Grinding Sound When AC Air Conditioning is OFF - Volvo Forums - Volvo Enthusiasts Forum

Go Back   Volvo Forums - Volvo Enthusiasts Forum > Volvo Vehicles > Volvo S80

LinkBack Thread Tools Search this Thread
Old 03-31-2010, 03:33 PM
Junior Member
Join Date: Mar 2010
Posts: 2
Default Grinding Sound When AC Air Conditioning is OFF

Apologies in advance if this has already been covered somewhere - I've had a good look but can't find anything that seems to cover it.

I purchased a 2006 S80 SE 2.4 D5 about a week ago and have been extremely happy with it until this morning.

There's now a loud grinding noise coming from under the bonnet whenever I turn the AC OFF. When I turn the AC on the grinding dies away after a few seconds. When I turn the AC off, the grinding sound starts and continues until I turn off the AC or the engine. The sound seems to change in pitch when I go faster.

The only thing I can recall doing differently this morning is turning the temperature onto HI and the fans on full as it was very cold. The AC was on during the journey - then when I turned the engine off (which obviously turns the AC off) the grinding noise happened for the first time for a few seconds. When I turned on the engine the grinding happened for a few seconds and died off (as the AC was turning on) - then I noticed the grinding noise stays on continously when I leave the AC off.

Does anybody know what this is? Something to do with the compressor maybe? - I've read the compressor may be £500+ to replace.


Last edited by Thundamentalist; 03-31-2010 at 03:35 PM.
Reply With Quote
Old 04-03-2010, 09:44 AM
Junior Member
Join Date: Dec 2009
Posts: 2

Not that it helps, but I just had the same issue on my car. Didn't find anything that night and took the motorcycle to work the next day. The next time I ran the car, the noise was gone. If you find out what it is, please post!
Reply With Quote
Old 04-04-2010, 08:49 AM
Junior Member
Join Date: Mar 2010
Posts: 2

A family friend who's been a mechanic all his life checked it out yesterday and it's the bearings in the compressor clutch that are the problem - basically I need a new compressor which I think will cost a few hundred pounds. I've only had the car a few days though so it should be covered by the warranty as it's a mechanical fault (and it should be covered by the sales of goods act anyway - i.e. the goods should be fit for purpose) - I'm keeping my fingers crossed that the car dealership do the decent thing.
Reply With Quote
Old 04-10-2010, 10:54 PM
Junior Member
Join Date: Dec 2009
Posts: 2

Sounds expensive! I'm gonna try some WD-40 on the clutch mechanism before tearing it out.
Reply With Quote

Similar Threads
Thread Thread Starter Forum Replies Last Post
Why is my air conditioning blowing hot air and making this weird sound? sabin333 Volvo S70 5 11-02-2014 10:11 AM
Air Conditioning Won't Turn Off ihatemycar Volvo S40 2 05-28-2012 09:07 PM
Grinding sound after power steering pump change droobles Volvo C70 7 11-26-2010 03:49 PM
metal grinding and clunking sound for 2 miles aizkraukle2 Volvo XC70 1 12-20-2007 10:33 AM
grinding sound? IndyVolvo Volvo S80 5 05-04-2005 10:37 PM

ac, air, car, compressor, conditioner, conditioning, crunching, engine, grinding, loud, makes, noise, sound, turn, turned

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


All times are GMT -5. The time now is 12:59 PM.

This forum is owned and operated by Internet Brands, Inc., a Delaware corporation. It is not authorized or endorsed by the Ford Motor Company and is not affiliated with the Ford Motor Company or its related companies in any way. Ford® is a registered trademark of the Ford Motor Company.