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MASTER  TECH
MASTER TECH, Acura Technician
Category: Acura
Satisfied Customers: 5716
Experience:  27 years of Honda training and a master Acura tech
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2004 Acura MDX Air Conditioner blows cold, then hot, then

Customer Question

2004 Acura MDX Air Conditioner blows cold, then hot, then cold randomly. Worked part time yesterday, not at all today.
Submitted: 1 year ago.
Category: Acura
Expert:  MASTER TECH replied 1 year ago.

good afternoon i am master tech and will be able to assist you.

can you tell me if this acts like the ac was turned off and then after about 10-20 minutes it will start to work again but not as effective until it has a longer time to cool down ?

Customer: replied 1 year ago.
That is what it was like, but a couple of days ago one of the guys at worked recharged it and it still did that for 2 days. However, yesterday and today it just blows warm or hot air now, no matter what.
Expert:  MASTER TECH replied 1 year ago.
ok sounds like this has a failing expansion valve. pretty tell tail signs this is the reason for asking.
as the ambient temperatures rise the more often it will happen.
the expansion valve will actually freeze up and it has to thaw out.
can you tell me the a/c low and high side pressures ?
Customer: replied 1 year ago.
Not a clue. I'm a 75 yr old widow
Expert:  MASTER TECH replied 1 year ago.

ok can you can you have the person at your work check the air mix motor. this is on the right side of the console near the glove box. he will have to look under their

here is a picture of it have him see if it moves when the temps are moved from hot to cold just want to make sure we are not dealing with a bad air mix motor.

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