Question about 1999 Chevrolet S-10 Pickup

1 Answer

Heater core housing

I took the 6 screws out of housing and still cannot get it off

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  • sister_bearr Feb 04, 2009

    I CANNOT GET TO THE HEATER CORE

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1 Answer

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  • 11,896 Answers

There should be 6-8 screws, two clamps on the front, and the two hose clamps on the engine side.

Posted on Feb 04, 2009

  • Nate Stansfield
    Nate Stansfield Feb 05, 2009





    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.

    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.
    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.

  • Nate Stansfield
    Nate Stansfield Feb 05, 2009

    Assembly


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2 Suggested Answers

  • 120 Answers

SOURCE: 1999 S10 HEATER CORE

did you take all screws out of the housin on the out side double check they are hard to see

Posted on Feb 12, 2009

Ironfist109
  • 3018 Answers

SOURCE: I have a 2001 GMC Jimmy I have to replace the

You have to chisel them stacks off. Then unscrew the six screws holding the housing together. When closing the housing up you first need to take a drill and drill a 7/16 hole where the stacks were and put new heater core screws in there.

Posted on Mar 23, 2011

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2 Answers

Heater core removal. under the dash or remove???


Hi there,

Firstly, you don't have to remove the dash on them. There is a screw in the center of the lower cover that is sort of hidden in a hole there. Here are a few steps to help:
  • Disconnect the negative battery cable and drain the cooling system.
  • Disconnect the heater hoses from the heater core inlet and outlet connections in the engine compartment.
  • Allowing residual coolant from the heater core to drain. Cap the openings.
  • Working inside the vehicle, remove the lower instrument panel sound insulator.
  • Remove the heater floor outlet duct screws or clips and remove the duct.
  • Remove the heater core cover by removing the attaching screws and clips.
  • Remove the heater core cover.
  • Remove the heater core retainers and remove the heater core.
  • Position the heater core in the housing and install the retaining straps.
  • Position the heater core cover on the housing and install the attaching screws and clips.
  • Install the floor outlet duct and attaching screws or clips.
  • Install the lower instrument panel sound insulator.
  • Working in the engine compartment, connect the heater core inlet and outlet hoses.
  • Fill the cooling system.
  • Start the engine and check for coolant leaks. Allow the engine to warm up sufficiently to confirm the proper operation of the heater.
  • Recheck for leaks. Check the cooling system level.
Good luck!

Jan 16, 2011 | 1990 Pontiac 6000

1 Answer

Need to replace heater core for Ford Taurus 2000


Heater and Evaporator Core Housing Removal & Installation To Remove:
  1. Recover the refrigerant.
  2. Remove the instrument panel.
  3. Remove the right side cowl vent screen.
  4. Remove the screws and the water shield.
  5. Disconnect the vacuum supply hose.
  6. Clamp off and disconnect the heater hoses at the firewall.
  7. Disconnect the evaporator outlet spring lock coupling. Discard the O-rings.
  8. Remove the two condenser-to-evaporator line bracket bolts.
  9. Disconnect the evaporator inlet spring lock coupling. Discard the O-rings.
  10. Remove the three nuts at the dash panel.
  11. Remove the screws and the heater outlet floor duct.
  12. Remove the evaporator core housing bolt and nut.
  13. Remove the heater and evaporator core housing.
Heater and evaporator core housing removal/installation ford-10-00-404.gif

To Install:
  1. Install the heater and evaporator core housing in the vehicle. Secure the mounting nut and bolt.
  2. Install the heater outlet floor duct. Secure with the mounting screws.
  3. Install the three mounting nuts to the dash panel. Tighten to 53 in-lb (6 Nm).
  4. Install new refrigerant system O-ring seals lubricated in clean mineral oil. Connect the evaporator lines.
  5. Install the two condenser-to-evaporator line bracket bolts. Tighten to 80 in-lb (9 Nm).
  6. Connect the hoses to the heater core connections. Lubricate the coolant hoses with plain water only, if needed.
  7. Connect the vacuum supply hose.
  8. Install the screws and the water shield.
  9. Install the right side cowl vent screen.
  10. Install the instrument panel.
  11. Lubricate the refrigerant system with the correct amount of clean PAG oil.
  12. Evacuate, leak test and charge the A/C system.
  13. Add coolant as needed.
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Jan 08, 2011 | 2000 Ford Taurus

1 Answer

How can i get to my heater core to replace it on a 86 cadillac fleetwood 5.0


BROUGHAM

1. Disconnect electric-al connectors at blower motor, compressor cycling switch, power

module and radio lead-in connections.

2. Remove righthand windshield washer nozzle.

3. Remove righthand secondary air inlet screen from plenum.

4. Partially remove rubber molding above plenum.

5. Remove remaining screws and the primary inlet screen.

6. Remove blower motor.

7. Remove two screws securing compressor cycling switch to module and position

switch out of way.

8. Remove AC module cover attaching screws and the cover.

9. Disconnect heater hoses at heater core.

10. Remove screw and retainer holding heater core to frame top.

11. With temperature door in max. hot position, reach through temperature housing and

push lower forward comer of heater core away from housing, then rotate core

parallel to housing.

12. Remove heater core.

13. Reverse procedure to install.

Dec 23, 2010 | 1986 Cadillac Fleetwood

2 Answers

I am wanting to change the heater core in my 2004 Suziki Forenza myself. I am looking for a maintenance manual for this model vehicle or someone with the knowledge of how the dash comes off.


you can go to any auto parts store and buy a haynes manual for your specific vehicle. they are based on a complete teardown of vehicle. the manuals are only about 20 to 25 dollars. have a good day !! ( then you will have it just in case something else goes wrong !!)

Dec 19, 2010 | Suzuki Forenza Cars & Trucks

1 Answer

Where is the heater core in a gmc van


Welcome to FIxYa.com



Location See figureleedavidian_32.png




1. Disconnect the battery cable.

2. Remove coolant recovery tank and lay aside.

3. Place a clean pan under the vehicle and then disconnect the heater core inlet and

outlet hoses at the heater connections. Quickly plug the heater hoses and support

them in a raised position. Allow the coolant in the heater core to drain into the pan

on the floor.

4. Remove heater distributor duct to distributor case attaching screws and distributor

duct to engine cover screw and remove duct.

5. Remove engine housing cover.

6. Remove instrument panel attaching screws: above, at windshield, all lower screws

and tight lower LP. Support bracket at door pillar and engine housing.

7. Lower steering column, and raise and support tight side of LP.

8. Remove defroster duct to distributor case attaching distributor to heater case.

9. Disconnect temperature door cable and fold cable back for access.

10. Remove three (3) nuts at engine compartment side of distributor case and one (1)

screw on passenger side.

11. Remove the heater case and core as an assembly. Tilt the case assembly rearward at

the top while lifting up until the core tubes clear the dash openings.

12. Remove the core retaining strap screws and remove the core.

13. To install a new core. Reverse Steps l-10 above. Be sure core to case and case to

dash panel sealer is intact before assembling unit.



Thank you for using FixYa.com

Regards, Lee Davidian

Nov 06, 2010 | 1984 GMC VanDura

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 To Replace The Heater Core In A 1997 Ford Thunderbird LX


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 blend door actuator.
  1. Slide heater core (18476) and seals from the A/C evaporator housing.
Installation
  1. Install the heater core in the A/C evaporator housing with the tube gasket on the outside of the case.
  1. Install A/C electronic blend door actuator as described.
  1. Position the heater core cover on the A/C evaporator housing. Install the four retaining screws.
  1. Refill the cooling system.


    1a302ce.gif




    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


    Hope this helps... Cobra

Jun 12, 2010 | 1997 Ford Thunderbird LX

1 Answer

How to remove heater core from buick cintury 1995


With Air Conditioning
CAUTION When draining the coolant, keep in mind that cats and dogs are attracted by ethylene glycol antifreeze, and are quite likely to drink any that is left in an uncovered container or in puddles on the ground. This will prove fatal in sufficient quantity. Always drain the coolant into a sealable container. Coolant should be reused unless it is contaminated or several years old.

  1. Disconnect the negative battery cable and drain the cooling system.
  2. Disconnect the heater hoses from the heater core inlet and outlet connections in the engine compartment.
  3. Allowing residual coolant from the heater core to drain. Cap the openings.
  4. Working inside the vehicle, remove the lower instrument panel sound insulator.
  5. Remove the heater floor outlet duct screws or clips and remove the duct.


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Remove the heater floor outlet duct screws or clips ...


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... then remove the heater floor outlet duct

6. Remove the heater core cover by removing the attaching screws and clips.

7. Remove the heater core cover.

8. Remove the heater core retainers and remove the heater core.


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Remove the mounting bolts which retain the heater core

To install:
  1. Position the heater core in the housing and install the retaining straps.
  2. Position the heater core cover on the housing and install the attaching screws and clips.
  3. Install the floor outlet duct and attaching screws or clips.

0aed66b.gif
Exploded view of the heater core and case assembly

  1. Install the lower instrument panel sound insulator.
  2. Working in the engine compartment, connect the heater core inlet and outlet hoses.
  3. Fill the cooling system.
  4. Start the engine and check for coolant leaks. Allow the engine to warm up sufficiently to confirm the proper operation of the heater.
  5. Recheck for leaks. Check the cooling system level.
  1. Drain the cooling system.

72f974e.gif
Heater and air conditioning module assembly

CAUTION When draining the coolant, keep in mind that cats and dogs are attracted by the ethylene glycol antifreeze, and are quite likely to drink any that is left in an uncovered container or in puddles on the ground. This will prove fatal in sufficient quantity. Always drain the coolant into a sealable container. Coolant should be reused unless it is contaminated or several years old.


  1. If equipped with a diesel engine, raise and support the car on jackstands.
  2. Disconnect the hoses at the core.
  3. On diesels, remove the instrument panel lower sound absorber.
    1. Remove the heater duct and lower side covers.
    2. Remove the lower heater outlet.
    3. Remove the two housing cover-to-air valve housing clips.
    4. Remove the housing cover.
    5. Remove the core restraining straps.
    6. Remove the core tubing retainers and lift out the core.
  4. To install:
    1. Install the core, then attach the core tubing retainers.
    2. Attach the core restraining straps.
    3. Install the housing cover, then install the two housing cover-to-air valve housing clips.
    4. Install the lower heater outlet, then attach the heater duct and lower side covers.
    5. On diesels, install the lower instrument panel sound absorber.
    6. Connect the hoses at the core.
    7. Lower the vehicle if raised and supported.
    8. Fill the cooling system.
    9. Start the engine and check for coolant leaks. Allow the engine to warm up sufficiently to confirm the proper operation of the heater.
    10. Recheck for leaks. Check the cooling system level.

Mar 07, 2010 | 2000 Buick Century

1 Answer

How do i replace a heater core in a 1994 vw passat


remove dashboard.  and knee panel.  center console.  remove bolt holding tip stereing wheel. disconnect all wiring. leave heater controls connected to heater housing, but remove from dash. seperate heater housing from blower housing by removing 6 clips.  remove two nuts from under hood on firewall and disconnect heater hoses.  pull heater housing from firewall and seperate from blower housing.  remove heater core from heater housing.  took me an hour and a half to remove.  two clips are between firewall and heater housing, and was able to pop them off when i tugged on heater housing.

Nov 05, 2009 | 1994 Volkswagen Passat

2 Answers

1993 taurus heater core replacement guide


This is a big job which involves discharging and removing parts of the A/C system as well as removing parts of the dash. I had the core done on a 94 Sable years ago and it was a very labor intensive and expensive job. Here are some instructions I found for a 94 Taurus which should be the same thing or similiar, but I don't guarantee that. Please note that these instructions were not tested by me and may contain errors or be incomplete in some way. For example "remove instrument panel" sounds simple but in reality is a process in itself requiring the removal of many screws. Naturally you would have to recharge the A/C and refill the coolant when done.
__________________________________________
Removal

1. Remove instrument panel and lay it on front seat.
2. Remove A/C evaporator housing as outlined.
3. Remove vacuum source line from heater dash panel seal (18529).
4. Remove heater dash panel seal from heater core tubes (refer to Heater Case Assembly).
5. Remove four heater core access cover retaining screws and remove heater core cover (18B300) from A/C evaporator housing.
6. Lift heater core and seals from A/C evaporator housing.
________________________________________________
Installation

1. Transfer three foam core seals to new heater core.
2. Install heater core and seals into A/C evaporator housing.
3. Position heater core cover on A/C evaporator housing. Install four retaining screws.
4. Install heater dash panel seal on heater core tubes.
5. Install vacuum source line through heater dash panel seal.
6. Install A/C evaporator housing into vehicle as outlined.
7. Reinstall dashboard components.

Best of Luck!

SC442299




Aug 19, 2008 | Ford Taurus Cars & Trucks

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