thermostat stuck open

Mar 24, 2009 | 1996 Ford Explorer

2 Answers

91 explorer heater not blowing air


The blower motor is located under the hood on the passengers side next to the hood hinge on the firewall. But, check your blower motor resistor first. The resistor is usually the trouble maker. It is located next to the blower motor. It should have 2 screws holding it onto the heater housing. Also an electrical connector. I sincerely hope that this will get it working again. Best wishes to ya.
Bryon

Jan 26, 2009 | 1991 Ford Explorer

2 Answers

No Heat..Heater Core Is Heating..Vacuum Lines?


I have a '96 Eddie Bauer Limited and it has the same problem. They told me that there is a small butterfly valvu located in the vac lines to select between hot or cold air. There is a tension spring connected to the valve, to an acutator, and to your ac contorl system. The spring on mine broke, so the valve opens and closes due to suction only. It is supposed to be about a $700.00 fix (due to the valves location by the firewall) but I have found a way around that. Try to aggressively apply the brakes making the vehicle slow rapidly, and at the same time turning on the blower fans with full bast heat selected. If this does not work, try doing the previous while going around a right hand corner. The corner will help the momentum of the valve turn in the right direction. Remember you have to switch the fan on full blast when you try either. If it works you should hear a thud as the valve flips shut and the heat should start coming out of the vents.

Good luck

Oct 10, 2008 | 1996 Ford Explorer

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