Th350 Shift Troble
 

I have a Th350 Trans it's shifting funny, if the car is in D/3rd without manually shifting the car will shift into second but with some delay and it will shift into third some times but not all the time it rev's up high when it shifts into third. If I hit the gas hard it shifts good and fine into 2nd and 3rd, but cursing and light on the gas it will shift into second Ok but third may take a while or not even go into third. I don't have my kick down cable hooked up. can any one help

Check for leaks on the vacuum modulator line, either a line leak or bad modulator will cause this problem

JMO

Zip.