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RE: Audis vs Batteries
On page 19.8 of the Bently manual, it states:
The radiator fan circuitry can be modified to improve hot starting
characteristics by reducing underhood engine temperatures during
high ambient temperatures. An additional time relay, wire harness
and thermo-switch are installed.
Whenever the underhood engine temperature is above 90 degrees C
(194 degrees F), the thermo-switch will close and activate the time
relay. As long as the thermo-switch is closed and the engine is
shut-off, the radiator fan will operate for a maximum of 10 minutes.
The manual indicates that this is for models from January 1986 until at least
1988 (that's the latest that my manual covers).
michael
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>Assuming that the fan runs a full minute (I've never seen my UrQ run that
>long, and they certainly like to run hot), and draws maybe 10 amps (the
Mine (88 5000Q) runs between five and ten minutes.
Urk! I find that hard to believe. I think something must be seriously
wrong . . .