Mechanics

BUICK RIVIERA RPM PROBLEM

1995 Buick Riviera • 420,000 miles

At highway speeds my transmission is not shifting into overdrive gear so I'm running at 2700 rpm rather than 1800 rpm. Had same issue with last transmission also. Any ideas?
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Guest
January 1, 2013.



Could be worn clutches I the trans.

Is the check engine light on?

Roy