Question about 1999 Chrysler Cirrus

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Heater core do i have to take out dashboard to instal heater core

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1 Answer

How to install a new heater ore for a 2002 saturn sl


It's a long 7-10 hour job.

Have to remove the dashboard

then remove hoses to heater core
then remove wires going to heater core circuit board
then remove heater core
replace it and put everything back together without messing anything under your dashboard.

Mechanics charge between $700 to $1000 to replace one.

If the core is not leaking (wet passenger side floor) you may want to try a reverse flush before touching anything, remove the 2 hoses in the engine compartment at the firewall leading to the heater core and with a garden hose flood the heater core connector until it the water is clear then do the other connector.

If that don't work and your not sure you can do the replacement correctly don't do it.

Aug 24, 2014 | 2002 Saturn L-Series

1 Answer

Need diagram for replacing heater core



    Detach the heater core hoses at the firewall. The two black hoses attach near the firewall on the passenger's side of the engine compartment. Squeeze the hose clamps on the end of the hoses with pliers and slide the hoses from the heater core tubes.

    • 4Remove the lower passenger's-side and driver's-side dashboard panels. The two panels are held in with push-pins. Raise the center of the push-pins with a small, standard screwdriver and pull the pins from the panels. Pull the panels away from the dashboard to separate them from the dashboard.
    • 5Remove the center console. Separate the gear select trim piece from the center console, using a small standard screwdriver to pry the trim piece from the center console. Lift it over the shift knob and rotate it to clear the knob. Remove the retaining screws holding the center console in place with a Phillips screwdriver. Lift the console up over the shift knob and remove it from the interior.
    • 6Remove the glove box. Open the door to the glove box. Squeeze the two retaining tabs on the ends of the glove box and pull the glove box away from the dashboard. Remove it from the interior.
    • 7Detach the drain tube from the heater core cover, which is located behind the glove box. The tube can be pulled from the heater core cover by hand. Detach the air intake duct from the bottom of the heater core cover. The air intake duct runs from the bottom of the cover to the center of the dashboard. Remove the duct by hand.
    • 8Remove the retaining screws on the black heater core cover with a Phillips screwdriver. Pull the cover from the heater core and remove it from the interior. Remove the heater core clamp screw with a Phillips screwdriver, pull the clamp away from the heater core, then pull the heater core from the housing.
    • 9Place the replacement heater core against the housing. Place the clamp over the heater core and install the clamp retaining screw with a Phillips screwdriver. Position the heater core cover over the heater core and install the retaining screws with a Phillips screwdriver.
    • 10Attach the drain tube and the air intake duct to the heater core cover.
    • 11Install the glove box. Squeeze the retaining tabs on the sides of the glove box and push it into position against the dashboard. Release the tabs when the glove box is in position.
    • 12Install the center console. Guide the console over the shift knob and install the retaining screws with a Phillips screwdriver. Slip the shift selector trim piece over the shift knob and push it into the center console.
    • 13Place the lower passenger's-side and driver's-side dashboard panel in position. Install the push-pins into the retaining holes, pushing the in center of the pin to engage the pins.
    • 14Fill the radiator with coolant. Most climates require a 50/50 mix of DEXCOOL coolant and water. 2.2L engines require 8.6 qts., 2.4L

Nov 22, 2012 | 2000 Oldsmobile Alero

1 Answer

Replace heater core


Instructions
    • Drain the cooling system. Draining the cooling system will prevent toxic engine coolant from leaking into the passenger cabin of the vehicle during removal of the heater core. To drain the cooling system, simply disconnect the lower radiator hose from the radiator by loosening the hose clamp and pulling the hose off. Be sure to drain the fluid into a sealable container and dispose of the coolant at an appropriate disposal site.
    • 2Pull the dashboard six inches rearward. In order to do this, you must remove the following parts; the center dash bolt (located under the defroster vent cover), the bolts under the driver and passenger kick boards, the bolt connecting the dashboard to the radio mount, and the the bolt connecting the dashboard to the rear of the glove box. The locations of these bolts are immediately apparent upon looking under the dash. Once you have removed these bolts, you can pull the dashboard rearward and secure it.
    • 3Remove the heater core box. The heater core box is a black plastic box that surrounds the heater core. This part should be visible when looking down into the dashboard from the passenger side seat. Remove the two bolts on top holding it to the firewall and another on the bottom near the foot well. After removal of these bolts, the heater core and box are attached to the vehicle only by the coolant lines, which you can now disconnect by reaching into the box and pulling them off of the heater core (you may have to loosen the clamps first).
    • 4Install the new heater core. This is accomplished by applying steps 1 through 3 in reverse order; re-connect heater core coolant line, re-install heater core box (be sure to apply silicon sealant to the edges of the box, hermetically sealing it), replace the dashboard and install bolts, and re-fill the cooling system.



Oct 22, 2012 | 1999 Chrysler 300M

1 Answer

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.

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Dec 20, 2011 | Cars & Trucks

1 Answer

Remove_dashboard for nissan sentra 2003 heater core


check under the hood first. some cars have the heater core in the engine compartment, attached to the firewall. find the heater hoses and follow them from the block to the firewall. if they go into the firewall, then the heater core is under the dashboard.

Nov 29, 2011 | Cars & Trucks

1 Answer

Heater wont warm up in a 2000 chev tahoe


Check that the heater core's two tubes that enter the firewall are getting hot. If they are, then you are having a blend door problem which will require disassembling the dashboard instruments to get at the vacuum motors that control the blend doors.

If the heater core is not getting hot at both tubes, then the following procedure outlines how to change the heater core out:

Removal & Installation






Heater core removal
gm-10-00-589.gif





To Remove:



  1. Remove the HVAC assembly.
  2. Remove the heater core cover screws.
  3. Remove the heater core cover from the HVAC assembly.
  4. Remove the heater core gasket from the core.
  5. Remove the heater core from the HVAC module assembly.


To Install:



  1. Install the heater core to the HVAC module assembly.
  2. Install the heater core cowl gasket to the HVAC module assembly.
  3. Install the heater core cover and screws to the HVAC module assembly.
  4. Install the HVAC module assembly to the vehicle.


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Oct 29, 2010 | 2000 Chevrolet Tahoe

2 Answers

There is coolant leaking on the passenger side underneath of the car and rear of engine. It doesn't seem to be the lower hose and both the rad and thermostat are new and appear to be dry. I suspect the...


agree, heater core. see procedure below


REMOVAL & INSTALLATION

  1. Disconnect the negative battery cable and disable the SRS system (if equipped.)
WARNING All SRS wire harnesses are covered with a yellow insulation. Read the SRS precautions found in this section and install the short connectors as described.
  1. Properly drain the cooling system.
  2. Disconnect and plug the heater hoses at the firewall.
  3. Disconnect the heater valve control cable.
  4. Remove the heater unit attaching nut on the firewall.
  5. Remove the dashboard as follows:
    1. Remove the center panel.
    2. Disconnect the wire connectors at the fuse box.
    3. Disconnect the sunroof switch connector, if equipped.
    4. Disconnect the ground cable at the right of the steering column and the power mirror switch wire connector.
    5. Remove the side air vent knob and face plate.
    6. Remove the screws attaching the air vent control lever.
    7. Remove the center panel, radio and heater control head.
    8. Remove the gauge upper panel (4-door) or instrument panel (3-door).
    9. Disconnect the speedometer cable.
    10. Remove the center upper lid.
    11. Remove the side defroster garnishes on both ends of the dash.
    12. Lower the steering column.
    13. Remove the dashboard mounting bolts.
    14. Lift and remove the dashboard assembly.

  6. Remove the heater duct.
    177f070.gif

Fig. Fig. 1: Removing the heater duct assembly

  1. Remove the steering column bracket and duct assembly.
  2. Remove the heater assembly mounting bolts.
  3. Remove the heater assembly and remove the heater core.

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Fig. Fig. 2: Removing the heater case assembly

82ed899.gif

Fig. Fig. 3: Removing the heater core from the heater case


To install:

  1. Install the heater core into the heater unit.
  2. Install the heater assembly and the attaching bolts.
  3. Install the heater duct and steering column bracket.
  4. Install the dashboard assembly. Tighten the mounting bolts until just snug.
  5. Raise and attach the steering column.
  6. Install the center upper panel.
  7. Connect the speedometer cable and install the instrument gauge assembly.
  8. Install the control head, radio and center panel.
  9. Install the side vent and face plate.
  10. Connect the ground cable at the right of the steering column and the power mirror switch wire connector.
  11. Connect the sunroof switch connector, if equipped.
  12. Connect wire connectors at fuse panel.
  13. Install the heater unit attaching nut on the firewall.
  14. Connect the heater valve control cable.
  15. Connect the heater hoses at the firewall.
  16. Connect the negative battery cable.
  17. Fill, bleed and leak check the cooling system.

Oct 05, 2010 | 1991 Honda Civic

2 Answers

Smoke coming from a/c vents on ford expedition with sweet smell


The problem is the heater core leaking behind the dashboard. Heater Core Removal & Installation 1997-2002 To Remove:
NOTE: Heater core must be vacuum leak tested before it is remove from vehicle if a heater core leak is suspected.
  1. Drain engine coolant.
  2. Remove instrument panel.
  3. For 5.4L (4V), if quipped, remove junction splash shield.
  4. For 5.4L (4V), if quipped, disconnect starter relay cable. ford-03-00-3579.gif

  5. For 5.4L (4V), if quipped, remove junction block bracket.
  6. Clamp inlet and outlet heater hoses.
  7. Disconnect heater hose from heater core by gently pressing it toward heater core.
  8. Remove A/C plenum demister adapter.
  9. Disconnect vacuum line.
  10. Remove 13 plenum chamber top screws.
  11. Remove blend door assembly from case.
  12. Remove heater core.
To Install:
NOTE: If needed, clean and lubricate coolant hoses with plain water.
ford-10-00-3098.gif

  1. Install heater core.
  2. Install blend door assembly to case.
  3. Install 13 plenum chamber top screws.
  4. Connect vacuum line.
  5. Install A/C plenum demister adapter.
  6. Connect heater hose to heater core.
  7. Release all clamps from inlet and outlet heater hoses.
  8. For 5.4L (4V), if quipped, install junction block bracket.
  9. For 5.4L (4V), if quipped, connect starter relay cable.
  10. For 5.4L (4V), if quipped, install junction splash shield.
  11. Install instrument panel.
  12. Refill engine coolant.
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Aug 17, 2010 | 1999 Ford Expedition

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

      How to replace heater core 93 honda del sol


      Heater Core Honda Civic/CRX/del Sol 1984-1995 Repair Guide REMOVAL&INSTALLATION
      See Figures 1, 2 and 3
      REMOVAL & INSTALLATION
      1. Disconnect the negative battery cable and disable the SRS system (if equipped.)
      WARNING All SRS wire harnesses are covered with a yellow insulation. Read the SRS precautions found in this section and install the short connectors as described.
      1. Properly drain the cooling system.
      2. Disconnect and plug the heater hoses at the firewall.
      3. Disconnect the heater valve control cable.
      4. Remove the heater unit attaching nut on the firewall.
      5. Remove the dashboard as follows:
        1. Remove the center panel.
        2. Disconnect the wire connectors at the fuse box.
        3. Disconnect the sunroof switch connector, if equipped.
        4. Disconnect the ground cable at the right of the steering column and the power mirror switch wire connector.
        5. Remove the side air vent knob and face plate.
        6. Remove the screws attaching the air vent control lever.
        7. Remove the center panel, radio and heater control head.
        8. Remove the gauge upper panel (4-door) or instrument panel (3-door).
        9. Disconnect the speedometer cable.
        10. Remove the center upper lid.
        11. Remove the side defroster garnishes on both ends of the dash.
        12. Lower the steering column.
        13. Remove the dashboard mounting bolts.
        14. Lift and remove the dashboard assembly.
      6. Remove the heater duct.
      0900c15280061a21.jpgFig. 1: Removing the heater duct assembly
      1. Remove the steering column bracket and duct assembly.
      2. Remove the heater assembly mounting bolts.
      3. Remove the heater assembly and remove the heater core.
      0900c15280061a22.jpgFig. 2: Removing the heater case assembly 0900c15280061a23.jpgFig. 3: Removing the heater core from the heater caseTo install:
      1. Install the heater core into the heater unit.
      2. Install the heater assembly and the attaching bolts.
      3. Install the heater duct and steering column bracket.
      4. Install the dashboard assembly. Tighten the mounting bolts until just snug.
      5. Raise and attach the steering column.
      6. Install the center upper panel.
      7. Connect the speedometer cable and install the instrument gauge assembly.
      8. Install the control head, radio and center panel.
      9. Install the side vent and face plate.
      10. Connect the ground cable at the right of the steering column and the power mirror switch wire connector.
      11. Connect the sunroof switch connector, if equipped.
      12. Connect wire connectors at fuse panel.
      13. Install the heater unit attaching nut on the firewall.
      14. Connect the heater valve control cable.
      15. Connect the heater hoses at the firewall.
      16. Connect the negative battery cable.
      17. Fill, bleed and leak check the cooling system.

      Sep 01, 2008 | 1996 Honda Accord

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