What could be the cause of auto not shifting out of first gear? on 1991 Ford Tempo

Transmission filter was changed, since the replacement, car will only shift into first gear and reverse.

by in Portales, NM on September 03, 2013
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1 answer 1 comment
ANSWER by , September 03, 2013
No problem until the fluid and filter was changed?
COMMENT by , September 05, 2013
The line to the transmission was leaking. The car was shifting okay, but was having to add at least a quart of tranny fluid each day. Fixed the line, changed the seal and filter. When test driving, the car shifted ok. Since then, it goes into reverse with no problem, and first, but will not shift out of first.