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 Posted: Thu Jan 17, 2013 7:28 am |
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Joined: Feb 16, 2010
Posts: 360
Trade Rating: 0
Location: Havant nr Portsmouth
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Not what I wanted to hear! I don't know if it's the BSI or not. Another thought is that it could be a knackered voltage regulator within the alternator. Hoping it snows tomorrow and the roads are slippery...
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Posted: Mon Jan 21, 2013 8:51 am |
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Joined: Feb 16, 2010
Posts: 360
Trade Rating: 0
Location: Havant nr Portsmouth
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Just an update as I've just heard from the garage. The alternator was kicking out too high a voltage occasionally! They are looking at changing it now. My holiday money is quickly disappearing...
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Posted: Mon Jan 21, 2013 9:15 am |
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Joined: Feb 07, 2010
Posts: 2719
Trade Rating: +6
Location: UK
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I hope this isn't another garage guessing at faults. Let us know the outcome.
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Posted: Mon Jan 21, 2013 9:32 am |
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Joined: Feb 08, 2010
Posts: 468
Trade Rating: +6
Location: Telford
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Alternator is a good possibilty to be fair... any spikes in voltage and the bulbs will be first to go. Let us know if its solved.
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Posted: Mon Jan 21, 2013 9:53 am |
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Joined: Feb 16, 2010
Posts: 360
Trade Rating: 0
Location: Havant nr Portsmouth
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I know the mechanic and he's been very good in the 6 years I've been going there. I wouldn't trust anyone else on my cars. It makes sense that the instruments and lights are being affected by the alternator. The same as a weak battery can affect them too much voltage can also have a similar affect. As you say Austin, the bulbs would be likely to go as a result. Very difficult to measure a spike in voltage when its sporadic. I was measuring through the cigarette lighter until I shorted the circuit and blew the fuse. I think they were just lucky when they caught it.
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Posted: Mon Jan 21, 2013 9:55 am |
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Joined: Feb 07, 2010
Posts: 2719
Trade Rating: +6
Location: UK
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Surely a fuse would blow before the bulb though?
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Posted: Mon Jan 21, 2013 10:08 am |
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Joined: Feb 16, 2010
Posts: 360
Trade Rating: 0
Location: Havant nr Portsmouth
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but bulbs always blow before a fuse. It's the weak point in a circuit. If your bulbs goes generally your fuse doesn't go. From memory I think the fuse is 15A so it would take a little bit to blow that but still affect other elements.
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Posted: Wed Jan 23, 2013 8:10 am |
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Joined: Feb 16, 2010
Posts: 360
Trade Rating: 0
Location: Havant nr Portsmouth
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Well it's back from the garage but something is not right still. They had the voltage regulator changed in the alternator as that showed up an intermittent fault. They tested it for most of yesterday and again this morning and no issues. I drove a mile and it went mental again and came up with a load of warnings including 'battery charging fault' which is new. It also sounds like a sewing machine so can only presume something within the alternator isn't right or at least on the aux belt. Will check that out tonight.
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Posted: Wed Jan 23, 2013 8:28 am |
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Joined: Feb 07, 2010
Posts: 2719
Trade Rating: +6
Location: UK
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Check the tension, and they've refit everything ok. I suppose if the belt isn't working the alterntator properly, you'll have a flat battery in no time. Was the Battery light on? Didn't they change the whole alternator? Get it back to the garage if its worse!
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Posted: Wed Jan 23, 2013 8:38 am |
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Joined: Feb 16, 2010
Posts: 360
Trade Rating: 0
Location: Havant nr Portsmouth
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I went straight back there earlier. It's automatic tensioner on this but I will release it to see if the whining sounds reduces so I can pin point it to the alternator. they didn't change the whole alternator just the voltage regulator but it was done by an auto-electrician. When I was parked up I check the battery voltage with the engine off and it was at 12.6v then with the engine on [no lights etc] it fluctuated between 12 and 13 before going back to a steady 14.2v. It's back in tomorrow morning but I'm tempted to take it to peugeot if it doesn't get sorted soon.
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Posted: Wed Jan 23, 2013 9:01 am |
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Joined: Feb 07, 2010
Posts: 2719
Trade Rating: +6
Location: UK
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Has it had any code read? An auto electrician can only sort out if he knows the problem for sure.
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Posted: Wed Jan 23, 2013 9:33 am |
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Joined: Feb 16, 2010
Posts: 360
Trade Rating: 0
Location: Havant nr Portsmouth
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Don't know the code but it came up with low voltage. Didn't say whether it was circuit broken or alternator.
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Posted: Wed Jan 23, 2013 12:27 pm |
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Joined: Feb 16, 2010
Posts: 360
Trade Rating: 0
Location: Havant nr Portsmouth
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Can't be bothered with a new topic: How tight is your aux belt? Mine has an auto adjuster so should be right but it's currently squealing like a sewing machine. Sounds pretty bad. I can barely move my belt so I was wondering if the tensioner needs replacing despite it being a year old
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Posted: Wed Jan 23, 2013 1:25 pm |
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Joined: Feb 07, 2010
Posts: 2719
Trade Rating: +6
Location: UK
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Open a new thread I have no idea. Edward would know! Mines fairly tight.
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Posted: Thu Jan 24, 2013 3:07 am |
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Joined: Feb 16, 2010
Posts: 360
Trade Rating: 0
Location: Havant nr Portsmouth
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I'm pretty sure it should be quite tight. Was wondering if there was a rule of thumb ie 5mm movement between certain pulleys etc.
Anyway, dropped it off again today. Having a new alternator completely. Given the sewing machine sound I think the bearings are shot in it. Between that and the drop in voltage I'm hoping it sorts it.
I did measure the voltage across the battery this morning. and it's reading at 14.2v from terminal to terminal. If I change the negative from the terminal to the bodywork I'm looking at 13.8-9v. He's checked all the groundings and the cables and said they were fine. I'm clutching at straws trying to be helpful [but probably a hindrance]!
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