When first turning on the A/C it starts with a really loud noise

Tiny
IRFANAHMED_01
  • MEMBER
  • 2013 NISSAN SUNNY
  • 1.5L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 1,400 MILES
I purchased new the vehicle listed above semi automatic (gear and only 2 front windows automatic and central lock).

At morning time or after 3-4 hour stop time, always my A/C starts with big sound (like something start with too much force and jolt), but if after 1 or half hour working I do switch-off and restart, no sound.
please guide me what is the problem. And if possible give me any solution.

thank you,

irfan ahmed
Monday, April 7th, 2014 AT 8:59 AM

2 Replies

Tiny
CADIEMAN
  • MECHANIC
  • 3,544 POSTS
It sounds like the a/c system maybe over full or it may have a compressor problem. Return to the dealer and have them test it!
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Monday, April 7th, 2014 AT 9:09 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning,

The first thing I would check is the belt. If it is loose or the tensioner is not working correctly, it will make a squealing noise. As the belt heats up, it shrinks and the noise will disappear.

https://www.2carpros.com/articles/engine-noises

Beyond that, it could be the AC compressor itself. There may be an internal issue with the compressor such as low oil.

Does the AC system work as it should?

https://www.2carpros.com/articles/how-a-car-air-conditioner-works

It would be great if you could upload a video of the noise for us to hear.

Roy
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Friday, April 3rd, 2020 AT 11:15 AM

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