Air-conditioner keep running even in the car or truck or van when you have the defroster on to heat the window

Question:
If you run the defroster in the car, The air-conditioner keep running even if you have the heat on to defrost the front window. Is that true?

Answers:

Price Shopping?

Yes... this is done to remove the moisture in the car using the A/C system. This assists in the window defrost. All modern cars with A/C are designed this way.

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Door won't open...?

yes the compresser works with the defroster.

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What can be used as a diy topcoat for automotive 2K paint?

yes, thats the way it works.

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cold air intake?

yes...its made to run with the defroster on so it stays lubricated during the winter...its for your own good

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pontiac gtp supercharged 3.8 1999?

There are 2 reasons for this
1. To help to remove moisture from inside of car.
2. To circulate oil in the a/c compressor.

Problems with PASSLOCK II on 2003 Impala?

Years ago the seals in the compressors were not very reliable and would dry up and stick to the shaft when not used for a long period of time. Like in the winter time.
So they made the a/c composer engage when in defrost mode.

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