1995 A6 Questions from Cat
audi at humanspeakers.com
Fri Feb 16 14:21:47 EST 2007
> we replaced the ignition switch twice and I finally took it to the
> dealership and had the housing and ignition switch replaced.
> What lead me to do that was that the car doesn't shift to a higher
> gear sometimes. It seemed to coincide with stopping the car,
> turning it off and restarted it ...
Not knowing anything about the car in question... when I first read the
post, I too thought of the ignition switch interlock.
But that is simply a way to prevent you from starting the engine unless
you are in P or N. There are usually brake pedal interlocks, too, so
you also have to have your foot on the brake. And they are usually
electronically operated these days.
But as I think about it, I can't for the life of me see how something
like that would affect an upshift. An automatic transmission can take
many things into account to determine shift points, but I don't think
the position of the ignition switch would ever be one of them.
I would recommend transmission service (Drain and fill at least, with
filter if possible, a full flush would be better) at a minimum, and hope
Although the "stop car and restart" trick is sometimes working to get
the tranny shifting again, the ignition switch is not the only variable
involved in that process - you are, at the very least, putting the
tranny into neutral or park and putting it back in drive again.
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