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
SOURCE: 2004 dodge stratus,heater blows cold.
Remove both heater hoses from motor. Put your garden hose in one end and tape on securely with the other end pointing in a direction the water flow from it will not hit distributor or other vital electronics. Turn on hose - If water come out of heater core at same rate as you are pumping it in then your heater core is flowing - if not then your core is blocked or plugged. Be mindful - if the core is plugged the water will break the seal of the garden hose and heater hose, spraying everywhere, so turn the water on low to check and be ready to shut off quickly!!
SOURCE: heater core
The automotive repair manuels that you can buy at the major part stores such as Autozone, Advance or ORiley's do a good job of describing how the heater core is removed. Most heater cores come out from under the dash, while a rare few are removed from the firewall.
One wonders why you are changing the heater core. Are you getting steam on the inside of your windshield? Usually the best indication your heater core is leaking, or are you getting no heat? In which case it make be duct doors.
Bill
SOURCE: how to change a heater core
Once you pull the dash out and get the old core out. If you have a copper one take a tubing cutter and cut the tubes in half that go through the firewall.Grt yourself two half inch copper couplers.Run the two pieces through the fire wall then drop the core in place connect then solder. If aluminum similar cut then flare both ends then connect with rubber heating hose and clamps and away you go. Then you don't have to disconnect air conditioning.
Regarding this types of problem,i suggest you to go through this help links.Click the link below to go through the procedure and troubleshoot the problem :----HOW TO REPLACE AN UPPER RADIATOR HOSE
http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-upper-radiator-hose.html
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HOW TO REPLACE A LOWER RADIATOR HOSEhttp://schematicsdiagram.blogspot.com/2011/07/how-to-replace-lower-radiator-hose.html
----------How to Flush Heater Core?http://schematicsdiagram.blogspot.com/2011/12/how-to-flush-heater-core.html
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For heater core replacing procedure. I suggest you to go through this related help links.Its all complete step by step procedure: ----How to replace heater core for All car models?
Click the link below: ---
http://technoanswers.blogspot.com/2011/11/how-to-replace-heater-core-for-all-car.html
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How to Flush Heater Core?
http://schematicsdiagram.blogspot.com/2011/12/how-to-flush-heater-core.html
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How to Remove Heater Core ?
http://howtobyme.blogspot.com/2011/12/how-to-remove-heater-core-on-2008-honda.html
Heater Core Replacement?
http://howtobyme.blogspot.com/2011/12/honda-heater-core-replacement.html
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To replace heater core?http://technoanswers.blogspot.in/2012/02/how-to-replace-heater-core-on.html------
How to replace heater core?http://technoanswers.blogspot.in/2012/02/how-to-replace-heater-core-on_10.html
How to replace heater core on Buick Regal?
http://howtobyme.blogspot.in/2012/02/how-to-replace-heater-core-on-buick.html
----------This will help.Thanks.
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