Alternator overcharging?

[Dox1966]

OK just had the alternator and battery tested by ATS.
ALT: Volt 14.26v, ripple too big....
Batt: 12.6v; start capacity 82%

Does ripple shed any light on what the specific problem is?

I believe that means the regulator / rectifier is not converting all the AC current to DC current that cars run on - car components don't like AC current.

Please wait for another reply before condemning the alternator

 

[v5er]

I believe that means the regulator / rectifier is not converting all the AC current to DC current that cars run on - car components don't like AC current.

Please wait for another reply before condemning the alternator

Yep it's likely to be either or both of those components of the alternator. I'd rather change those than the whole unit.

 

[Dox1966]

just make sure the part numbers match.

The part numbers are indeed the same, swapped them, cleared the fault and after a couple of starts back came the fault

 

[MJ]

Yep it's likely to be either or both of those components of the alternator. I'd rather change those than the whole unit.

its all one usually sealed unit.

The part numbers are indeed the same, swapped them, cleared the fault and after a couple of starts back came the fault

what is the actual fault code and definition?

 

[Dox1966]

its all one usually sealed unit.



what is the actual fault code and definition?

Via autel MS509

P0340 camshaft position sensor A circuit bank 1 or single sensor

Via Vagcom

17748 - crank / cam position signals out of sequence 35-00--

Off idle the car runs well and generally smooth, at idle the engine is jumping on its mounts

 

[dvance]

With your engine running observe the auto tensioner for the aux belt (pas, alty, air con etc), it should run smoothly - no jumping up and down.

Mind your fingers when you're under there

Hey, sorry for the late reply -- was sick over the weekend. I had a look the other day (sadly noone to help me out, and was a bit dark, so got slightly confused ).

Am I right to think that the top bit here is the auto tensioner?

And also are the two round things you're looking for just under these wires?

You can sort of make the out but it was quite dark to take a better pic. The wires are mostly black but they have a colored stripe -- will have a better look today, and report back

 

[Dox1966]

Hey, sorry for the late reply -- was sick over the weekend. I had a look the other day (sadly noone to help me out, and was a bit dark, so got slightly confused ).

Am I right to think that the top bit here is the auto tensioner?

And also are the two round things you're looking for just under these wires?

You can sort of make the out but it was quite dark to take a better pic. The wires are mostly black but they have a colored stripe -- will have a better look today, and report back

Yes the top bit is the tensioner and yes again the cam actuators are under all those wires, there's 2 wire to each of the sensors

 

[dvance]

Right, so the two are as follows: the upper one has a black with yellow and blue with light blue wires going in, and the lower one has a black with yellow and a green with yellow one. It was a tad difficult to make them out mind you

 

[Dox1966]

Right, so the two are as follows: the upper one has a black with yellow and blue with light blue wires going in, and the lower one has a black with yellow and a green with yellow one. It was a tad difficult to make them out mind you

Thanks, thats confirmed mine are the right way around.

Thanks for taking the time to look

 

[dvance]

No problem. Now I just need to find a mate to start the car for me a few times while I try and identify where this bloody noise is coming from on mine.

Also noticed that it does start without throttle most of the time but still gives out that sound. Could it be the starter sticking?