Flumpet 4 Posted February 7 Share Posted February 7 Hi everyone, I'm having this reoccurring issue with my 05 Aygo where car wont start, it attempts to crank but just makes this weird squeaking noise and never turns over. Last time this happened the mechanic took it apart, took off the belt, couldn't find anything wrong, and it magically fixed itself when put back together so he could no longer diagnose it. Unfortunately it's happened again today, so I'm hoping someone might have an idea about what it could be. I've attached a video which illustrates the problem far better than I can describe! unhappy-car.mp4 Quote Link to post Share on other sites
Wiz201 94 Posted February 7 Share Posted February 7 might need a diagnostic obd reader or scanner to look for any fault codes. 1 Quote Link to post Share on other sites
Flumpet 4 Posted February 7 Author Share Posted February 7 40 minutes ago, Wiz201 said: might need a diagnostic obd reader or scanner to look for any fault codes. Ah I should have mentioned this in my post. When this happened before we had the RAC over who told us no fault codes came up, very helpful I know! 1 Quote Link to post Share on other sites
PetrolDave 30 Posted February 7 Share Posted February 7 Removing the belt seemed to solve it last time? Sounds like it could be a (partially) seized alternator - try (temporarily) removing the alternator belt and seeing if it cranks and starts - if it does then it's time to get the alternator checked over and possibly replaced. 1 1 Quote Link to post Share on other sites
SAM LOVERS HER TOYOTAS 91 Posted February 7 Share Posted February 7 Hi, we had a very similar issue recently bar the squeak sound...a new cam and crank sensor fixed her. In your case its a strange one with that squeal. I know how it feels to be in this frustrating situation. I pray it fixes itself soon. Sammy 1 Quote Link to post Share on other sites
rajivrattna 41 Posted February 8 Share Posted February 8 We had a similar problem in our 2008 Aygo but the car would start after the initial screechy noise. After a few days the Battery ran low and the car stopped altogether. Recharged the Battery and restarted the car and this time using a voltmeter I checked the voltage across the Battery terminals while at rest and while the engine was running and then I realised that the alternator had given up since the voltage did not increase when the car was running. The alternator was changed by a nearby garage for 350 Euros. The old one could not be repaired. These Denso alternators do not seem to last the life time of the car unlike other Denso parts. This is my second Toyota where the alternator has packed up after a couple of years or 60000 - 80000 km. 1 Quote Link to post Share on other sites
Flumpet 4 Posted February 8 Author Share Posted February 8 Thanks all, fingers crossed it is just the alternator. I feel bad calling anyone out in this weather, so if its thawed tomorrow I'll call the RAC then and let you know how we get on! Quote Link to post Share on other sites
Flumpet 4 Posted February 10 Author Share Posted February 10 Little car has just been towed away and it was indeed the alternator! Fingers crossed its back home and up and running soon 🤞 2 Quote Link to post Share on other sites
rajivrattna 41 Posted February 11 Share Posted February 11 On 2/8/2021 at 10:12 AM, Flumpet said: Thanks all, fingers crossed it is just the alternator. I feel bad calling anyone out in this weather, so if its thawed tomorrow I'll call the RAC then and let you know how we get on How much did it cost? Just comparing Sweden to UK prices. Quote Link to post Share on other sites
Flumpet 4 Posted February 12 Author Share Posted February 12 13 hours ago, rajivrattna said: How much did it cost? Just comparing Sweden to UK prices. £310 parts and labour for a new alternator and belt. This is in London so it might be a bit more expensive compared to the rest of the UK. 1 Quote Link to post Share on other sites
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