I have a 2003 gmc sierra 4wd, my tranny is not getting 3 or 4 gear, replaced it with a used one,and you its,doing the exact same thing I can drive great in 1&2 but in 3 it slips and won't go into 4th.

I have a 2003 gmc sierra 4wd, my tranny is not getting 3 or 4 gear, replaced it with a used one,and you its,doing the exact same thing I can drive great in 1&2 but in 3 it slips and won't go into 4th. 1 Answer

I have a gmc sierra 07 model, 4 whl drive with a 6 in lift. I put it in drive and push the gas and it goes fine but will not shift from 2 to 3 at all. Sometimes i put it in gear and it jerks hard and 1 Answer

My truck don't wanna shift from 2nd to 3rd, and sometimes won't go in 1st. Also at times when going from park to drive or to rev it jerks real hard and dies. U can hear the trans when u change fr...

04 gmc sierra 1500 5.3 died on me on the highway got it towed home starting going at it, hooked two different scanners to it and not throwing any codes (ecm is working bc the map was reading correctly but also the rpm was zero) anyways checked fire none checked injectors they wasnt working either(built fuel pressure then unplugged fuel relay then turned engine over and the pressure stayed the exact same) i assume it might be the crank sensor but i would think it would throw a code, anyways came back this morning and before doing anything for the hell of it i checked the gas cap and tightened it and it fired up perfect three different times and the last time i let it run and it died after bout 45 seconds (fuel pressure reads 55) and after it died its doing the same thing cranks but wont fire or start 1 Answer

died on me on the highway got it towed home starting going at it, hooked two different scanners to it and not throwing any codes (ecm is working bc the map was reading correctly but also the rpm was...

I have a 1990 GMC Sierra with a 305, I need to put a new engine in it and would prefer going back with a 350. Can I Put any GM 350 in it from the 90's? 3 Answers

My 1990 305 blew up on me and I would prefer to go back with a 350 but can it be any 350 from the 90's? If so what year would be best, I have heard good things about the 5.7 Vortec's. Also its a 5 s...

Just replaced fuel pump on my 1998 GMC chevy cierra z71 4wheel drive truck.. I seemed fine and I drove I a couple days then it quit running. It's getting gas in pump but not presure. What can I do? 1 Answer

Also replaced relay fuse. Help