1998 GMC Sierra Transmission and drivetrain Problems

“1998 Gmc Sierra 1500 ext. Cab truck. Purchased used on 6/03/08. Odometer read 96,921miles. Less than 24 hours after purchase I noticed what felt like a slipping in the transmission going from 1st to 2nd, and 2nd to 3rd, under 15 MPH when the engine was warm. I mentioned this to the dealer, who had agreed to reimburse me for partial costs to have all the fluids flushed and filled with clean fluid at the recommendation of my regular shop, where I had taken the truck for inspection 12 hours after purchase. At this time I noticed the drivers side door handle was cracked into the lock area. …”

“Don't have my VIN handy at the moment b/c my truck is in the shop having $1400 of transmission work done on it. It's a 1998 Gmc Sierra 2wd, and the transmission went out 8/21/03. The tranny had 84,000 miles before comlete failure. The truck was driven by an exceptionally gentle driver, never used for towing (even though it came with a towing "package") and never abused in any way. Yesterday, it wouldn't reverse or go into 1st gear. Two weeks prior it began shifting hard, emitting a loud "clank" sound...we knew the end was near!”

“Problems with transmission shifting incorrectly. While driving, the transmission became hot, and disengaged from overdrive to lock up mode, and blew 2 quarts of automatic transmission fluid out the vents”

“The transmision has a harsh shift almost as if the engine mis-fires as it changes from gear to gear. Cronic has reset the electronic memory valves with no results. I am now being smoothed over by them because I don't believe they know of anything else to do. I trust that a Gmc truck, number one in my book, this expensive would perform more smoothly than the competitor's truck (ford,which outshifts Gmc hands down) would. Your response as to what it is will be appreciated!! Let me here from you mike brock”

“I have a 1998 Gmc z71 with 61,000 miles that I bough new and just had to have a new transmission put in at a cost of $2000.00. When I told the serviceman what the transmission was doing he automatically new what the problem was. He said that it was the shaft housing that had busted and it messed up the whole transmission. It sounded like it was a problem that happens quite often by the way he responded. He said that the shaft housing was not as heavily built as the new one they installed. Does this mean that other owners will have the same problem with there truck around 60,000 miles? …”