Ok need help here....I have a 79 k10 350 motor and a th350 - TopicsExpress



          

Ok need help here....I have a 79 k10 350 motor and a th350 transmission. The trans doesnt want to shift when it warm. It will shift when it cold but when it gets warm it wants to keep downshifting to 1st. New vacuum line from intake to modulator valve and a new valve. Also new filter and fluid. And its not slipping at all. If its cold it will shift perfect through all 3 gears but when it get up to temp it just wants to stay in first
Posted on: Sun, 25 Jan 2015 02:33:42 +0000

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