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Sir good day

Tiny
ROCHJOHN19
  • MEMBER
  • 1997 MITSUBISHI LANCER
Sir good day. After I turn off the AC there is a grinding sound. But when the AC is on that grinding sound gone. I dont know what is that sounds.
Wednesday, November 21st, 2012 AT 10:55 AM

4 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
That would tend to indicate a bad clutch pulley bearing. That ultimately would mean replacing the compressor and dryer.
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Wednesday, November 21st, 2012 AT 11:00 AM
Tiny
ROCHJOHN19
  • MEMBER
  • 14 POSTS
Thank you sir. It happend after I changed a second hand compressor. The aircon technician told me that compressor is the problem because only blower runs when I turn on the AC. So I decided to buy a second hand compressor. But thats what happen.
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Wednesday, November 21st, 2012 AT 11:40 AM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
A/C repair is not a DIY job. A lot of experience is required to recognize issues and understand just what needs to be done to the system and what needs to be added to it. You have no idea how much oil is in the system or even why the first compressor failed. If it had an internal failure, then it has likely contaminated the rest of the system which will lead to yet another failure. I suggest you let a qualified shop deal with this.
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Wednesday, November 21st, 2012 AT 12:00 PM
Tiny
ROCHJOHN19
  • MEMBER
  • 14 POSTS
Thank you sir! Yes I will go to a qualified shop to fix this.
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Wednesday, November 21st, 2012 AT 11:56 PM

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