806 Auto box problem

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KevMayer
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Re: 806 Auto box problem

Post by KevMayer »

The 806 seems to be running well after the gearbox solenoid change.

My friend is running without the software upgrade and says the gearbox feels very smooth and performs well.

What may be the effect of running without the software being updated?

I assume it's running at higher pressures than expected.

Any thoughts?

thanks,
Cheers, Kev

02 plate C5 2.2 Hdi Exclusive SE (now 170k miles 03/21).

Used to have:- Xantia 1.9 TurboD SX. 1996 Blue & 1998 Silver Activa. + 1992 BX TZD Turbo.
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Post by addo »

The main detail of the upgrade as I understand it, is a change in the modulation frequency from 50Hz to 100Hz.

I'd imagine this provides smoother control of pressure/flow and heats up the solenoids less.
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