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C30 / S40 & V50 '04-'12 / C70 '06-'13 General Forum for the P1-platform C30 / S40 / V50 / C70 models |
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V50 Diesel - Power system service urgentViews : 17255 Replies : 15Users Viewing This Thread : |
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Aug 22nd, 2011, 23:06 | #1 |
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V50 Diesel - Power system service urgent
I've got a 2006 V50 Diesel, with 116k.
Just had a warning light on the dash "power system service urgent" along with the battery picture. It came on about a mile into my journey, stayed on, then when I left for home it came on after about a mile (driving with fans and radio off) , but went off about 2 miles later, and stayed off for the remaining 2 miles til I got home. Just checked the voltages and get: engine off 12.33 v engine running, nothing on 12.44v engine running air con on max 11.79v Whilst doing these tests I dont think the light came on the dash. The belt on the alt looks fine, well, it is there and going around. Does this sound like an alternator? Any common other problems? Advice, things to check etc? Many thanks in advance! |
Aug 22nd, 2011, 23:45 | #2 |
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it seems your alternator is not charging , you should have over 14v when the engine is running .
the 120 Amp alternator is most troublesome and is superceeded to the 150 Amp one , it will need software if this is the case to tell the car it has a 150 A alternator ..
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Aug 22nd, 2011, 23:54 | #3 |
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Last Online: Apr 22nd, 2017 23:14
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Thanks for reply.
I just had a look and it is a "Denso 104210 150A R67CC", so already has the 150A version. Have I done enough to have diagnosed a faulty alternator, and can proceed to buy a replacement and swap it? Anything I should check first before I start replacing it? Also, if I drive it without anything on (12.44v), will that be ok? Few 8 mile journeys to work, pick up an alternator etc? |
Aug 23rd, 2011, 00:15 | #4 |
S40 Owner
Last Online: Jun 16th, 2013 23:33
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You can get the 150 amp alternator from eurocarparts for about a 3rd of what Volvo want and it's the exact same denso unit FYI.
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Aug 23rd, 2011, 00:22 | #5 |
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Last Online: Apr 22nd, 2017 23:14
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http://www.ebay.co.uk/itm/VOLVO-S40-...item2a12aa3f31
Will try and use this against my local place! http://www.startermotor-alternator-s...815-1257-p.asp |
Aug 23rd, 2011, 19:14 | #6 | |
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Quote:
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Aug 23rd, 2011, 20:59 | #7 |
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Last Online: Apr 22nd, 2017 23:14
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Just had another look and its charging at around 14v at idle with nothing on.
As soon as you load it with aircon etc it goes down to just over 12v. So it is charging some, but not as much as it should. Does that still point to the alternator? Annoyingly the wife got a puncture earlier in a good as new dunlop sport tyre and proceeded to drive home so thats a new tyre to add to the bill, then my tooth fell in half and will need a crown so thats another couple of hundred on the bill - all in all a costly day. |
Aug 23rd, 2011, 21:25 | #8 | |
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Bad luck today :-(
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Mar 29th, 2020, 15:10 | #9 |
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Rob Griffiths
Hi, I have removed a faulty alternator from my V50 2009 2.0D R-design. I cannot see any markings at all on it apart from a stamped number (GAA0116Y003). Do you have any advice as to whether this would be a 120A or 150A alternator? your help would be gratefully received
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Mar 29th, 2020, 17:08 | #10 | |
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