Quote:
Originally Posted by DeltaP
What year/model GM is this, early 90's? Mileage? Serviced regular? Or was that the first service you're aware of ? Hard upshifts? Possible sudden downshifting on braking? Gets worse as it warms up?
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2000 Olds
240,000 km
I bought it used so not sure of maintenance. The transmission gave NO problems what-so-ever. Added Lucas transmission additive for added protection. Then after 20,000 km or so, started the hard up-shifting. Changed the fliud/filter and added shift kit in september. All hard up-shifts stopped. Now the quick up-shifts.