transmission issues

1999 tahoe 4x4 LT 135'xxxx miles I've been have problems with what I presume is my transmission. When ever I get on the gas about 70-100% ( like you are going to pass someone on the highway) my tahoe will proceed to shift but then just sit there and hang in 4000 rpm until i barely lift off the...

Well I'm another case study;Tahoe #2 for me upgraded from an 02 well at least i thought i was. I have been thankful i didnt sell it yet. only I have the persistant problem happens everytime i drive it now. Unfortunatly Maher Chevrolet told me after the first time bringing the car into them...

So I have an 07 Tahoe with 108k miles. When starting from a stop, applying a normal amount of throttle, in the first 10 - 20 mph I hear/feel a clunk while in first gear. This clunk can occur once or twice. Its not during the shift from 1 st - 2nd or 2nd - 3rd. Its while accelerating and also...