Alternator-problem?

Jumpy-Joe · 2023-01-31 08:34:34

My trusty old van decided to quit charging yesterday, and in the process the heaterfan stopped. Checked the belt, and it is OK. At high revs the charge light flickers a little bit, but doesn't go out. Gave the alternator a dose of WD40 and called it the day.
This morning I started the van, an after a couple seconds the charge light went out, and everything was working fine. Parked the car at work and let it idle for a minute while I measured the voltage. It was between 13.5V and 14.5V, before I heard a click. The heaterfan died, and the charge light came back on.
So is it some french safety-circuit thingy gone crazy, or is it just a faulting alternator on its way to die?

(...and why oh why do these things have to happen in the middle of the winter???)

kenbw2 · 2023-01-31 19:45:26

I had similar, it was an intermittent connection on the alternator

I know some of them vary, but my alternator has two connections - one is the main poisitive, and the other is a signal wire. That's also the connection that tells the van that the engine is running, which is why your blower cuts out

Check the connections on your alternator. Mine was screwed on tight, but the wire itself was a little broken.

Jumpy-Joe · 2023-02-09 09:34:38

Funny thing... I have posted earlier about the feeling of intermittent powerloss... Now that I have been driving for a few days without a functional alternator, that spesific problem is completly gone!? WTF!?! Could it be that the alternator have had som funny voltage issues for a while, before it died, and that this has affected the ECU and in turn the advance on the diesel-pump? (DW8B) New alternator is due to arrive tomorrow, and will be fitted during the weekend. It will be very interesting to see if those poblems re-appear...

Last edited by Jumpy-Joe (2023-02-09 09:36:36)

Jumpy-Joe · 2023-02-13 10:14:22

A little update... new alternator in place and charging is OK! smile And as a bonus the problem with powerloss is still gone. Looks like the alternator was the culprit all the time... strange..?

Last edited by Jumpy-Joe (2023-02-13 10:22:17)

kenbw2 · 2023-02-13 11:49:59

Woohoo, nice when a problem is solved big_smile

Jumpy-Joe · 2023-02-13 11:55:08

Yeah, but I am still a bit puzzled as to how a dodgy alternator could create the symptoms my engine had...

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#1 2023-01-31 08:34:34

Alternator-problem?

#2 2023-01-31 19:45:26

Re: Alternator-problem?

#3 2023-02-09 09:34:38

Re: Alternator-problem?

#4 2023-02-13 10:14:22

Re: Alternator-problem?

#5 2023-02-13 11:49:59

Re: Alternator-problem?

#6 2023-02-13 11:55:08

Re: Alternator-problem?

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