Air conditioner compressor rattles

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BobTilley

New member
Joined
Aug 8, 2018
Posts
1
I have two Airxcel 1500 BTU heat pump/air conditioners.  On one the compressor will start to rattle after running for two to three hours.  At first it is barley noticeable, but as time progresses it gets louder and louder.  I can even put my hand on the ceiling and feel the vibration.  I have checked and made sure that everything is snugged down tight on the roof.  Any ideas what could cause this problem?  Next month we will be traveling to South Padre Island, Texas, and I am afraid that the unit may go out while we are there.  It is hotter'n blue blazed down there in September.
 

AStravelers

Well-known member
Joined
Nov 14, 2016
Posts
1,591
Location
San Antonio, TX
BobTilley said:
I have two Airxcel 1500 BTU heat pump/air conditioners.  On one the compressor will start to rattle after running for two to three hours.  At first it is barley noticeable, but as time progresses it gets louder and louder.  I can even put my hand on the ceiling and feel the vibration.  I have checked and made sure that everything is snugged down tight on the roof.  Any ideas what could cause this problem?  Next month we will be traveling to South Padre Island, Texas, and I am afraid that the unit may go out while we are there.  It is hotter'n blue blazed down there in September.
Did you take the cover off the A/C and check to see if any of the motor mounts are loose.  Also you could take the cover off the A/C when the noise is there and try to see if you figure out what is causing the problem.
 

Arch Hoagland

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Joined
Jul 11, 2014
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3,735
Location
Clovis California
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