transmision wont shift out of frist gear on 1990 Chevrolet G Series Van (G20)

the trans just stop shifting but will go in all gears.

by in Fresno, CA on March 16, 2011
1 answer
ANSWER by on March 16, 2011
have a shop check the govenor gear. it is common for dishing and will not build pressure for shifting. common failure in those transmissions. it is external and an easy fix. Roy

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