ok now the truck is shifting out of 1st at about 4200-4500 rpms
dont work on trucks to offten so idk what the exact problem would be?
any one got some advice ????
trans is going out??... check your fluid see if its burnt!
year make model?
96 GMC JIMMY
bb no the trans fluid is not burned thats why im so confused. its still nice and red.
Maybe a vacume line came off somewere.....
4l60E trans. all electronic. send you pm.
electronic trans, make sure the connectors on the trans are CLEAN, pop it out and clean it with some electrical cleaner.
whats the mileage on the trans? sounds like there is no 2nd gear and its shifting from 1st right to 3rd
about to roll 150,000 but it shifts fron 2-3 fine