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What would cause the water to boil in the heater core of a 2002 caravan se with a 3.3

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It would boil if the thermostat isn't opening and the water isn't circulating to cool in the radiator. Usually this is caused by an air pocket from an amateur filling the coolant into the vehicle.

Posted on Nov 28, 2013

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 141 Answers

SOURCE: 2000 dodge grand caravan rear heater core tubes need replacing

a lot of pain and heart ache. even on a rack they are a pain . check with your dealer there wae a recall on them for failing its worth the phone call to see kdc744

Posted on Feb 08, 2009

savdragon
  • 37 Answers

SOURCE: cooling and heating

Use the following diagram to determine the configuration of your heater hoses. It is from 1992 Caravan manuals from Dodge. Hope this helps.

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If this information helped you please rate my answers
Brett

Posted on Mar 20, 2009

  • 6982 Answers

SOURCE: 1996 Pontiac Grand Am / Overheating

likely you have a blown head gasket or crack in head. Though common, this condition does not always show up in engine oil. To verify, have a shop do a hydrocarbon test on radiator.

Posted on Mar 28, 2009

LEFTY64
  • 69 Answers

SOURCE: Need to replace the heater core in a 1995 Dodge Grand Caravan SE

1991-95 Models

  1. Disable the air bag system by disconnecting the negative battery cable.
  2. Have the system discharged by a qualified professional mechanic using an approved recovery/recycling machine.
  3. Drain the cooling system.
  4. Remove the steering column cover and left and right side under panel silencers.
  5. Remove the center bezel by unclipping it from the instrument panel.
  6. Remove the accessory switch carrier and the heater/air conditioning control head.
  7. Remove storage bin and lower right instrument panel.
  8. Disconnect the blower motor lead under the right side of the instrument panel.
  9. Remove the right side 40-way connector wiring bracket.
  10. Remove the lower right reinforcement, body computer bracket and mid-to-lower reinforcement as an assembly.
  11. Disconnect the vacuum lines at the brake booster and water valve.
  12. Clamp off the heater hoses near the heater core and remove the hoses from the core tubes. Plug the hose ends and the core tubes to prevent spillage of coolant.
  13. If equipped with air conditioning, remove the H-valve and condensation tube.
  14. Disconnect the temperature control cable and vacuum harness at the connection at the top of the unit.
  15. Remove the retaining nuts from the package mounting studs at the firewall. Disconnect the hanger strap from the package and rotate it aside.

To install:
  1. Remove the temperature control door from the unit and clean the unit out with solvent. Lubricate the lower pivot rod and its well and install. Wrap the heater core and/or evaporator with foam tape and place in position. Secure with the screws.
  2. Assemble the unit, making sure all vacuum tubes are properly routed.
  3. Install the assembly to the vehicle and connect the vacuum harness. Install the nuts to the firewall and install the condensation tube. Fold the carpeting back into position.
  4. Connect the hanger strap from the package and rotate it aside. Install the 2 brackets supporting the lower edge of the heater housing. Connect the blower motor wiring, resistor wiring and the temperature control cable.
  5. Install the retaining screws from the right side to the steering column. Install the instrument panel trim covering and reinforcement.
  6. Assemble the unit, making sure all vacuum tubes are properly routed.
  7. Install the assembly to the vehicle and connect the vacuum harness. Install the nuts to the firewall and install the condensation tube. Fold the carpeting back into position.
  8. Connect the hanger strap from the package and rotate it aside. Connect the blower motor wiring and temperature control cable.
  9. Install the lower right reinforcement, body computer bracket and mid-to-lower reinforcement as an assembly.
  10. Install the right side 40-way connector wiring bracket.
  11. Install the lower right instrument panel and storage bin.
  12. Install the heater/air conditioning control head and accessory switch carrier.
  13. Install the center bezel to the instrument panel.
  14. Install the under panel silencers and steering column cover.
  15. Install the vacuum lines at the brake booster and water valve.
  16. Connect the heater hoses to the core tubes.
  17. Using new gaskets, install the H-valve and connect the refrigerant lines. Install the condensation tube.
  18. Have the system evacuated and recharged by a qualified professional mechanic, utilizing the proper equipment. Add 2 fl. oz. (59 ml) of refrigerant oil during the recharge. Fill the cooling system.
  19. Perform the Air Bag System Check procedures outlined in this section before connecting the negative battery cable.
  20. Connect the negative battery cable and check the entire climate control system for proper operation and leaks.

Posted on Apr 08, 2009

  • 316 Answers

SOURCE: 1991 Lincoln Town car overheating

The year of the vehicle, rusty liquid, and overheating, says your radiator could use a replacement. If it was your water pump, you would have liquid coming out of the water pump itself.

Posted on May 31, 2009

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1 Answer

2002 dodge caravan radiator steams but temp gauge reads normal only blows heat sometimes sounds like the water is boiling in the heater core please make some sense of this


If the radiator has steam coming of off it you have a hole in it some where have it pressure checked. Also what you are hearing in the heater core is in fact air that has got in the core due to the hole in radiator it will sound that way have a good mech check the system out and burp the heater coil a mech will no what I mean. FYI that means getting all the air out of the cooling system.

Nov 28, 2013 | Cars & Trucks

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How to install a heater core in a 2002 pontiac grand prix SE


The heater core is under the dash. Go to autozone.com and register with them. Look up heater core in repairs. They will give you free instructions on how to remove and install.

Jan 27, 2013 | 2002 Pontiac Grand Prix

1 Answer

I have an automatic 2002 Land Rover SE. When ever I turn on the A/C unit I smell anti-freeze, what could be causing this problem?


heater core will be the only reson the smell of antf is coming up
heater core can also triger engine light
core is inside suv passenger foot well

May 02, 2011 | 2002 Land Rover Freelander

2 Answers

Heater blows cold air


Heater core could be blocked up, or the blend door is stuck on the cold side of the a/c evaporator or the blend door is stuck in the cold position.

Sep 09, 2010 | 2002 Dodge Caravan

2 Answers

Found anti freeze on passanger floor Its a 2002 grand prix SE. Is it simple to fix?


It is likely the heater core.It is possibly a 4 hour or less job

Nov 23, 2009 | 2002 Pontiac Grand Prix

2 Answers

2005 Dodge caravan is overheating, but there is no heat inside the van. I changed the thermostat and also checked for air lock in the system. Is the water pump the next thing to check?


Overheating can be caused through a lot of things But 1st on the heater pipe going into the cab ,through the firewall there is 2 heater pipes 1of them has a air valve on it so when you turn to hot the vacuum opens the valve and lets the hot water come through.or it could be under the dash on inside of firewall by heater inlet.BUT check your radiator for dust and dirt in the outer cores/Loose fan balt/water pump falty/Head gasket leaking/ plus others will all cause
the car to overheat .
So let me know how you get on Ron

Oct 12, 2009 | 2005 Dodge Caravan

2 Answers

My 2002 dodge caravan has a wet front passenger side floor


Do you have A/C on your Caravan?
It may for a blocked A/C drain tube.
Look under the passenger area from under the vehicle for the drain area and clear the tube.......just go as high into the tube as necessary to clear it .....if you go too high you could damage the evaporator in the heater,A/C assembly and....watch out for water coming your way!

Sep 06, 2009 | 2002 Dodge Caravan

1 Answer

Heat Problem 2001 Dodge Caravan Se 4cyl 2.4L


the problem with no heat is caused by air temperature control blend door motor in the dash air ducting, this door moves in different positions to allow air over the heater core or to allow air over the AC evaporator core or a mix or blend of the 2 air streams to obtain the desired outlet temp.. The bad news is the dash must come out to replace this actuator.

Mar 03, 2009 | 2001 Dodge Caravan

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