Question about 1992 Ford Taurus

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Replace heater core in a 2002 ford tarous - 1992 Ford Taurus

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  • Ford Master
  • 14,161 Answers

Perhaps to do this correctly I would suggest using a service manual:

Posted on Dec 29, 2015

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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emissionwiz
  • 76846 Answers

SOURCE: heater core replacement

It's one of the easiest cores to replace that I have encountered. Disconnect heater hoses at firewall. Probably doesn't matter about hose placement, but I always mark them just in case. To remove the fiber cover under dash, take a flat blade screwdriver and pry out the center pin of the expansion clips that hold it in place. There are four 5/16 head screws that hold the bottom/drain tray cover. Core will pull through the firewall and then down. You may have to silicone/glue or replace the foam seal strips on the new core. Before you install the core, check the distance between the inlet and outlet tubes to ensure they match the openings in the firewall. This saves time. It helps if you have someone on the outside to guide you when stabbing the tubes through the firewall. Replace bottom cover. You may have to hold one of the tubes when reinstalling the first hose to the core. Replace any lost coolant and check for leaks prior to reinstalling the fiber cover. If the cover seal is in good condition, any leak should drain through the firewall, otherwise it may leak inside cab. .

Posted on Sep 10, 2008

  • 17 Answers

SOURCE: 2002 ford taurus wont give heat inside.

what temprature did you get on temprature gauge ? When you say the heater core , i think on the heater register som are under the dash . The water flow are controled with a tap , when you have the control on warm the heated water flow , when the control on cold , the tap is closed and now water flow. It can bee the wired to the tap som are loose . You must look up under the dash and se if you see the wire.
The are 2 hoses tho the heater , and they go inside from the engine in to the heater. Look for the hose , you find them inside the engine rom and they go inside the car.
If you start the car and run it warm , then you put the heater control on warm. Then you try to feal if the hose som go to the heater are warm, if only one are warm the fault are the tap. And then you must look under the dashboard and lokate the tap.
Hoope this tips could help you

Posted on Dec 01, 2008

  • 69 Answers

SOURCE: Replace heater core in 1988 Ford Ranger

allow the system to cool down

take radiator cap loose to release pressure

once pressure is released tighten cap

loosen clamps on the heater hoses in the engine compartment on the pass. side of firewall.

plug or cap off the heater core tubes to prevent spillage when you pull it into the truck

place a trash bag on floorboard in case spillage occurs

remove the five screws holding the heatre core access cover, three on top and two on bottom

carefully pull heater core back and down and remove it from the dash

install is reverse

Hope this helps

Posted on Mar 29, 2009

  • 7353 Answers

SOURCE: easy way to replace heater core on an 98 ford ranger

the dash must come out.

Posted on Oct 11, 2009

c17hydro
  • 2984 Answers

SOURCE: heater core

No, you don't have to pull the whole dash board but you have to pull a few panels....here is the steps on how to get to it and remove and replace it:

  1. Disconnect the negative battery cable.
  2. Drain the cooling system and disconnect the heater hoses from the heater core tubes. Plug the hoses and the heater core tubes to prevent coolant leakage.

CAUTION NEVER open, service or drain the radiator or cooling system when hot; serious burns can occur from the steam and hot coolant. Also, when draining engine coolant, keep in mind that cats and dogs are attracted to ethylene glycol antifreeze and could drink any that is left in an uncovered container or in puddles on the ground. This will prove fatal in sufficient quantities. Always drain coolant into a sealable container. Coolant should be reused unless it is contaminated or is several years old.


  1. Remove the 3 nuts located below the windshield wiper motor attaching the left end of the plenum to the dash panel. Remove the 1 nut retaining the upper left corner of the evaporator case to the dash panel.

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Plenum removal—1990-98 vehicles

  1. Disconnect the vacuum supply hose(s) from the vacuum source. Push the grommet and vacuum supply hose(s) into the passenger compartment.
  2. Remove the right and left lower instrument panel insulators.
  1. On 1989 vehicles:
  2. Remove the 3 glove compartment hinge screws, disconnect the check arms and remove the glove compartment.
  3. Loosen the right door sill plate and remove the right side cowl trim panel.
  4. Remove the bolt attaching the lower right end of the instrument panel to the side cowl.
  5. Remove the instrument panel pad as follows:
    • Remove the 2 screws attaching the pad to the instrument panel at each defroster opening. Be careful not to drop the screws into the defroster openings.
    • Remove the one screw attaching each outboard end of the pad to the instrument panel.
    • On Crown Victoria, remove one pad attaching screw near the upper right corner of the glove compartment door.
    • Remove the 5 screws attaching the lower edge of the pad to the instrument panel. Pull the instrument panel pad rearward and remove it from the vehicle.
  6. On 1990-98 vehicles:
  7. Remove all instrument panel mounting screws and pull the instrument panel back as far as it will go without disconnecting any wiring harnesses.
  8. Make sure the nuts attaching the instrument panel braces to the dash panel are removed.
  9. Loosen the right door sill plate and remove the right side cowl trim panel.
  10. If equipped with manual air conditioning, disengage the temperature control cable housing from the bracket on top of the plenum. Disconnect the cable from the temperature blend door crank arm.
  11. If equipped with Automatic Temperature Control (ATC), proceed as follows:
  12. On 1989 vehicles, disconnect the temperature control cable from the ATC sensor.
  13. Detach the vacuum harness line connector from the ATC sensor harness and detach the electrical connector from the ATC servo connector.
  14. On 1990-98 vehicles, remove the cross body brace and disconnect the wiring harness from the temperature blend door actuator. Detach the ATC sensor tube from the evaporator case connector.
  15. Detach the vacuum jumper harness at the multiple vacuum connector near the floor air distribution duct.
  16. Disconnect the white vacuum hose from the outside-recirculating door vacuum motor.

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Floor air distribution duct removal—1990-98 vehicles
  1. Remove the 2 hush panels.
  2. Remove 1 plastic push fastener retaining the floor air distribution duct to the left end of the plenum.
  3. Remove the left screw and loosen the right screw on the rear face of the plenum and remove the floor air distribution duct.
  4. Remove the 2 nuts from the 2 studs along the lower flange of the plenum.

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Heater core removal—1990-98 vehicles

  1. Carefully move the plenum rearward to allow the heater core tubes and the stud at the top of the plenum to clear the holes in the dash panel. Remove the plenum from the vehicle by rotating the top of the plenum forward, down and out from under the instrument panel. Carefully pull the lower edge of the instrument panel rearward, as necessary, while rolling the plenum from behind the instrument panel.
  2. On 1989 vehicles with ATC, remove the ATC servo from the plenum.
  3. Remove the 4 retaining screws from the heater core cover and remove the cover from the plenum assembly.
  4. Pull the heater core and seal assembly from the plenum assembly.
To install:
  1. Carefully install the heater core and seal assembly into the plenum assembly. Visually check to ensure that the core seal is properly positioned. Position the heater core cover and install the 4 retaining screws.
  2. On 1989 vehicles with ATC, install the ATC servo on the plenum.
  3. Route the vacuum supply hose through the dash panel and seat the grommet in the opening.
  4. Position the plenum under the instrument panel with the register duct opening up and the heater core tubes down. Rotate the plenum up behind the instrument panel and position the plenum to the dash panel. Insert the heater core tubes and mounting studs through their respective holes in the dash panel and the evaporator case.
  5. Install the 3 nuts on the studs along the lower flange and one on the upper flange of the plenum. Install the 3 nuts below the windshield wiper motor to attach the left end of the plenum to the dash panel and the one nut to retain the upper left corner of the evaporator case to the dash panel.
  6. Position the floor air distribution duct on the plenum. Install the 2 screws and plastic push fastener. If removed, position the panel door vacuum motor to the mounting bracket and install the 2 attaching screws.
  7. Connect the white vacuum hose to the outside-recirculating door vacuum motor. Attach the vacuum jumper harness to the plenum harness at the multiple vacuum connector near the floor air distribution duct. Install the floor duct.
  8. If equipped with manual air conditioning, connect the temperature control cable housing to the bracket on top of the plenum and connect the temperature control cable to the temperature blend door crank arm. Adjust the temperature cable.
  9. If equipped with ATC, proceed as follows:
    1. On 1989 vehicles, connect the temperature control cable to the ATC sensor and adjust the cable. Route and attach the vacuum harness connector to the ATC sensor and attach the electrical connector to the ATC servo connector. Do not block the sensor aspirator exhaust port with the excess vacuum harness. Install the ATC sensor tube between the sensor and the evaporator connector.
    2. On 1990-98 vehicles, attach the ATC sensor tube to the evaporator case connector. Install the cross body brace and connect the wiring harness to the blend door actuator.
  10. Install the bolt to attach the lower right end of the instrument panel to the side cowl. Install the right side cowl trim panel and tighten the right door sill plate attaching screws.
  11. On 1989 vehicles, install the instrument panel pad and the glove compartment door. On 1990-98 vehicles, push the instrument panel back into position and install all instrument panel mounting screws. Install the right and left lower instrument panel insulators.
  12. Connect the vacuum supply hose(s) to the vacuum source.
  13. Install the right and left lower instrument panel insulators and install the 2 hush panels.
  14. Unplug the heater core tubes and the heater hoses and connect the heater hoses to the heater core tubes. Fill the cooling system.
  15. Connect the negative battery cable and check the system for proper operation.

Posted on Feb 15, 2010

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There was a question in this forum as to the location of the heater core on a 2002 Ford Taurus. Since I can't find who asked, the location is behind the dash so if you want to replace it you would have to remove the dash completely. A mechanic shop will charge you for a 2 day job approximately $700 to $800.

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