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2008 V70III Yet another whining noise problem (with videos)

Help, Advice, Owners' Discussion and DIY Tutorials on the current (third) generation Volvo V70 wagon and XC70 crossover, and second generation S80.

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bobjet
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Year and Model: 2008 XC70
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Re: 2008 V70III Yet another whining noise problem (with videos)

Post by bobjet » Wed Jan 17, 2018 10:13 am

I've got the same thing - a whine when the compressor is on in my 2008 XC70. At first I thought if was my transmission and my heart sank, but then I discovered it only whined when the AC was engaged. I was hoping it would not involve an entire compressor replacement, and that I could get away with just an AC clutch and bearing.. Wishful thinking?

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June
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Re: 2008 V70III Yet another whining noise problem (with vide

Post by June » Wed Jan 17, 2018 10:42 am

Pleco wrote:
Wed Aug 05, 2015 11:37 pm
Had my Timing belt changed 3 days ago. Noise still there. Definitely goes away when switching off the AC.

Will be going back to mechanic next week for a list of other items to be done. Will let you know what came up.

Years ago my 2004 S80 did the same thing and oil was added to the system and Freon replaced which pretty much quieted the noise. That was several years and about 50K. Also the condenser was cleaned with a.c. coil cleaner which was washed off with a pressure washer. The condenser coils were clogged up with dirt and bug causing high Freon pressure. June
My Volvo cars owned
1989 740 GLT ordered
1994 850 4door standard shift ordered
1996 960 ordered
1998 S90 ordered totalled after 3 weeks
1998 V70 GT dealer stock car
2002 S80 T6 ordered totalled
2004 S80 T6 dealer stock car and current car owned

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abscate
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Re: 2008 V70III Yet another whining noise problem (with vide

Post by abscate » Wed Feb 21, 2018 10:56 am

June wrote:
Wed Jan 17, 2018 10:42 am
Pleco wrote:
Wed Aug 05, 2015 11:37 pm
Had my Timing belt changed 3 days ago. Noise still there. Definitely goes away when switching off the AC.

Will be going back to mechanic next week for a list of other items to be done. Will let you know what came up.

Years ago my 2004 S80 did the same thing and oil was added to the system and Freon replaced which pretty much quieted the noise. That was several years and about 50K. Also the condenser was cleaned with a.c. coil cleaner which was washed off with a pressure washer. The condenser coils were clogged up with dirt and bug causing high Freon pressure. June
If you kept it under 90 mph those poor June bugs would have a chance to get out of the way...
1 SWMBO for 30 years
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June
Posts: 1148
Joined: Wed May 04, 2016 11:18 am
Year and Model: 2004 S80 T6
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Re: 2008 V70III Yet another whining noise problem (with vide

Post by June » Wed Feb 21, 2018 11:11 am

abscate wrote:
Wed Feb 21, 2018 10:56 am
June wrote:
Wed Jan 17, 2018 10:42 am
Pleco wrote:
Wed Aug 05, 2015 11:37 pm
Had my Timing belt changed 3 days ago. Noise still there. Definitely goes away when switching off the AC.

Will be going back to mechanic next week for a list of other items to be done. Will let you know what came up.

Years ago my 2004 S80 did the same thing and oil was added to the system and Freon replaced which pretty much quieted the noise. That was several years and about 50K. Also the condenser was cleaned with a.c. coil cleaner which was washed off with a pressure washer. The condenser coils were clogged up with dirt and bug causing high Freon pressure. June
If you kept it under 90 mph those poor June bugs would have a chance to get out of the way...
Well you know how all that effortless power the T6 has effects my naturally heavy lead foot! She doesn't start breathing till 140 and at that speed they go right through :lol: . June
My Volvo cars owned
1989 740 GLT ordered
1994 850 4door standard shift ordered
1996 960 ordered
1998 S90 ordered totalled after 3 weeks
1998 V70 GT dealer stock car
2002 S80 T6 ordered totalled
2004 S80 T6 dealer stock car and current car owned

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