Question about 1998 Dodge Ram 1500 4WD

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A/C Evaporator repacement

How do I remove the heater core and Evaporator box from a 1998 full size Dodge pick up?

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Remove screws from housing, as well as blower motor. disconnect hoses from heater core and remove heater core. installation is reverse of removal.

Posted on Jul 31, 2008

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Trying to find the location of heater core on a 2009 Dodge Journey V6


The heater core is not where you will be able to see it, unless you watch the movie "Honey, I Shrunk the Kids" and you shrink. :-)
This core is under the dashboard, on the right side of the car, basically in front of the shins of the passenger.
It is covered with a ********* plastic box.
That box cannot be removed without a whole lot of work, but inside is the heater core, the air conditioner evaporator, the blower fan, and the ductwork that directs the warmed or cooled air to wherever you want it to go.
God bless your efforts.

Nov 01, 2016 | Dodge Cars & Trucks

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Remove heater core 2003 dodge stratus


This is a BIG job, requiring removal of the dashboard, discharging the a/c system, and removing the heater/airconditioning unit from the car (a big box with the evaporator, heater core, blower fan, and various doors that direct airflow). If you want to DIY, there are several videos on YouTube for similar models - you can view those to get an idea of what is involved.

Oct 29, 2016 | 2003 Dodge Stratus

2 Answers

Why must i discharge the air conditioning refridgerant prior to removal of the heater core on a 2003 c230 mercedes 1.8l coupe.


The reason in why you must evacuate the a/c system with an a/c machine before you can remove the heater core is because the evaporator is located inside of the heater core box assembly. So before the heater core box assembly can be removed the a/c system must be evacuated then you can disconnect the a/c lines that go through the firewall to the evaporator.

Jul 01, 2015 | 2004 Mercedes-Benz C230 Kompressor

1 Answer

How do i replace the heater core 1997 isuzu hombre


See me at website for images can only send one through this channel. www.autorepairhelp.us

Best Regards,

Master Tech Lee

HEATER BOX SHIELD
Image
Heater Box Heat Shield
Remove or Disconnect
1. Fasteners that retain heat shield to heater box assembly.
Image [ Heater Box Heat Shield
Install or Connect
1.Fasteners that retain heat shield to heater box assembly.
Tighten
-Bolts Screws to 2.2 N.m (25 lb in).
HEATER ASSEMBLY
Image ' Heater Hoses
Image ' A/C Evaporator Tube Assembly
Image ' Evaporator Core
Image ' Evaporator Core Assembly
Image ' Heater Assembly
Remove or Disconnect
1.Engine coolant. Refer to Draining and Filling Cooling System in Engine Cooling.
2.Heater hoses. Refer to Heater Hoses.
3.Instrument panel. Refer to Instrument Panel Replacement in Interior Trim.
4.Air inlet assembly. Refer to Air Inlet Assembly Replacement.
5.Vacuum lines.
Important
-Clearly label vacuum line connections.
6.Heater assembly studs inside engine bay.
7.Blower motor resistor. Refer to Blower Motor Resistor.
8.Stud inside heater core housing.
-Stud is revealed by removing the blower motor resistor.
9.Rear case screws.
10.Heater assembly.
11.Seals.
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Heater Hoses
A/C Evaporator Tube Assembly
Evaporator Core
Evaporator Core Assembly
Heater Assembly
Install or Connect
1.Seals.
2.Heater assembly.
3.Rear case screws.
4.Stud inside heater core housing.
Tighten
-Stud to 1.9 N.m (17 lb in).
5.Blower motor resistor. Refer to Blower Motor Resistor.
6.Heater assembly studs inside engine bay.
Tighten
-Studs to 1.9 N.m (17 lb in).
7.Vacuum lines.
8.Air inlet assembly. Refer to Air Inlet Assembly Replacement.
9.Instrument panel. Refer to Instrument Panel Replacement in Interior Trim.
10.Heater hoses. Refer to Heater Hoses.
11.Engine coolant. Refer to Draining and Filling Cooling System in Engine Cooling.
-Check the system for leaks.


Auto Repair Help US 699e5693-1e5b-4101-9428-b5c0b4e46f83.jpg

Sep 06, 2014 | 1997 Isuzu Hombre

1 Answer

On the 1998 ford explorer heater core removal i can see the bolt or nut thats directlly behind the engine block,how do i gain access are what is the process to gain access to the bolt or nut?


SECTION 412-02: Heating/Defrosting 1998 Explorer/Mountaineer Workshop Manual REMOVAL AND INSTALLATION Heater Core Removal
  1. NOTE: If a heater core leak is suspected, the heater core must be leak tested before it is removed from the vehicle. For additional information, refer to Section 412-00 .
    Drain the radiator. For additional information, refer to Section 303-03 .
  1. Remove the heater water hoses.
    1. Squeeze the clamps and pull the hoses off.
    1. Disconnect the vacuum hose from the water control valve.
  1. Remove the instrument panel. For additional information, refer to Section 501-12 .
  1. Remove the A/C evaporator core housing. For additional information, refer to Section 412-03 .
  1. Remove the A/C evaporator core housing. For additional information, refer to Section 412-03 .
  1. Remove the powertrain control module (PCM). For additional information, refer to Section 303-14 .
  1. Remove the PCM heat sink.
    1. Remove the ground strap screw.
    1. Remove the heat sink.
  1. Remove the heater air plenum nuts from the engine side of the dash panel.


  1. Remove the heater core.
    1. Remove the heater core cover to air plenum screws.
    1. Lift off the cover.
  1. Remove the heater core (18476).
  2. snorkelbobby_34.gif

Feb 05, 2011 | Ford Expedition EL Cars & Trucks

2 Answers

How do i fix the heater core on my ford taurus 1995


Hi there,

Remove heater/evaporator case. Remove vacuum source line from heater core tube seal. Remove seal from heater core tubes.
Remove heater core access cover screws. Remove access cover and seal from heater/evaporator case. Lift heater core and case seals out of heater/evaporator case.
Installation
If installing new heater core, transfer case seals to new core. Install heater core and seals into heater/evaporator case. Install heater core access cover on case. Install seal on heater core tubes. To complete installation, reverse removal procedure. Evacuate and charge A/C system. Refill cooling system.

HEATER/EVAPORATOR CASE
Removal
  • Disconnect negative battery cable. Drain coolant from radiator. Gently pull instrument panel away from right side of dash panel.
  • Discharge A/C system using approved refrigerant recovery/recycling equipment. Disconnect heater hoses from heater core. Plug heater core tubes or drain coolant by blowing coolant from heater core using low pressure compressed air. Disconnect vacuum supply hose from inside engine compartment.
  • Disconnect A/C lines from evaporator core. Plug A/C lines and evaporator core tubes. Remove instrument panel assembly brace to evaporator case bracket screw. Remove assembly brace.
  • Remove floor register and rear floor duct from bottom of heater/evaporator case. Remove nuts securing heater/evaporator case to firewall. Remove 2 screws securing support brackets to cowl top panel. Carefully pull heater/evaporator case away from firewall. Remove heater/evaporator case.
  • To install, reverse removal procedure. Evacuate and charge A/C system. Refill cooling system.
INSTRUMENT PANEL
Removal & Installation
  • Position front wheels in straight-ahead position. Disable air bag system. See AIR BAG RESTRAINT SYSTEM article in ACCESSORIES/SAFETY EQUIPMENT section. Disconnect negative battery cable. Remove steering column trim shrouds.
  • Disconnect all electrical connections from steering column switches. Remove cover from under steering column. Remove 4 bolts and reinforcement from under steering column. Disconnect parking brake release control motor from parking brake and ignition switch connector.
  • Disengage insulator retainer. Remove insulator. Remove 4 nuts and reinforcement below steering column. Remove 4 nuts securing steering column to instrument panel and lower column to front seat. Disconnect PRNDL cable (A/T models).
  • Ensure ignition switch is locked to prevent steering column from turning. Remove 4 instrument cluster retaining screws. Disconnect speed control cable and vehicle speed sensor (if equipped). Disconnect electrical connectors and remove instrument cluster. At steering column opening, remove one bolt securing instrument panel to brace. Remove one instrument panel brace bolt (below radio area).
  • Remove sound insulator under glove box by removing 2 push nuts securing insulator to studs on climate control case. Remove glove box door and compartment. Remove air cleaner housing, battery and battery tray. Disconnect wires of main wire loom in engine compartment. Disengage rubber grommet from firewall. Feed wiring into passenger compartment through hole in firewall.
  • Remove right and left kick panels. Disconnect wires from instrument panel at right and left kick panel sides. Remove screws on left and right sides of instrument panel.
  • Pull up to unsnap right and left speaker opening covers. Remove speaker covers. Working through steering column and glove box openings, reach under instrument panel and disconnect electrical connectors, vacuum hoses, A/C-heater control panel cables, and radio antenna cable.
  • Support instrument panel. Remove 3 screws attaching top of instrument panel to cowl top. Disconnect remaining wires. Remove instrument panel. To install instrument panel, reverse removal procedure.

Hope this helps...

Jan 17, 2011 | 1995 Ford Taurus

1 Answer

Replacing heater core in 03 dodge ram pick up truck 4 door with 5.7 engine


Hello,

STEP 1 Disconnect and isolate the battery negative cable.


STEP2 Remove the instrument panel. STEP 3. Recover the refrigerant from the refrigerant system,

step 4 Disconnect the liquid line refrigerant line fitting from the evaporator inlet tube. Install plugs in, or tape over all of the opened refrigerant line fittings.

step 5 Disconnect the accumulator inlet tube refrigerant line fitting from the evaporator outlet tube.Install plugs in, or tape over all of the opened refrigerant line fittings.


step 6 Drain the engine cooling system.


STEP 7 Disconnect the heater hoses from the heater-tubes.Install plugs in, or tape over the opened core tubes. Remove the Powertrain Control Module (PCM) from the dash panel and set it aside, but do not unplug the PCM wire harness connectors.


STEP 8 Remove the nuts from the heater-A/C housing mounting studs on the engine compartment side of the dash panel.

STEP 9
Remove the nuts that secure the heater A/C housing to the mounting studs on the passenger compartment side of the dash panel Pull the heater A/C housing rearward far enough for the mounting studs and the evaporator condensate drain tube to clear the dash panel holes. Remove the heater A/C housing from the vehicle. STEP 10
Remove the screws and retainers that secure the heater core to the heater-A/C housing. Lift the heater core straight up and out of the heater-A/C housing.

Aug 23, 2010 | 1984 Dodge Pickup 4WD

1 Answer

Evaporator Core in 2000 Cherokee


The center console, dash board and a-pillar trim will need to be removed as well as the heater box.

Jun 27, 2010 | 1998 Jeep Cherokee

1 Answer

Can I replace a heater core in a 2000 dodge dakota without taking the entire box out? please post a pic or vid.


no not on this one. The dash will need to be remover or pulled back about a foot. Then you will need to disconnect the heater and a/c hoses going into the firewall. Remove the box and split in half. one side will hold your heater core and the other is the evaporator.

Dec 05, 2009 | 2000 Dodge Dakota Quad Cab

1 Answer

Heater core replacement


  1. Disconnect the battery negative cable.
  2. Remove the instrument panel from the vehicle.
  3. If equipped with air conditioning, recover the refrigerant.
  4. Disconnect the liquid line refrigerant line fitting from the evaporator inlet tube.
  5. Loosen the accumulator.
  6. Dakota, Durango: disconnect the accumulator inlet tube.
  7. Drain the cooling system.
  8. Disconnect the heater hoses from the heater core tubes.
  9. Remove the powertrain control module from the dash panel. Disconnecting wiring is not necessary.
  10. Remove the four nuts from the heater-A/C mounting studs on the engine compartment side of the dash panel.
  11. Remove the nut(s) that secure(s) the heater-A/C housing mounting brace to the stud(s) on the passenger compartment side of the dash board.
  12. Pull the housing rearward far enough for the mounting studs and evaporator condensate drain tube to clear the dash panel holes.
  13. Remove the housing from the vehicle.
  14. Lift the heater core out of the housing.
  15. Installation is the reverse of removal.

Oct 11, 2009 | 1998 Dodge Dakota

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