Subject: RE: S6 steering

[C1J1Miller@aol.com]

Geoff Jenkins wrote:
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Unfortunately not. In the S-cars, all you can do is unplug the power
connector from the top left of the steering rack, and that will _diminish_
the boost somewhat. Not as dramatic an effect as on the V8s (i.e. the
steering is still too light for my tastes), but a whole world better than
with Servotronic...
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> -----Original Message-----
> Pulling the servotronic relay has been reported with success in
> the V8s, I assume the S4/6 would respond the same.
> --
> Dan Simoes                                dans@ans.net

>From memory, the '91 Model Change book says servotronic uses a speed sensor to
vary assist with road speed.  They show a nice graph giving lots of assist at
low speeds, and little at higher speeds.  I think there's a servo that pulses
the fluid pressure to give assist.  I'm not sure if the default (disconnected)
varies from high speed low assist; seems they'd provide _some_ assist as a
default.  It seems possible that you could give the steering a default speed
signal (say 100 mph) and receive the appropriate boost for that signal at all
times; perhaps the speed signal could be altered with a resistor to allow some
assist at parking speeds, but very little at driving speeds.
Some S4/S6 owners have reported that the steering assist, when unplugged, is
insufficient in track use...
chris