Question about 1999 Chevrolet S-10 Pickup

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Chevrolet 2000 1500 need help removing heater core. Can't find the rest of the screws to remove the heater core a diagram would be appreciated.

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Change heater core 2000 buick lesabre


2000-2005 Heater Core Replacement Instructions REMOVAL PROCEDURE

TOOLS REQUIRED
J 38185 Spring Hose Clamp Pliers

1. Drain the cooling system. Refer to Draining and Filling Cooling System in Cooling System.
2. Remove the fuel injector sight shield.
3. Position the J 38185 in order to remove the heater hose clamps.
4. Remove the heater hoses from the heater core.
5. Remove the left side sound insulator.
6. Remove the right side sound insulator.
7. Remove the air distributor duct screws (1,2). Due to the difficulty in the removal of the right side screw (2), it will not be necessary to install upon reassembly.
8. Remove the air distributor duct.
9. Remove the heater core heat shield screws.
10. Remove the heater core heat shield.
11. Remove the heater core cover screws (1).
12. Remove the heater core cover.
13. Remove the retaining screw and strap from the heater core.
14. Remove the heater core.


INSTALLATION PROCEDURE
NOTE: Refer to Fastener Notice in Service Precautions.

1. Install the heater core into the HVAC module using the attaching straps and screws. Tighten Tighten the screw to 1.4 N.m (12 lb in) .
2. Install the heater core cover.
3. Ensuring the seals at the front of dash are in the proper positions, install the heater core cover screws. Tighten Tighten the screws to 1.4 N.m (12 lb in) .
4. Install the heater core heat shield and screws (1). Tighten Tighten the screws to 1.4 N.m (12 lb in) .
5. Install the air distributor duct and the left screw (1). Ensure the right tab is seated properly. Tighten Tighten the screw to 1.4 N.m (12 lb in) .
6. Install the left side sound insulator.
7. Install the right side sound insulator.
8. Install the heater hoses and clamps using the J 38185.
9. Install the fuel injector sight shield.
10. Fill the cooling system. Refer to Draining and Filling Cooling System in Cooling System.

Hope this helps and just 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.

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Nov 03, 2011 | 2000 Buick LeSabre

2 Answers

How Do I Replace The Heater Core In My 1999 Daewoo Leganza


Removal Procedure Disconnect the negative battery cable.
  1. Remove the instrument panel from the vehicle.
  2. Remove the heater/air distributor case from the vehicle.
  3. Disconnect the vacuum actuators from the vent-floor door and the defroster door.
  4. Remove the vacuum actuators from the heater/air distributor case.
  5. Remove the screws that secure the heater core cover to the heater/air distributor case assembly.
  6. Slowly separate the lower heater core cover from the rest of the assembly.
Remove the screw and the bracket clamp that secure the heater core lines to the case.
  1. Remove the spring clamp that secures the heater core body to the case.
  2. Remove the heater core from the case.

Feb 28, 2011 | Daewoo Leganza Cars & Trucks

1 Answer

I need to replace the Heater Coil in my 1995 Chevrolet 1500 5.7 L 2 wd


Hi, First thing lets drain coolant out of radiator.
Next take heater hoses off heater core inlet and outlets.
Then go to passenger side of truck under dash take the 5.5mm screws out of plastic peace coming down by the hump that looks flat. There is screws on back side of cover to, kinda hard to get to but you can. Remove cover then you will be able to get to heater core there is one screw with a bracket that holds heater core in place remove it then remove heater core. Put back in same order. Thanks if i can help just re post.

Jan 09, 2011 | 1995 Chevrolet K1500

1 Answer

Need to replace heater core? how do i remove old one and replace new one?


Here are the instructions with a diagram. If you need to enlarge the diagram save it to your picture files and then enlarge it there.

1. Disconnect battery ground cable, then drain cooling system. See: Engine, Cooling and Exhaust\Cooling System\Service and Repair

2. Disconnect heater hoses from heater core. Plug heater hoses and core fittings to prevent coolant spillage.


3. Remove bolt located below windshield wiper motor, attaching left end of plenum to dash panel.


4. Remove nut attaching upper left corner of evaporator or heater case to dash panel.
5. Disconnect vacuum control system supply hose from vacuum source, then push grommet and hose into passenger compartment.

6. Remove all instrument panel retaining screws and pull instrument panel back as far as possible without disconnecting any wire harnesses.
7. Loosen right door sill plate and remove side cowl trim panel.

8. Disengage temperature control cable housing from bracket on top of plenum. Disconnect cable from temperature blend door crank arm.

9. On models w/Automatic Temperature Control (ATC) , remove cross body brace and disconnect wiring harness from temperature blend door actuator and disconnect ATC sensor tube from evaporator case connector.
10. Disconnect vacuum harness at vacuum connector near floor air distribution duct.

11. Disconnect white vacuum hose from outside recirculating air door vacuum motor.
12. Remove two hush panels.

13. Remove one plastic push fastener retaining floor air distribution duct to left end of plenum. Remove left screw and loosen right screw on rear face of plenum. Remove floor air distribution duct.

14. Remove two screws from rear side of floor air distribution duct to plenum. To remove right screw, it may be necessary to remove the two screws attaching lower panel door vacuum motor to mounting bracket.

15. Remove push fastener attaching floor air distribution duct to left end of plenum, then remove floor air distribution duct.
16. Remove two nuts located along lower flange of plenum.
17. Carefully move plenum rearward, so that heater core tubes and plenum case upper stud clear openings in dash panel, then remove plenum from vehicle by rotating upper portion of the plenum forward, down and out from under instrument panel. It may be necessary to carefully pull lower edge of instrument panel rearward while plenum is being removed from behind instrument panel.
18. Remove retaining screws from heater core cover, then the cover from plenum assembly.

19. Remove retaining screw from heater core inlet and outlet tube bracket.


Heater core removal and installation diagram.




emissionwiz_78.jpg

20. Pull heater core and seal assembly from plenum assembly.
21. Reverse procedure to install.

Jan 06, 2011 | 1993 Mercury Grand Marquis

1 Answer

How do i replace a heater core in my 97 blazer


Heater Core Removal & Installation To Remove:
Heater core removal gm-10-00-651.gif

  1. Remove the heater/vent module.
  2. Remove the heater core access cover screws.
  3. Remove the heater core access cover.
  4. Remove the heater core from the heater/vent module
To Install:
  1. Install the heater core to the heater/vent module.
  2. Install the heater core access cover and screws to the heater/vent module.
  3. Install the heater/vent module assembly to the vehicle.
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Dec 19, 2010 | 1997 Chevrolet Blazer

1 Answer

Heater core replacement


Heater Core Removal & Installation To Remove:
Heater core removal gm-10-00-651.gif

  1. Remove the heater/vent module.
  2. Remove the heater core access cover screws.
  3. Remove the heater core access cover.
  4. Remove the heater core from the heater/vent module
To Install:
  1. Install the heater core to the heater/vent module.
  2. Install the heater core access cover and screws to the heater/vent module.
  3. Install the heater/vent module assembly to the vehicle.
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Oct 08, 2010 | 2003 Chevrolet Blazer

1 Answer

Help with heater core replacement - what is the easiest way to replace this?


  1. Disconnect the negative battery cable.
  2. Remove the air cleaner and duct assembly.
  3. Drain and recycle the engine coolant.
  4. Disconnect the wiper linkage from the wiper motor.
  5. Detach both heater hoses at the heater core.
  6. Remove the lower center console.
  7. Remove both instrument panel insulators.
  8. Remove the heater outlet module screws, and the heater cover.
  9. Remove the heater core mounting clip screw, and the heater core line clamp screw.
  10. Carefully pull the heater core from the case.
  11. If necessary, remove the foam seals on the heater core module for transfer to the replacement core.
  12. If necessary, remove the heater core line clamp for transfer to the replacement core.
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You must disconnect the wiper linkage to allow clearance for removing the heater core coolant hoses

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View of the HVAC module—1 is the A/C module, two is the front blower motor (interior mount style)

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View of the heater core cover and related components

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Exploded view of the heater core case assembly

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Schematic of the HVAC Module air flow controls and air path diverter doors

To install:
  1. Installation is the reversal of the removal process. Tighten the mounting screws to 27 inch lbs. (3 Nm).

Sorry but this is the only way to replace it.

Dec 07, 2009 | 1992 Chevrolet Lumina APV

2 Answers

Need to remove heater core from 2000 Daewoo Nubira


  1. Disconnect the negative battery cable.
  2. Remove the instrument panel from the vehicle.
  3. Remove the heater/air distributor case from the vehicle.
  4. Disconnect the vacuum actuators from the vent/floor door and the defroster door.
  5. Remove the vacuum actuators from the heater/air distributor case.
  6. Remove the screws that secure the heater core cover to the heater/air distributor case assembly.
  7. Slowly separate the lower heater core cover from the rest of the assembly
  1. Remove the screw and the bracket clamp that secure the heater core lines to the case.
  2. Remove the spring clamp that secures the heater core body to the case.
  3. Remove the heater core from the case.
  1. Install the heater core into the case.
  2. Secure the heater core lines to the case with the retaining bracket clamp and the screw. Tighten the heater core retaining bracket screw .
  3. Install the heater core body with the retaining spring clamp.
  1. Install the heater core cover.
  2. Install and tighten the screws that secure the heater core cover to the heater/air distributor case assembly. Tighten the heater core cover screws
  3. Install the actuators for the vent/floor and the defroster doors.
  4. Install the heater/air distributor case.
  5. Install the instrument panel.
  6. Fill the cooling system
  7. Connect the negative battery cable.

Jun 18, 2009 | 2000 Daewoo Nubira

2 Answers

1999 Chevy S10


Just pull the dash back a little by undoing all the bolts and screws, its going to be a tight fit find someone with small hands.

Oct 21, 2008 | 1999 Chevrolet S-10 Pickup

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