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S80 '06-'16 / V70 & XC70 '07-'16 General Forum for the P3-platform S80 and 70-series models |
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XC70 D5 growling engine noiseViews : 1572 Replies : 14Users Viewing This Thread : |
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Jun 7th, 2021, 20:08 | #1 |
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XC70 D5 growling engine noise
Has anyone ever encountered this noise:
https://youtube.com/shorts/6L34jGMYz9c?feature=share It’s coming from the alternator/timing belt area. Kind of like a loud growling when revving. I suspect the alternator bearings. The only other symptom is a whistle at high speeds. |
Jun 7th, 2021, 20:25 | #2 |
Me ? Surely Not!
Last Online: Apr 25th, 2024 19:48
Join Date: Jul 2010
Location: 2007 Volvo XC90 D5 Geartronic. South of Hadrians Wall.
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I would take the auxiliary belt off and start the car to see what noise is still present.
If the noise has gone, ideal opportunity to check alternator and air con pulleys as well as tensioners etc.
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“Do the right thing. It will gratify some people and astonish the rest.” – Mark Twain 😊 2007 Volvo XC90 D5 SE Geartronic |
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Jun 7th, 2021, 20:33 | #4 |
Me ? Surely Not!
Last Online: Apr 25th, 2024 19:48
Join Date: Jul 2010
Location: 2007 Volvo XC90 D5 Geartronic. South of Hadrians Wall.
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From memory it's a 60 torx that fits tensioner and it has a BLOODY STRONG SPRING so be careful.
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“Do the right thing. It will gratify some people and astonish the rest.” – Mark Twain 😊 2007 Volvo XC90 D5 SE Geartronic |
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Jun 7th, 2021, 21:40 | #5 |
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If you could get someone to steadily film just the pulley area in good daylight, with the engine running, a bit of light revving then the engine switch off, that would be a help.
Also what mileage? This should be compulsory for any query. Because the noise stays briefly after engine switch off, my guess is the alternator clutch pulley.
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2002 S60 SE D5 Manual 209000 miles |
Jun 7th, 2021, 21:55 | #6 | |
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