Helping a friend a few hundred miles away with them. I'm a transplant from the P2 XC70 world but looking into a 3.2L myself, so interested.
She has a 2007 3.2 with 100K miles FWD.
This am 50F and raining she said it lit up with "power system service urgent" message and got a terrible screech sound but went away over 40mph and she said she got to work just fine.
Belt/tensioner?
alternator?
Something else?
3.2L: Power system service urgent and screech
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carboncow
- Posts: 596
- Joined: 11 Jun 2010, 17:53
- Year and Model: 2003 XC70 2018 S60
- Location: Central Ohio
Shawn F.
2001 V70 T5
2003 XC70
1996 Vw Passat Tdi
1999 Porsche Boxster
2004 Chevy Suburban LT 5.3L
2013 & 2015 S60 T5
2008 Vw Touareg T2 V6
1989 Sea Ray 340 Sundander
2007 Sea Doo Challenger 180 SE
2001 V70 T5
2003 XC70
1996 Vw Passat Tdi
1999 Porsche Boxster
2004 Chevy Suburban LT 5.3L
2013 & 2015 S60 T5
2008 Vw Touareg T2 V6
1989 Sea Ray 340 Sundander
2007 Sea Doo Challenger 180 SE
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jimmy57
- Posts: 6696
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- Year and Model: 2004 V70R GT, et al
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Loose alt drive cog for the alternator cuff. The alternator driven cog has a one way clutch and it is likely seized or slip then catching and has stressed and loosened the drive cog. The drive cog is a faint interference fit onto a faintly tapered stubby shaft.
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