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Do I have to take on my dashboard to fix my heater core on my 2007 Cadillac dTS.

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  • Cadillac Master
  • 929 Answers

You should be able to do this without removing the dash. To get at the core, you will have to remove the auxiliary blower motor assembly.

Posted on Mar 07, 2019

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  • Contributor
  • 25 Answers

Seems as if you do. There service calls for 6.9 hours of labor which means it's a rather large job. Not only does the dash need to be disassembled, but the A/C system will need evacuated as well. If you do not have much experience in this type of service, I would highly recommend you take the vehicle to a repair facility.

If you have any further questions, or you need help completing this repair. Please feel free to contact me directly at:

https://www.6ya.com/eugene_aa01c1a9fa4c2ed9

Posted on Mar 07, 2019

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Posted on Jan 02, 2017

emissionwiz
  • 84565 Answers

SOURCE: 63 cadillac sedan deville heater core removal and installation instructions

I do think you have to pull he dash, for that you will need a manusl, try ebay for used factory manuals, I have had good luck getting them there for all my cars.

Posted on Oct 17, 2008

motor1258
  • 6674 Answers

SOURCE: 2000 Cadillac Escalade. Replace Heater Core

Here you go, Good Luck !! Click on link & scroll down a ways. Any picture will expand if you click on them.

http://www.autozone.com/shopping/repairGuide.htm?pageId=0900c152800a5da0

Posted on Jan 28, 2009

martin538
  • 117 Answers

SOURCE: confusing dashboard symbols on 2007 DTS

The gas door flap may have a locking device that is wired to the central locking and keyless remote fob. Make sure all of the doors are unlocked and it should allow you to open the gas cap door.

Posted on Apr 08, 2009

  • 1 Answer

SOURCE: heater core

I,M HAVING TROUBLE REMOVING THE COVER PLATE FROM THE HEATER CORE.

Posted on Jan 04, 2010

jturcotte
  • 8856 Answers

SOURCE: dyi instructions for removal/replacement of heater

Please let me know if you have any questions, and thanks for using FixYa.

  1. Drain the engine cooling system.
  2. Remove or disconnect the following: Negative battery cable and Heater hoses from the heater core
  3. Remove the instrument panel as follows: .
    1. Set the parking brake and block the wheels.
    2. Disconnect the parking brake release cable from the parking brake lever.
    3. Unfasten the screws that retain the DLC instrument panel left side sound insulator. Feed the DLC through the hole in the sound insulator.
    4. Unfasten the right side sound insulator panel screws and remove the panel.
    5. Unfasten the screws that attach the instrument panel left side sound insulator to the knee bolster and cowl panel.
    6. Unfasten the nut that attaches the left side sound insulator to the accelerator pedal bracket.
    7. Unplug the remote control door lock receiver module electrical connector.
    8. Remove the door lock receiver module from the left side sound insulator. Remove the left side sound insulator.
    9. Unfasten the screws that attach the instrument panel center sound insulator to the knee bolster, instrument panel, heater assembly and floor duct.
    10. Remove the center sound insulator.
    11. Unfasten the screws that attach the courtesy lamp to the knee bolster.
    12. Unfasten the screws that attach the knee bolster to the instrument panel.
    13. Disconnect the lap cooler duct from the knee bolster.
    14. Unplug the lighter electrical connection and remove the knee bolster.
    15. Unfasten the steering column-to-instrument panel nuts and lower the column.
    16. Unfasten the screws that attach the instrument panel accessory trim plate to the instrument panel.
    17. Remove the trim plate and unplug all necessary electrical connection.
    18. Remove the heater and/or air conditioning control assembly.
    19. Remove the radio and the storage compartment assembly (if equipped).
    20. If necessary, remove the instrument cluster.
    21. Unfasten the left and right instrument panel pivot bolts and the panel lower support bolt.
    22. Unfasten the speaker grilles retaining screws and remove the speaker grilles.
    23. Remove the windshield defroster grille using a flat-bladed prytool. Start at one end of the grille and work your way down the grille.
    24. Unfasten the 4 instrument panel upper support screws.
    25. Tag and unplug all necessary electrical connections.
    26. Remove the instrument panel from the vehicle.
  4. Remove or disconnect the following:

    Air inlet assembly, if equipped , Vacuum hoses Heater assembly studs, from inside the engine compartment, Blower motor resistor Stud from inside the heater case assembly; the stud is located behind the blower motor resistor Heater assembly-to-chassis screws, Heater assembly from the vehicle Access cover screws and cover from the heater assembly Heater core from the heater case assembly
    jturcotte_2224.gif

    Fig. View of the heater case assembly

    jturcotte_2225.gif

    Fig. View of the heater case cover

    jturcotte_2226.gif

    Fig. View of the heater core

    jturcotte_2227.gif

    Fig. Heater core mounting

To install:
  1. Install or connect the following:

    Heater core to the heater case assembly, Access cover to the heater assembly and the cover screws, Heater assembly to the vehicle Heater assembly-to-chassis screws and torque them to 40 inch lbs. (4.5 Nm) Stud, working from inside the heater case assembly; the stud is located behind the blower motor resistor, Blower motor resistor Heater assembly studs, working inside the engine compartment, torque them to 17 inch lbs. (1.9 Nm), Vacuum hoses, Air inlet assembly, if equipped
  2. Install the instrument panel as follows:
    1. Rest the instrument panel on the lower pivot studs.
    2. Attach the electrical connections.
    3. Install but do not tighten the 4 upper instrument panel support screws.
    4. Install the left and right panel pivot bolts. Tighten the bolts to 102 inch lbs. (11.5 Nm).
    5. Install the panel lower support bolt. Tighten the bolt to 102 inch lbs. (11.5 Nm).
    6. Tighten the upper support screws to 17 inch lbs. (1.9 Nm).
    7. Install the windshield defroster grille and the speaker grilles.
    8. Install the radio and storage compartment assembly (if equipped).
    9. If removed, install the instrument cluster.
    10. Install the heater and/or air conditioning control assembly.
    11. Attach the electrical connections to the instrument panel accessory trim plate.
    12. Place the trim plate in position and install its retaining screws. Tighten the screws to 17 inch lbs. (1.9 Nm).
    13. Place the steering column into position and install its retaining nuts. Tighten the nuts to 22 ft. lbs. (30 Nm).
    14. Attach the lighter electrical connection and the lap cooler duct to the knee bolster.
    15. Place the knee bolster into position and install its retaining screws. Tighten the Torx® head screws to 80 inch lbs. (9 Nm) and the hex head screws to 17 inch lbs. (1.9 Nm).
    16. Place the courtesy lamp in position and install its screws. Tighten the screws to 17 inch lbs. (1.9 Nm).
    17. Place the instrument panel center sound insulator in position. Install the screws that attach the center sound insulator to the knee bolster, instrument panel and the floor duct. Tighten the screws to 17 inch lbs. (1.9 Nm).
    18. Install the screw that attaches the center sound insulator to the heater assembly. Tighten the screw to 13 inch lbs. (1.5 Nm).
    19. Install the remote control door lock receiver module to the instrument panel left side sound insulator.
    20. Attach the door lock receiver electrical connection.
    21. Install the nut that attaches the left side sound insulator to the accelerator pedal bracket. Tighten the nut to 35 inch lbs. (4 Nm).
    22. Install the screw that attaches the left side sound insulator to cowl panel. Tighten the screw to 13 inch lbs. (1.5 Nm).
    23. Install the screws that attach the left side sound insulator to knee bolster. Tighten the screw to 17 inch lbs. (1.9 Nm).
    24. Feed the DLC through the hole in the sound insulator, place the DLC in position and install its retaining screws. Tighten the screws to 21 inch lbs. (2.4 Nm).
    25. Install the right side sound insulator and tighten the screws
    26. Connect the parking brake release cable to the lever

  3. Install the heater hoses to the heater core.
  4. Refill the cooling system.
  5. Connect the negative battery cable.
  6. Run the engine to normal operating temperatures; then, check the climate control operation and check for leaks.

Posted on Sep 11, 2011

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