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When the A/C shuts down a loud rattling sound occurs for 5 to 10 seconds. What causes this and is it something to be concerned with?

Post created: 2016-07-19 Type of Equipment: Air Conditioner Views: 21

This question was created on the page: https://www.furnacecompare.com/ac_ratings.html.


On 2016-07-19 Gary wrote:

It may be something as simple as a loose cabinet which can be repaired by tightening a couple of screws, but more likely the problem is something internal. The motor mount may be loose, the blower could be out of balance, or there could be a problem with the bearings. If the rattling comes from the outside unit, it may be a problem with the fan or the compressor. Most of these problems will require the skills of an HVAC professional.

We get a lot of questions in the forum about central air conditioner problems -- If you'd like to have a contractor take a look at this, we can help you find one, here


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