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XJS Auto box GM Turbo 400

Posted: Wed Mar 29, 2006 4:23 pm
by gygyorfi
Hy,
Overfilling of oil in the GM 400 auto box can cause any problem/damage for the transmission?
In 1st and 2nd Forward speed the gearbox seems to be slipping, in 3rd and Reverse it is very fine.
What can be the probleme?
Gygyorfi/Hungary