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SEAT Altea has done 20,000 miles, does it need a new alternator?

I have a SEAT Altea 1.9 TDI 2006, which has done 20k miles. The alternator warning light was making a faint glow on the dash.

I took it into the SEAT dealer and at first they couldn't find anything wrong with it after testing the battery and alternator.

Then when I suggested turning on all the electrical items like heaters, lights etc, they said the warning light glowed and that I needed a new alternator at a cost of £373.

Is this right for such a low mileage car or could it be something else like the wires, diodes, serpentine belt?

Asked on 15 January 2011 by paula31

Answered by Honest John
If its diodes then you need a new alternator anyway. You should ask for a goodwill contribution towards the cost, even just 20 per cent.
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