If you think Audi parts are expensive....

[Taka Mizutani]

Once you're getting into the 200+ amp alternator range, I think you need
water cooling in order to keep the alternator from overheating. The 110 amp
alternators in Audis had air ducting to keep them cool.

$21k for that is outrageous, though. The alternator in a Maybach is probably
not much different from the one in a 7 series BMW, also water cooled. I
doubt the 7 series part costs $10k.

Taka


On 5/16/07, Dan DiBiase <d_dibiase at yahoo.com> wrote:
>
> cobram at juno.com wrote: Spoke with a friend of mine today, he works at a
> Mercyless Benz/Maybach
> dealership as a tech.  Swapped out an alternator on one today, a water
> cooled alternator.  When the alternator went out it took out some
> electronics in the instrument cluster.  Car is still under
> warranty....warranty repair submitted to Maybach.....$21,000.  Yep,
> twenty one thousand dollars.  Alternator is around $10k, cluster around
> $10k + $1k in labor.
>
> ---------------------
> A water cooled alternator? I dunno, combining electricity and water seems
> strange to me. Another strange design is in my MGB - they put the heater
> valve (which controls coolant flow into the heater) DIRECTLY above the
> distributor. So when the valve goes, it leaks water onto the distributor.
> Guess they did that instead of a warning light, because you definitely know
> when your heater valve is leaking!
>
> Dan D
> '04 A4 1.8Tq MT-6
> Central NJ USA
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