Question about 1996 Dodge Caravan

1 Answer

How to solve this no heat problem?

Dodge Caravan 3.0 V6 1996. Inlet and outlet of the heater core get hot. When i squeeze the inlet or outlet hose, i see the level underneath the radiator cap go up and down. Air blower works fine, but it won't give me warm air. How do i check the coolant pressure? What should the pressure be? Doesn't look like i have a leak in the system. Could it be a fault in the cold to warm switch? Or maybe the little door that should direct the air over the heater? Hope we can fix this problem. Cheers, Joey.

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  • Dodge Master
  • 2,517 Answers

Blend doors are not working.

Posted on May 17, 2017

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

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Posted on Jan 02, 2017

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Anonymous

  • 7 Answers

SOURCE: i have a 2000 dodge caravan, no heat

Sounds like the air "blend" door might be inoperable. This door opens and closes a specified amount to regulate the amount of either cooled or heated air, as requested by the climate control unit. If the door is continually in the position which is bypassing the heater core (cold setting), the air will not get warm regardless of the condition/operation of the heater core. I'd suggest having this component checked.

Posted on Nov 28, 2008

Nomodo4u

Poppy Chulo

  • 863 Answers

SOURCE: Dodge 2002 Grand Caravan V6 3.3 engine overheating/no cabin heat.

Replace the bad radiator hose first.  Second- get you special formulated anti-freeze dye from the auto store and pour it into the radiator.  Third- make sure you got all the air pockets out of your system, cause the coolant system won't work with air pockets in it.  Fourth- Check for leaks by looking for the colored dye.  If it's not the radiator hose, then could possibly be a pin hole in your radiator.  Would suggest replacing all the radiator hoses at the same time while you got the coolant system disconnected, cause you don't want to have to come back and replace another hose in a few months.

Posted on Nov 06, 2009

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Anonymous

  • 71 Answers

SOURCE: 2001 Dodge Caravan SE 2.4 Liter 4 Cylinder. Heat

is the themostat working i would try to change that next

Posted on Nov 07, 2009

morse008

Duane Morse

  • 1111 Answers

SOURCE: I have a 98 dodge 1500 5.9 with 180k.Changed the

your sure you installed thermostat correctly and no leaks around it ...are both top and bottom hoses hot going into and out of the heater-core and all fluid temps are at specified levels ...
you may also have an air bubble which when back-flushing may occur was the vehicle getting heat prior to reinstalling another thermostat / and while fluid was replaced into the radiator circulation /flow of exchange from the motorto the radiator are presenty working no vacuum lines are dry-rotted causing a vacuum leak ..hmmm you can hear the heater flaps open and change from the dash defrost to floor to vents etc ok that sounds like its working but check with the cap off to the radiator for proper fluid levels and that the fluid is exchanging and both the top and botto hose into and out the firewall are hot if the top is hot and the bottom one is coldyou may still have a lot of sediment /gunk in the core itself and reflushing the core is required and remember not to use full force when doing so or you risk rupture to the unit /core with the motor off remove the 2 hoses face the bottom or top on towards the catch pan because its illegal to disburse it onto the ground and whether your back flushing it or just running the water through you will also dislodge the air bubble as it fills with water after your sure the above is all looked into check to ensure the flow of fluid is present ...this is my starting point on your issue ...

Posted on Dec 16, 2009

jturcotte

Jeffrey Turcotte

  • 8984 Answers

SOURCE: my 1994 dodge caravan 3.0L has no heat.both inlet

Way up under the dashboard, is your blend door lever that is opened and closed by the termperature control cable. We often find that the part that holds the cable sheath has come loose and no longer holds the sheath such that the cable inside will move the lever to open the door. I show the location and then a close-up of the mechanism below. You need to check to see if the cable is actually moving the lever and if not, reclamp the sheath so that it does. Please let me know if you have more questions.

jturcotte_282.gif
jturcotte_283.gif

Posted on Nov 25, 2010

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1 Answer

I have a 1997 dodge ram 1500 the heater does not blow hot air but the inlet hose to the heater core is hot on the inlet and outlet side thermostat heats up to 200 degrees


If both heater hoses are warm/hot,look under the dash at the heater core area and look for a air blender door lever.it may be disconnected .Or try to open it manually which should allow the air flowing through the hot heater core to enter the vehicle.

If only one hose is hot the heater core may be plugged internally.disconnect the heater hoses and back flush the heater back and forth with a garden hose until you get a unrestricted flow of water.

When disconnecting any heater hoses just clamp them off so you do not have to drain the complete system while working on "just" the heater.

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  • Low engine coolant level.
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  • Temperature blend door actuator (19E616).
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Are the heater hose's going through the fire wall hot ?
I2 CHECK FOR HOT WATER TO THE HEATER CORE INLET HOSE WARNING: The heater core inlet hose will become too hot to handle and may cause serious burns if the system is working correctly. Allow the engine to reach normal operating temperature. Feel the heater core inlet hose.
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Yes GO to I4 .

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OK guys I need the inlet and outlet diagram for the front heater core on my 2004 Dodge caravan 3.8 liter


2004 dodge caravan I also have 2008 Chrysler Pacifica and I had purchased its manual from online store reliable-store.com. Here's the site link
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You need to check the fluid level. Bleed the the air out. All you need to do is add fluid to your radiator and reservoir.drive it around for like a few miles and add more. If the inlet and outlet hoses are not hot then I'd check your water pump. If your inlet hose is hot but your out let is cold then it's your heater core. Clogged or not working.

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  3. Remove the outlet heater hose from the heater core.
  4. Reposition the inlet heater hose clamp at the heater core.
  5. Remove the inlet heater hose from the heater core.
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1 Answer

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Sounds like the temperature blend door actuator may be bad or the vacuum hose to it is disconnected.

Poor Heater System Performance CAUTION
Check all fluid levels and adjust as needed, before operating vehicle for extended periods at idle.
  1. Start the engine.
  2. Idle the engine until the thermostat opens (upper radiator hose will be hot) Is the engine at normal operating temperature (approx. 200° F)? If yes, go to the next step. If no, go to step 16.
  3. Set the mode selector to FLOOR mode.
  4. Set the heater control selector to the warmest temperature setting.
  5. Set the blower speed the lowest setting.
  6. Carefully feel the inlet and outlet heater hoses at the heater core. Is the inlet heater hose significantly hotter than the outlet heater hose? If yes, go to step 14. If no, go to the next step.
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  13. Inspect the temperature door operation. Repair any problems found, go to step 17.
  14. Turn OFF the engine. Back-flush the heater core. Start the engine. Select the FLOOR mode and the lowest blower speed. Select the warmest temperature setting. Feel the temperature of the inlet and outlet heater hoses at the heater core. Is the inlet heater hose feel significantly hotter than the outlet heater hose? If yes, go to the next step. If no, go to step 17.
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  16. Check for low engine temperature problems, Repair or replace as needed, go to step 17.
  17. Operate the system in order to verify the repair. If the system operates properly, the repair is complete. If the heater still does not work properly, repeat the entire procedure.

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