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AC Compressor Mount Failure

Posted: Thu Nov 19, 2020 7:04 am
by Adoepner
Hi all,

The isolation bushings in the AC compressor have totally disintegrated. Gravity is just holding it in the car. Has anybody replaced these? The dealership says I need to replace 2x bracket assemblies to the tune of $130 each!

Andrew

Re: AC Compressor Mount Failure

Posted: Fri Nov 20, 2020 9:04 am
by Don
This has happened and been documented here a couple times before. A search would probably find the thread(s). Not sure what the resolution was . . . . but you're not alone

Don

Re: AC Compressor Mount Failure

Posted: Sun Dec 20, 2020 1:55 pm
by Adoepner
I purchased some replacement vibration 1/4-20 isolators of the same dimensions as OEM and the required bolts and nuts for under $30 CAD delivered from Grainger.ca. (see https://www.grainger.ca/en/product/p/GG ... @gmail.com) It was a relatively easy fix with good access from under the car. No more thunking over bumps and the AC compressor is much quieter now when heard from inside the car.

Re: AC Compressor Mount Failure

Posted: Tue Dec 22, 2020 7:28 am
by JoeS
Great! Adoepner, thank you for following up with this fix. I shudder to think what Mitsu charges for these things.

Re: AC Compressor Mount Failure

Posted: Tue Dec 22, 2020 9:36 am
by Don
. . . . . let alone what a dealer would want to install them!

Don

Re: AC Compressor Mount Failure

Posted: Mon Feb 15, 2021 6:25 pm
by Adoepner
My first set of replacement bushings were rather short-lived. I think there was some torque though the bushing as a result of the way that I installed them. I've now installed much more stout bushings: https://www.grainger.ca/en/product/VIBR ... derHistory. There is still a reasonable amount of play in the compressor, so I think these stiffer bushings will still do a good job. I'll report how they last, but I expect they'll be pretty bomber.

Andrew