Question about 2003 Ford Expedition

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No heat in rear of 2003 expedition

When you turn on the heat in the winter time for the rear seating area it comes out cool. does this take a long time to get warm?

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6 Suggested Answers

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Posted on Jan 02, 2017

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  • 92 Answers

SOURCE: heated driver seat doesn't heat on 2003 ford explorer

this is a common problem if you use the seat heater alot.one or both of the seat heater elements will have burned up or broken.where i live it is very cold most of the time and i have replaced hundreds of the seat heater elements.it is rare for it not to be one or both of the elements.

Posted on Nov 14, 2008

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michigan man
  • 3533 Answers

SOURCE: 2000 expedition heat problem

first of all I would make sure the car has proper amount of coolant and you are right it is very possible you have an air pocket in the system also ask your self did you change the thermastat after you did the heater core when the car is cold make sure there is coolant at the cold mark on the reservior bottle because you might not have enough coolant then start the car and get it up to temp and if the coolant goes not go up to the hot mark when the car gets to temp you do not have enought coolant just keep adding coolant and you will see the bubble after the thermastat opens

Posted on Jan 12, 2009

  • 4369 Answers

SOURCE: 2004 Ford Expedition rear floor cool/heat

03f81ff.gif
Item Part Number Description 1 — Air inlet door 2 — Temperature blend door 3 — Headliner airflow 4 — Auxiliary mode door 5 — Floor airflow 6 18476 Heater core 7 19860 Evaporator core 8 19805 Blower motor
The auxiliary A/C and heating system has the following features:

  • The auxiliary A/C and heating system is functional whenever the instrument panel mounted A/C control is in any position except OFF.
  • The auxiliary blower motor recirculates the air inside the vehicle. Outside air is not available to the auxiliary system.
  • Air is cooled and dehumidified by the auxiliary A/C evaporator core only if the instrument panel mounted A/C control is adjusted to a position that requires A/C compressor operation.
  • The temperature blend door and the auxiliary mode door are controlled by electric actuator motors.
  • Movement of the auxiliary temperature control between COOL and WARM causes a corresponding movement of the temperature blend door to mix air flowing through and around the auxiliary heater core.
  • Movement of the auxiliary mode control between PANEL and FLOOR causes a corresponding movement of the auxiliary mode door to direct air flow between the panel (headliner) registers and the floor duct.
---------------------------------------
I would say the auxiliary mode door (#4) electric motor is not wokring.

=============================================
Auxiliary Blend Door Actuator —Air Distribution Removal and Installation
  1. Remove the RH quarter trim panel cup holder and access panel.
  1. Remove the screws.
  1. Disconnect the blend door actuator electrical connector.
  1. To install, reverse the removal procedure.

Posted on Mar 01, 2009

  • 564 Answers

SOURCE: air conditioned and heated seats won't work on

check the fuse if its good check the relay

Posted on Jul 14, 2009

  • 490 Answers

SOURCE: passenger heated/cool seats not working

The seat switch or the heated seat relay is bad.Always check your fuses first.

Posted on Aug 01, 2009

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1 Answer

I have a 2003 Expedition and the front heat works but rear blows cold air. Any advice?


Well the first thing I would want to know is if the rear heater core is getting hot.
You can check the heater hoses if they are accessable, or pull the cover off the unit next to the third row seat and check the core.

Jan 24, 2013 | 2003 Ford Expedition

1 Answer

I have a 2003 Ford expedition Eddie bauer. Seat in third row stuck down and there's a constant clicking noise in right rear panel. I know my cuz took motor out. Can I bring seat back up without...


The clicking noise sounds like your blend door actuator. Try turning your AC/Heat OFF and see if it stops (give it a minute to travel in position). The actuator is a common failure in the Expys, costs about $50 to replace. You will have to remove the right rear panel to replace it - a few screws and a couple of bolts (where the seat belt attaches).
As for the seat not working, not sure about this. I would make sure the wiring harness is hooked up and the fuse is not blown. See your owners manual for fuse location.

May 21, 2011 | 2003 Ford Expedition

1 Answer

2003 Ford Expedition blowing hot air only. Is it a leak or major problem. Also there is a clicking noise in the back rear when you put the ac on


Sounds like your rear actuator for heat and cool is stuck in one position this normally happens when the plastic gears shear down, you will need to change out the actuator. You have two on the rear passenger side, one is for teh hot and cold and the other is for teh upper and lower air

Mar 30, 2010 | 2003 Ford Expedition

1 Answer

Heat light switch comes on..but the heated seat is


MORE THAN LIKELY THE HEATING ELEMENT HAS MALFUNTIONED. ITS A PRETTY COMMON PROBLEM IN HEATED SEATS

Nov 29, 2009 | 2003 Ford Expedition

1 Answer

Passenger heated/cool seats not working


The seat switch or the heated seat relay is bad.Always check your fuses first.

Aug 01, 2009 | 2003 Ford Expedition

2 Answers

Clicking noise behind right side second row seat


My dealer called it the rear air system's ACTUATOR. Had them replace it and problem was solved.

Nov 16, 2008 | 2003 Ford Expedition

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