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I just recently replaced the air conditioning system compressor on my car (2009 Honda CRV). In talking to a number of mechanics, several of them stated that the car was getting to the point where it was likely to fail - apparently this is something that often happens when the car gets to around 100,000 miles (which mine has almost reached).

I believe the air conditioning system in the card and in my house work more-or-less the same way: refrigerant is compressed and allowed to cool, then expanded and the resulting cold refrigerant cools the air in the car/house.

The air conditioning in my house runs longer than the air conditioning in my car - I spend more time at home than I do driving in the heat.

Why is it that one would expect a car air conditioner compressor to fail around 100,000 miles/10 years when the air conditioner in my house is working nicely with no signs of trouble?

I can imagine a couple of differences:

  1. some difference in construction: the auto a/c is engineered to be lighter than a house a/c

  2. vibration: the auto a/c is subject to constant vibration while the car is running.

Is the reason one of these things, or is it something else?

Pᴀᴜʟsᴛᴇʀ2
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Kryten
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