I Have A 95 Legacy Ls Awd Wagon With An Automatic. I've Had This Ongoing Problem When I'm Going Down The Highway At 70-75 I'll Drive For About 20 Miles OR So And The Car Will Drop Out Of Overdrive And Run About 3200-3400 Rpms Until I Would Have To Stop. When I Would Get Back In To Drive It Would Be Fine Again For Awhile. It Does'nt Happen At Lower Speeds Just At 70-75. Any Ideas?

 

 

Thanks

Your car doesn't have an overdrive per-say. it is a four speed transmission. Fourth gear is overdrive. What you're feeling is probably the torque converter locking or un locking.

 

Have you checked your trans fluid level?