Transmission problem – Gear change on 1993 Subaru Impreza

My car is Subaru Impreza 1993 AWD at about 150,000mls. It’s been having a same problem ever since I purchased it about 4 years ago, but lately it’s getting worse. The problem is gear won’t change smoothly. RPM goes up to 4,000 then the gear changes. RPM doesn’t go up and down it just doesn’t change gear at normal RPM is all. I would greatly appreciate your advices! Thank you!

by in Kent, WA on November 08, 2012
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2 answers
ANSWER by , November 12, 2012
Have you ever changed the fluid , or for that matter , checked it?
ANSWER by , November 11, 2012
have trans shop check