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alternator - Calpin - 01-03-2015

think my alternator is on its way out, car lights dim and the revs drop, it actually stalled today. too


RE: alternator - Niall - 02-03-2015

To start with, what engine do you have? I highly doubt its your alternator. The battery light would come on if it was charging less than 11v iirc and stalling has nothing to do with it unless the better went flat (but then it wouldn't start again after)


RE: alternator - Calpin - 02-03-2015

(02-03-2015, 10:03 AM)Niall Wrote: To start with, what engine do you have? I highly doubt its your alternator. The battery light would come on if it was charging less than 11v iirc and stalling has nothing to do with it unless the better went flat (but then it wouldn't start again after)

Its a 1.6, my induction kit arrived today, so will be changing air filter soon, the noise seemed to be coming from there but my dad recons its the alt


RE: alternator - Niall - 02-03-2015

Ah you didnt tell us there was noises. Like what?


RE: alternator - Tom - 02-03-2015

A multi meter across the battery will tell a thousand words in this situation...


RE: alternator - Niall - 02-03-2015

(02-03-2015, 07:40 PM)Tom Wrote: A multi meter across the battery will tell a thousand words in this situation...

But only if you know how to interpret them readings. Dont forget, a perfectly healthy alternator on a 306 will not kick out 14.4v in all situations!


RE: alternator - Calpin - 07-03-2015

(02-03-2015, 07:50 PM)Niall Wrote:
(02-03-2015, 07:40 PM)Tom Wrote: A multi meter across the battery will tell a thousand words in this situation...

But only if you know how to interpret them readings. Dont forget, a perfectly healthy alternator on a 306 will not kick out 14.4v in all situations!

Scrap that the noise is the clutch bearings that are going. Think the lack of power was me leaving wipers on rain sensor mode for a week!


RE: alternator - Niall - 07-03-2015

Ah ok. Noises can travel around engine bays and REALLY confuse you sometimes so if you're not quite sure of where a noise is coming from in future, you can get a long screwdriver (or similar object) and place your ear on the handle and the tip of the driver on where you think the noise is coming from. It acts as a stethoscope and will point out instantly where that noise is coming from!


RE: alternator - Calpin - 17-03-2015

(07-03-2015, 05:37 PM)Niall Wrote: Ah ok. Noises can travel around engine bays and REALLY confuse you sometimes so if you're not quite sure of where a noise is coming from in future, you can get a long screwdriver (or similar object) and place your ear on the handle and the tip of the driver on where you think the noise is coming from. It acts as a stethoscope and will point out instantly where that noise is coming from!

I'll remember that one


RE: alternator - Poodle - 18-03-2015

Leaving the wipers on rain-sensing shouldn't drain your battery, there's another issue there somewhere, i'd suggest starting with your earths.