Question about 2002 Honda Odyssey

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My honda oddssey 2002 heater is blowing out could heat, but the rear gets hot. What could be wrong?

The heater blows out cold air at times and sometimes the heater blows out heat. when my van warms up and I accelerate on the gas sometimes it blows out heat, but when I take my foot off the gas pedal cold air comes out. However the back of the van remains with heat. What could be wrong?

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: rear air conditioner

Hi Moonaw,
Take the vehicle to an expert on AC and ask them to check the gas pressure. If that's ok, then have the evaporator (that's the thing that looks like a small radiator which is the heat exchange unit inside the cabin. also have them check the expansion valve for the rear compartment...The fault must be in that section as the condenser, dryer and compressor are common to both front and rear outputs.

Best regards

Johngee10

Posted on Aug 27, 2008

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  • 60 Answers

SOURCE: heater only blows hot air when pressing on the gas pedel.

that is most likely caused by a lack of coolant flow thru your heater core, have your local repair facility ( or yourself if you are able) flush the heater core.

They only need to flush the heater core, this is no the same as a coolant flush as that puts very little pressure on the heater sore and will not be sufficiant to dislodge any debris in the heater core.


Posted on Nov 22, 2008

  • 597 Answers

SOURCE: while driving the heater will start blowing cold

You may have a thermostat that is starting to fail. It is probably sticking. If you have a termperature gauge see if the termperature is low at the same time it blows cold air or if you can catch it when it's blowing cold air carefully check the temperature of your radiator hoses at the same time.

Posted on Dec 05, 2009

  • 55 Answers

SOURCE: heater blow cold air in my 1994 Honda Accord (4

Yes clogged heater core may be the answer in your case .


Posted on Dec 11, 2009

  • 84 Answers

SOURCE: 1999 Honda Accord heater not blowing hot air

Sounds like a thermostat or cooling system issue. Change the fluid and the thermostat. It will do your engine good so it's money well spent.

Posted on Dec 31, 2009

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As per your problem mentioned. There are few solved help links to troubleshoot these problems. Go through the list and Click the link below:----


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http://schematicsdiagram.blogspot.in/2012/02/heater-blows-cold.html

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Heat blows cold on drivers side and hot on passenger side?

http://schematicsdiagram.blogspot.com/2011/12/heat-blows-cold-on-drivers-side-and-hot.html

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Car heater blowing warm, but not hot air?http://schematicsdiagram.blogspot.com/2011/12/car-heater-blowing-warm-but-not-hot-air.html

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