Question about 1999 Dodge Durango

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I need a schematic for the heater core housing unit

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  • starsaphire6 Feb 02, 2010

    great site thanx so much

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  • Dodge Master
  • 17,970 Answers

I suggest visit autozone.com (free register) and select the Wiring Diagrams Section:


You find several diagrams about this subject.

Good luck.

Posted on Feb 02, 2010

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Replace heater core in a 97 chrysler sebring lxi


Check this procedure for Sebring Coupe and Avenger (see Figure 3)...

Disconnect the negative battery cable.

CAUTION
The vehicles covered by this guide are equipped with a Supplemental Restraint System (SRS), which uses air bags. Whenever working near any of the SRS components, such as the impact sensors, air bag modules, steering column and instrument panel, disable the SRS, as described earlier in this section.

Remove the instrument panel from the vehicle, as outlined in General Information & Maintenance 0 of this repair guide.
Drain the cooling system into a suitable container, then disconnect the heater hoses from the dashboard panel. Plug the heater core outlets to prevent coolant from spilling during unit housing removal.
Remove the center stay.
Remove the lap cooler duct mounting screw. Remove the center duct.
Remove the left and right rear heater ducts.
Remove the foot distribution duct.
If equipped with A/C, remove the cooling unit mounting nut and bolt.
Remove the retainer clip, then the heater unit.
Remove the heater core.

12_20_2011_3_30_32_pm.gif

Click image to see an enlarged view

Fig. 3: Exploded view of heater unit and core assembly (ZOOM LINK HERE)

To install:
Install the heater core into the heater housing.
Install the heater housing and retainer clip into the vehicle.
If equipped with A/C, install the cooling unit mounting bolt and nut.
Install the foot distribution duct. Install the left and right rear heater ducts.
Install the center duct, then install the lap cooler duct mounting screw.
Install the center stay and connect the heater hoses to the heater core at the dashboard panel.
Install the instrument panel.
Fill the cooling system to the proper level.
Connect the negative battery cable.

Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day.

Dec 20, 2011 | Cars & Trucks

1 Answer

To replace the heater core i have to remove the dash. I am able to remove every thing but a few wire harnesses. they do not have any clips or any thing. how do i remove these? and how do i remove the...


Heater Core REMOVAL & INSTALLATION 1985-95 Models For the removal of the heater core, which is located inside the heater-A/C unit assembly, first remove the heater-A/C unit assembly from the vehicle as described later in this section. Once the unit has been removed, use the following procedure to extract the heater core:
  1. Place the heater-A/C unit on a suitable work surface.
  2. Locate and remove one retaining nut from the blend-air door pivot shaft.
  3. To remove the top cover from the heater-A/C case, the crank arm must be removed.
  4. Disconnect the vacuum lines from the defroster and panel mode vacuum actuators and position them out of the way.
  5. Remove the 3 heater-A/C unit cover attaching screws, fastened upward at the defroster outlet chamber.
  6. Remove the 2 heater-A/C unit cover attaching screws, fastened upward at the air inlet plenum.
  7. Remove the 11 heater-A/C unit cover attaching screws, fastened downward into the housing. Then lift the cover from the heater-A/C unit.
  8. Remove the old heater core from the case. To install:
  9. Install the new heater core into the heater-A/C unit case in the same position as the old one.
  10. Place the cover onto the case and secure in place with the 11 retaining screws.
  11. Install the remaining components in the reverse of the removal procedure.
  12. Install the heater-A/C unit assembly into the vehicle.
---
1989-95 Models EXCEPT DYNASTY AND PREMIER NOTE: The following procedure can be used on all specified 1989-95 models. Slight variations may occur due to extra connections, etc., but the basic procedure should cover all models. Modify the service steps as necessary. Refer to the supplemental restraint system disarming procedure as necessary. NOTE: It is vital to have the A/C system discharged by a reputable automotive technician utilizing a recovery/recycling machine before detaching the A/C system. Refer to the A/C system precautions presented in Section 1.
  1. If the vehicle is equipped with air conditioning, have the A/C system discharged by a qualified professional mechanic, using an approved recovery/recycling machine.
  2. Disconnect the negative battery cable. Drain the cooling system.
  3. Clamp off the heater hoses near the heater core and remove the hoses from the core tubes. Plug the hose ends and the core tubes to prevent spillage of coolant.
  4. Disconnect the H-valve connection at the valve and remove the H-valve. Remove the condensation tube.
  5. Remove the glove box, right side kick and sill panels, and all modules, relay panels and computer components in the vicinity of the heater housing.
  6. Remove the lower instrument panel silencers and reinforcements. Remove the radio and other dashboard-mounted optional equipment, as required.
  7. Remove the floor console, if equipped. Remove the floor and defroster distribution ducts.
  8. Remove the bolt holding the right side instrument panel to the right cowl.
  9. Disconnect the blower motor wiring, antenna, resistor wiring and the temperature control cable.
  10. On 1990-95 Daytona and LeBaron models, using a suitable cutting device, cut the instrument panel along the indented line on the padded cover to the right of the glove box opening. Cut only plastic, not metal. Remove the reinforcement and the piece of instrument panel that is riveted to it.
  11. Disconnect the demister hoses from the top of the housing, if equipped.
  12. Disconnect the hanger strap from the package and rotate it aside.
  13. Remove the retaining nuts from the package mounting studs at the fire wall.
  14. Fold the carpeting and insulation back to provide a little more working room and to prevent spillage from staining the carpeting. Pull the right side of the instrument panel out as far as possible.
  15. Remove the heater housing from the dash panel and remove it from the passenger compartment. If the passenger seat is preventing removal, remove it.
  16. To disassemble the housing assembly, remove the retaining screws from the cover and remove the cover.
  17. Remove the retaining screw from the heater core and remove the core from the housing assembly. To install:
  18. Remove the temperature control door from the housing and clean the unit out with solvent. Lubricate the lower pivot rod and its well, then install. Wrap the heater core with foam tape and place it in position. Secure it with its screw.
  19. Assemble the housing, making sure all cover screws were used.
  20. Connect the demister hoses. Install the nuts to the fire wall and connect the hanger strap inside the passenger compartment.
  21. Fold the carpeting back into position.
  22. Install the bolt that attaches the right side of the instrument panel to the cowl.
  23. Connect the blower motor wiring, antenna, resistor wiring and the temperature control cable.
  24. Install the remaining components in the reverse of the removal procedure.
  25. Fill the cooling system.
  26. Connect the negative battery cable and check the entire climate control system for proper operation and leakage.
  27. Have the air conditioning system evacuated and recharged by a qualified professional mechanic utilizing the proper equipment.

Dec 15, 2010 | 1993 Plymouth Sundance

1 Answer

Can you show me a video on how to put in heater core for 1996 Nissan Maximal


What i have is the steps on how to put or replace the heater core. hope this will help you.



the core is located behind the steering column, meaning you mainly need to remove that. On more recent cars, the whole dashboard needs removal.

Older Models

Shut off power to the Maxima, especially the air bag system. Disconnect the negative battery terminal and wait at least 3 minutes for the air bag to lose energy.

rain the engine coolant from the cooling system. Use a clean container if you plan on reusing the coolant.

Disconnect the heater hoses from the heater unit inside the engine compartment. Remove the blower and cooling unit from the interior and then the steering member assembly. Remove the heater unit and the core from the unit.

Install the new core into the heater unit and reconnect the unit in the car. Connect the steering member, cooling unit and heater hoses.Refill the cooling system and connect the battery cable.

Newer Models

Unplug the negative battery terminal. Wait 3 minutes for the air bag system to lose power. Drain the engine coolant into a clean container.

Disengage the air bags from both sides of the car. Remove driver's bag by removing the steering wheel's lower and side lids and the Torx bolts from the wheel sides. Disconnect the passenger bag electrical connector from inside the glove box.

Disassemble the instrument panel. Remove all components and screws from the panel, then have an assistant help lift and remove the panel itself.

Disconnect the following heater, defroster and ventilation ducts on the rear and sides. Remove the heater housing and the heater core from the housing.

Reinstall the heater housing with the new core installed. Replace all ducts, the instrument panel and the air bags.

fill the cooling system and reconnect the battery cable. Let the Maxima

Dec 04, 2010 | Nissan Maxima Cars & Trucks

1 Answer

How to replace a heater core


Heater Core Removal & Installation Front To Remove:
  1. Make sure you have the anti-theft codes for the audio and the navigation system, and then write down the audio presets.
  2. Disconnect the negative cable from the battery.
  3. From under the hood, disconnect the heater valve cable from the heater valve. Turn the heater valve arm to the fully opened position.
  4. When the engine is cool, drain the engine coolant from the radiator.
  5. Disconnect the inlet heater hose and the outlet heater hose from the heater core.
  6. Remove the mounting nut from the heater unit. Take care not to damage or bend the fuel lines, the brake lines, and related parts.
  7. Remove the dashboard.
  8. Remove the evaporator.
  9. Remove the mounting bolts and remove the heater unit. Front heater unit honda-10-00-4128.gif

  10. Remove the self-tapping screws and the clamp.
  11. Carefully pull out the heater core so you don't bend the inlet and outlet pipes.
Front heater core honda-10-00-4129.gif

To Install:
  1. Using care, install the heater core to the heater unit and secure.
  2. Using care, install the heater unit and tighten mounting nuts and bolts to 7 ft-lb (10 Nm).
  3. Install the evaporator.
  4. Install the dashboard.
  5. Connect the inlet heater hose and the outlet heater hose to the heater core.
  6. Connect the heater valve cable to the heater valve.
  7. Refill the cooling system with engine coolant.
  8. Adjust the heater valve cable.
  9. Make sure that there is no coolant leakage.
  10. Make sure that there is no air leakage.
  11. Connect the negative battery cable.
  12. Perform the power window control unit resetting procedure.
  13. Enter the anti-theft codes for the audio and the navigation system, and then enter the audio presets.
Rear To Remove:
NOTE: The rear blower motor, the rear heater core, the blower screen, the rear blower resistor (heating/air conditioning system) and the rear power transistor (climate control system), the rear air mix control motor (climate control system) , the rear mode control motor and the rear expansion valve can be replaced without removing the rear heater-A/C unit.
  1. Remove the self-tapping screws and the clamp, and then remove the bolts and the rear evaporator lines with the rear expansion valve. If necessary, remove the rear expansion valve. Use a second wrench to hold the other fitting on the valve so the rear evaporator lines won't twist. Leave the first fitting loosely connected so you can use it to hold the valve while you loosen the second fitting.
  2. Remove the rear heater hoses.
  3. If necessary, remove the rear blower motor, the rear heater core, the blower screen, the rear blower resistor (heating/air conditioning system), the rear power transistor (climate control system), the rear air mix control motor and the rear mode control motor.
  4. Remove the self-tapping screws and the lower housing.
  5. Remove the self-tapping screws, and carefully separate the left upper housing from the right upper housing. Remove the rear heater core.
Rear evaporator assembly honda-10-00-4116.gif

To Install:
  1. Replace the rear heater core.
  2. Attach the heater hoses.
  3. Make sure no air is leaking from the left upper housing and the right upper housing fitting and from the upper housings and the lower housing fitting.
  4. Before reassembly, make sure that the rear air mix control linkage and door move smoothly without binding.
  5. Before reassembly, make sure that the rear mode control linkage and door move smoothly without binding.
  6. Reassemble the housing.
  7. After reassembly, make sure the rear air mix control motor runs smoothly.
  8. After reassembly, make sure the rear mode control motor runs smoothly.
  9. Refill the cooling system and make sure that there is no coolant leakage.
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Oct 16, 2010 | 2005 Honda Pilot

1 Answer

How to replace a heater core


Heater Core Removal & Installation To Remove:
  1. Remove the HVAC housing.
  2. Turn the HVAC housing over.
  3. Remove the heater core case cover.
  4. Remove the heater core bracket and screw.
  5. Remove the heater core.
To Install:
  1. Install the heater core to the HVAC housing.
  2. Install the heater core bracket and screw.
  3. Install the heater core case cover.
  4. Install the HVAC housing.

Oct 09, 2010 | 2001 Pontiac Grand Am SE

1 Answer

How do I remove heater core on 1997 dodge stratus


prev.gif next.gif Heater Core REMOVAL & INSTALLATION Cirrus, Stratus, Sebring Convertible and Breeze
  1. Disconnect the negative battery cable.
  2. Remove the radio/HVAC control module bezel. CAUTION
    The vehicles covered by this manual are equipped with a Supplemental Restraint System (SRS), which uses air bags. Whenever working near any of the SRS components, such as the impact sensors, air bag modules, steering column and instrument panel, disable the SRS, as described earlier in this section.
  3. Remove the right instrument panel side trim.
  4. Remove the two retaining screws at the lower right side support beam.
  5. Remove the instrument panel support bolt at the A-pillar.
  6. Remove the left instrument panel side trim and upper instrument panel bezel.
  7. Remove the lower knee bolster and console screws at the instrument panel.
  8. Remove the gearshift knob and shifter bezel.
  9. Remove the mounting screws at the front and rear of the floor console. Remove the front and rear console halves.
  10. Remove the right side instrument panel support strut.
  11. Drain the cooling system into a suitable container, then disconnect the heater hoses at the cowl panel. Plug the heater core outlets to prevent coolant from spilling during unit housing removal. Fig. 1: Remove the heater core cover 90906g01.gif
    Fig. 2: Remove the heater core 90906g02.gif

  12. Remove the mounting screws and heater core cover.
  13. Remove the heater core from the vehicle. To install:
  14. Carefully position the heater core unit into the heater housing.
  15. Install the heater core cover onto the heater housing and tighten the mounting screws.
  16. Install the right side instrument panel support strut.
  17. Install the front and rear console halves.
  18. Install the shifter bezel and gearshift knob.
  19. Install the lower knee bolster and console screws at the instrument panel.
  20. Install the upper instrument panel bezel and left instrument panel side trim.
  21. Install the instrument panel support bolt at the A-pillar.
  22. Install the two retaining screws at the lower right side support beam.
  23. Install the right instrument panel side trim.
  24. Install the radio/HVAC control module bezel.
  25. Fill the cooling system to the proper level.
  26. Connect the negative battery cable.
Sebring Coupe and Avenger
  1. Disconnect the negative battery cable. CAUTION
    The vehicles covered by this manual are equipped with a Supplemental Restraint System (SRS), which uses air bags. Whenever working near any of the SRS components, such as the impact sensors, air bag modules, steering column and instrument panel, disable the SRS, as described earlier in this section.
  2. Remove the instrument panel from the vehicle, as outlined in Section 10 of this manual.
  3. Drain the cooling system into a suitable container, then disconnect the heater hoses from the dashboard panel. Plug the heater core outlets to prevent coolant from spilling during unit housing removal.
  4. Remove the center stay.
  5. Remove the lap cooler duct mounting screw. Remove the center duct.
  6. Remove the left and right rear heater ducts.
  7. Remove the foot distribution duct.
  8. If equipped with A/C, remove the cooling unit mounting nut and bolt.
  9. Remove the retainer clip, then the heater unit.
  10. Remove the heater core. Fig. 3: Exploded view of heater unit and core assembly 90906g03.gif
    To install:
  11. Install the heater core into the heater housing.
  12. Install the heater housing and retainer clip into the vehicle.
  13. If equipped with A/C, install the cooling unit mounting bolt and nut.
  14. Install the foot distribution duct. Install the left and right rear heater ducts.
  15. Install the center duct, then install the lap cooler duct mounting screw.
  16. Install the center stay and connect the heater hoses to the heater core at the dashboard panel.
  17. Install the instrument panel.
  18. Fill the cooling system to the proper level.
  19. Connect the negative battery cable.

Jul 08, 2010 | 1997 Dodge Stratus

1 Answer

Need to replace heater core on 96 tbird....I have Instrument panel out.....glove box out.....center console (climate control unit and stereo) out......have heater hoses disconnected and two mounting nuts...




Section 12-03A: Air Conditioning System—Manual A/C-Heater 1996 Thunderbird, Cougar Workshop Manual REMOVAL AND INSTALLATION Heater Core Removal
  1. Partially drain the cooling system.
  1. Remove the tube gasket from the heater core tubes.
  1. Remove four heater core access cover retaining screws, and remove the access cover from the A/C evaporator housing (19850).
  1. Remove A/C electronic door actuator.
  1. Slide heater core (18476) and seals from the A/C evaporator housing (19850).
Installation
  1. Install the heater core (18476) in the A/C evaporator housing (19850) with the tube gasket on the outside of the case.
  1. Install the A/C electronic door actuator as described.
  1. Position the heater core cover on the A/C evaporator housing (19850). Install the four retaining screws.
  1. Refill the cooling system.


    Heater Core





    Item Part Number Description 1 18596 Heater Core Tube Gasket 2 18476 Heater Core 3 18B300 Heater Core Cover 4 390747-S2 Screw (4 Req'd) 5 18N267 Heater Core Cover Seal
  2. 3e541cd.gif

      Feb 16, 2010 | 1996 Ford Thunderbird LX

      2 Answers

      Kia Sportage heater core removal and replacement


      Hi there,

      Here are the steps to remove heater core

      1. Chock wheels. 2. Drain the engine coolant. Refer to Engine Cooling System. 3. Discharge and recover the refrigerant from the A/C system. Refer to Recovery/Evacuating/Charging in this section. 4. Remove the dash panel. Refer to Body. 5. Remove the Blower/Evaporator unit. Refer to Blower/Evaporator Unit in this section. 6. Disconnect the low pressure line from the evaporator outlet on the bulkhead. 7. Disconnect the high pressure line from the evaporator inlet on the bulkhead. 8. Disconnect the heater return hose from the heater core outlet tube connection. 9. Disconnect the heater inlet hose from the heater core inlet tube connection. 10. Disconnect the fresh air/recirculation control cable from the blower housing unit inlet duct. 11. Disconnect five connectors at the bottom of the blower housing unit. 12. Pull carpeting away from bulkhead to gain access to the hole cover plate. 13. Remove the four nuts retaining the hole cover plate. 14. Remove the hole cover plate. 15. Remove two mounting bolts at the top of the blower housing unit. d40e96a.jpg 16. Remove two nuts attaching the bottom of the blower housing unit to the bulkhead mounting studs. 17. Remove the blower unit from the vehicle. 18. Remove the temperature control cable from the heater unit servo. 19. Remove the two nuts from the mounting studs at the bottom of the heater unit. 20. Remove the top nut holding the heater unit to the bulkhead to the bulkhead mounting stud. 21. Remove the heater unit. Regards, Jeep Brainy

      Apr 15, 2009 | 1997 Kia Sportage

      1 Answer

      Replace a heatercore in a 1997 jeep grand cherokee


      REMOVAL
      1. Remove the heater-A/C unit from the vehicle. "Housing Assembly HVAC : Service and Repair" See: Heating and Air Conditioning\Housing Assembly HVAC\Service and Repair
      2. Remove the heater core retaining screws.
      3. Pull the heater core straight out of the housing.
      INSTALLATION
      1. Install the heater core into the housing.
      2. Position the clips over the heater core tubes. Install and tighten the screws.
      3. Install the heater-A/C unit into the vehicle. Under "Housing Assembly HVAC : Service and Repair" See: Heating and Air Conditioning\Housing Assembly HVAC\Service and Repair

      Jan 14, 2009 | 1997 Jeep Grand Cherokee

      1 Answer

      How to repair a 1996 kia sportage heating core


      Hi there,

      I hope below steps can help ...


      1. Drain the engine coolant. Refer to Engine Cooling System. 2. Discharge and recover the refrigerant from the A/C system. Refer to “Recovery/Evacuating/Charging” in this section. 3. Remove the dash panel. Refer Body. 4. Remove the blower/ evaporator unit. Refer to “Blower/Evaporator unit” in this section. 5. Disconnect the low pressure line from the evaporator outlet on the bulkhead. 6. Disconnect the high pressure line from the evaporator inlet on the bulkhead. 7. Disconnect the heater return hose from the heater core outlet tube connection. 8. Disconnect the heater inlet hose from the heater core inlet tube connection.




      d1a8fa0.jpg





      9. Disconnect the fresh air/recirculation control cable from the blower housing unit inlet duct. 10. Disconnect five connectors at the bottom of the blower housing unit. 11. Pull carpeting away from bulkhead to gain access to the hole cover plate. 12. Remove the four nuts retaining the hole cover plate. 13. Remove the hole cover plate. 14. Remove two mounting bolts at the top of the blower housing unit. 15. Remove two nuts attaching the bottom of the blower housing unit to the bulkhead mounting studs. 16. Remove the blower unit from the vehicle. 17. Remove the temperature control cable from the heater unit servo. 18. Remove the two nuts from the mounting studs at the bottom of the heater unit. 19. Remove the top nut holding the heater unit to the bulkhead to the bulkhead mounting studs.
      20. Remove the heater unit.




      Regards,
      Jeep Brainy

      Oct 25, 2008 | 1996 Kia Sportage

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