Question about 1994 Dodge Caravan

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I'm replacing the heater core in my 1994 dodge Caravan. I've ripped the dashboard apart and all the metal bracings as well as the nuts on the engine side of the firewall have been removed, but there seems to be something still holding on behind the steering wheel that I cannot get to or find. It seems that the entire dash has to be removed and the HVAC box will come out with it. If there is an easier way to remove the HVAC box without taking the entire dashboard with it, please let me know!

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  • Dodge Master
  • 14,036 Answers

I WILL GIVE YOU INSTRUCTION.GIVE ME LITTLE TIME GOT TO WORK IN A LITTLE WHILE.GET BACK WITH YOU.

Posted on Mar 11, 2011

  • Jonah Oneal Mar 12, 2011

    SORRY LATE GETTING BACK TO YOU HAD TO WORK 12 HR SHIFT. TO REMOVE HEATER CORE. DISCONNECT THE NEGATIVE BATTERY CABLE.DRAIN THE COOLANT SYSTEM. REMOVE THE LOWER STEERING COLUMN COVER AND BOTH SIDE UNDER PANEL SILENCERS REMOVE THE LOWER REINFORCEMENT UNDER THE STEERING COLUMN RIGHT SIDE COWL AND SILL TRIM. REMOVE THE BOLT HOLDING THE RIGHT SIDE INSTRUMENT PANEL TO THE RIGHT COWL. LOOSEN THE 2 BRACKETS SUPPORTING THE LOWER EDGE OF THE HEATER HOUSING, REMOVE THE INSTRUMENT PANEL TRIM COVERING AND REINFORCEMENT. REMOVE THE RETAINING SCREWS FROM THE RIGHT SIDE TO THE STEERING COLUMN. DISCONNECT THE VACUUM LINE AT THE BRAKE BOOSTER. REMOVE THE ACCESSORY SWITCH CARRIER AND STORAGE MODULE. CLAMP OFF THE HEATER HOSES NEAR THE HEATER CORE AND REMOVE THE HOSES FROM THE CORE TUBES TO PREVENT SPILLAGE OF COOLANT. REMOVE THE HEATER ASSEMBLY RETAINING NUTS AT THE FIRE WALL. DISCONNECT THE BLOWER MOTOR WIRING RESISTOR AND THE TEMPERATURE CONTROL CABLE. DISCONNECT THE HANGER STRAP FROM THE PACKAGE AND ROTATE IT OUT THE WAY. PULL THE RIGHT SIDE OF THE INSTRUMENT PANEL OUT AS FAR AS POSSIBLE. FOLD THE CARPETING AND INSULATION BACK TO PROVIDE A LITTLE WORKING ROOM AND TO PREVENT SPILLAGE FROM STAINING THE CARPETING. PULL THE HEATER CORE ASSEMBLY OUT FROM UNDER INSTRUMENT PANEL AND REMOVE IT FROM THE VECHICLE. BEFORE YOU INSTALL NEW HEATER CORE. YOU HAVE TO CLEAN OUT THE INSIDE OF THE HOUSING. WRAP THE HEATER CORE WITH FOAM TAPE AND PLACE IT IN POSITION. I HOPE THIS HELP YOU.GOOD LUCK.

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1994 dodge caravan 3.3 L . I replaced thermostat 195. filled rad , ran motor for 1 hour with cap off , no bubbles, put cap on , ran 10 min, temp in car low worm not hot worm.


so we can assume you removed all bubbles by bleeding and no vapor lock in engine.(i assume that you did this when in front of car is raised to collect bubble at highest point)


if done correctly there should not be any bubbles in system. so we can say that your cabin heater core is clogged partially. remove is and clean it. if it cant be done you need a new heater core. to reach it you need to remove some dash panels. dont brake clips when removing dash.

Nov 22, 2011 | 1994 Dodge Caravan

1 Answer

How do I get the heatercore cover off of the heatercore. Have took out all the bolts out. Can not get it loose from the firewall.


Hello jsheets4,

This is not an easy job, you must remove the dashboard to gain access to the heater core.

Below is an outline on how to do the job.

1. Disconnect the battery ground cable.
2. Discharge and recoverthe A/C system refrigerant.
3. Drain engine coolant.
4. Disconnect engine compartment heater hoses, A/C lines and vacuum hoses.
5. Remove the dashboard.
6. Disconnect A/C hanger strap and reposition for access, unplug blower motor.
7. Remove rubber condensate drain tube and four mounting nuts on engine compartment side
firewall.
8. Pull plenum assembly out until the studs clear and remove from vehicle.
9. Place unit on a work bench then remove the screw at the vacuum harness then feed harness through the hole in cover.
10. Remove the thirteen screws from the top cover and remover cover.
11. Remove screw from heater co tube retaining bracket then lift heater core out of plenum.
13. Reinstall in reverse order.


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I hope this helps.

Regards,

Jerry

Aug 28, 2011 | 1994 Dodge Caravan

2 Answers

My dodge 2000 caraVAN HEATER DOESN'T WORK


check coolant level if full try replacing the thermostant,i ve checked of few of these and most were just low on coolant, i would start there. hope this helps.

Jan 03, 2010 | 2002 Dodge Caravan

1 Answer

1994 dodge caravan. No heat. two hoses ar e disconnected. One is from firewall. Is there a part missing.


If it is an inlet hose, there should be a valve that allows water into the heater core. Usually, when someone disconnects these particular hoses, it is because of a leaky heater core. You may have more issues after you reconnect, however in order to get heat, they will have to be connected and if your heater core then leaks, (in the passenger side floorboard), you will have to replace the heater core as well. Good Luck! I hope you find this to be very helpful!

Dec 17, 2009 | 1994 Dodge Caravan

1 Answer

No heat


One or more of:

1. Your coolant level is low
2. Your thermostat doesn't close and needs to be replaced
3. The valve from the cooling system to the heater core is stuck
4. Your heater core is clogged

Dec 17, 2009 | 1994 Dodge Caravan

2 Answers

How do i change heater core in 1999 dodge caravan?


Big job.
Remove the dash. The heater-core is behind the center console.

Oct 25, 2009 | 1999 Dodge Grand Caravan

1 Answer

The heat in my 1994 dodge caravan does not work. The van will heat up and then I try the heater sometimes it starts to then it fades to coolness.


Sounds like a partial plug in a heater hose or the heater core itself. There's not a full flow of water and it cools off faster than its replenished.The hot water valve may not be opening all the way either. Backflush the heater core,run water from a hose the opposite way it normally flows,Thru the core to clear it. Check hoses the same way. Also chech them for soft spots the hose may be collapsing internally.If the engine is not overheating the water pump is probably ok . if it is running a little too hot the thermostat may not be opening all the way either/ Replacing it could help too. Chibasset

Oct 23, 2009 | 1994 Dodge Caravan

1 Answer

How do you replace a heater core and fan motor


REPLACING HEATER CORE
  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 05, 2009 | 1997 Dodge Dakota

1 Answer

Very Little Heat.


HAVE THE BLOWER MOTOR WIRING CHECK

Jan 22, 2009 | 1994 Dodge Caravan

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