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Heater core ford E250 1998

I need to replace my heater core on a 1998 ford E259

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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emissionwiz
  • 76630 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

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johncub7172
  • 2 Answers

SOURCE: need to replace heater core in 1988 Ford Crown

i too replaced the heater core on my 1988 ford cv. the important point to rember is not to get overwhelmed. i ended up removing the whole dash, but not the stearingwheel. lable everything you remove....best to keep all parts seperated. mine looked like a nascar when i finaly got to the black plastic box where the core lives. i had to also remove some of the heating duct. once you open the box up, youll see the core. just sits in there. remove in and out hoses. very simple, but alot of work, thats why you must keep track of everything you remove. your engine coolant may be low, so add more when compleated. its been about 4 years now since i replaced mine.....i dont rember if the black box was rivited togeather or screwed togeather. if rivited, get a dremel tool with a grinder wheel, this will remove the rivites in good time. but the duct work was stapled togeather, i used 1/4 inch sheet metal screws to hook back up, works just fine.

Posted on Feb 17, 2009

  • 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: i need to replace my heater core on my 1995 Ford

Removal & Installation
4274678.gif
Exploded view of the blower motor housing and the heater air plenum assemblies

  1. Disconnect the negative battery cable. Allow the engine to cool down. Drain the cooling system to a level below the heater core fittings on the firewall.
  2. Disconnect the heater hoses from the heater core tubes and plug hoses.
  3. Remove the five nuts that secure the blower motor housing to the firewall.
  4. Pull the housing away from the firewall. Disconnect any wire harness plugs which inhibit the housing.
  5. Remove the remaining nuts which secure the heater air plenum (inside the passenger compartment) to the firewall.
  6. In the passenger compartment, remove the instrument panel. Refer to Section 10.
  7. Pull the heater air plenum rearward from the firewall and remove it from the vehicle.
  8. Remove the heater core from the heater air plenum.
  9. Inspect all air seals on the components and firewall and replace any that are damaged.

  1. To install:
  2. Install the heater core into the air plenum chamber.
  3. Position the heater air plenum against the firewall from the passenger compartment.
  4. Under the hood, install the plenum retaining nuts.
  5. Install the blower motor housing to the firewall and install the attaching nuts.
  6. Connect the heater hoses to the heater core tubes at the dash panel in the engine compartment. Do not over-tighten the hose clamps.
  7. Install the instrument panel.
  8. Check the coolant level and add coolant as required. Connect the negative battery cable.
  9. Start the engine and check the system for coolant leaks.

Posted on Oct 18, 2009

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How do I change my heater core in my 1996 ford ranger


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I replaced heater core on 97 ford f150 need map on how everthing goes back together


If it is necessary to remove the heater assembly, the cooling system must be drained before removing the heater core.
When a heater core leaks, a new heater core is installed or the old one repaired.
Heater Housing
  • The heater housing is usually under the dash and must be removed to gain access to the heater core.
  • Procedures for replacing the heater core vary with the year, make, and model of car. It threfore necessary to consult the manufacturer's repair manuals for the proper procedure for replacement.
f74-01.gif The heater housing is disassembled to get to the heater core. Heater Core
  • Remove the access panels(s) or the split heater/air conditioning case to gain acess to the heater core.
  • Remove the heater coolant hoses.
  • Remove the cable and/or vacuum control lines (if equipped).
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  • Lift the core from the case. Do not use force. Take care not to damage the fins of the heater core when removing.
  • To reinstall the heater core, reverse the removal steps.
When the heater core leaks and must be repaired or replaced, it is a very difficult and time-consuming job primarily because of the core's location deep within the firewall of the car. For this reason always leak test a replacement heater core before installation.

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Inspect/Replace If it is necessary to remove the heater assembly, the cooling system must be drained before removing the heater core.
When a heater core leaks, a new heater core is installed or the old one repaired.
Heater Housing
  • The heater housing is usually under the dash and must be removed to gain access to the heater core.
  • Procedures for replacing the heater core vary with the year, make, and model of car. It threfore necessary to consult the manufacturer's repair manuals for the proper procedure for replacement.
f74-01.gif The heater housing is disassembled to get to the heater core. Heater Core
  • Remove the access panels(s) or the split heater/air conditioning case to gain acess to the heater core.
  • Remove the heater coolant hoses.
  • Remove the cable and/or vacuum control lines (if equipped).
  • Remove the heater core securing brackets and/or clamps.
  • Lift the core from the case. Do not use force. Take care not to damage the fins of the heater core when removing.
  • To reinstall the heater core, reverse the removal steps.
When the heater core leaks and must be repaired or replaced, it is a very difficult and time-consuming job primarily because of the core's location deep within the firewall of the car. For this reason always leak test a replacement heater core before installation.

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2000 windstar is leaking coolant behind motor and smells with ac on...Heater core?


Yes u have a leaking heater core, below fin d the instructions to replace it.
1997-2000 Ford Windstar 3.8
Heater Core
Inspect ' Replace
Drain the cooling system

Heater Housing

The heater housing is usually under the dash and must be removed to gain access to the heater core. Procedures for replacing the heater core vary with the year, make, and model of car. It is therefore necessary to consult the manufacturer's repair manuals for the proper procedure for replacement.
The heater housing is disassembled to get to the heater core.
Heater Core Remove the access panels(s) or the split heater/air conditioning case to gain access to the heater core. Remove the heater coolant hoses. Remove the cable and/or vacuum control lines (if equipped). Remove the heater core securing brackets and/or clamps. Lift the core from the case. Do not use force. Take care not to damage the fins of the heater core when removing. To reinstall the heater core, reverse the removal steps. When the heater core leaks and must be repaired or replaced, it is a very difficult and time-consuming job primarily because of the core's location deep within the firewall of the car. For this reason always leak test a replacement heater core before installation.

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The inlet/outlet pipes (tubing) is an integral part of the heater core. If the actual core is leaking, you 'll need to remove and replace or repair the heater core. Be sure it's not the hose that is failing ... alot easier and cheaper to change out a hose and clamps...

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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

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