Two problems related to engine have been reported for the 1997 GMC Sierra. The most recently reported issues are listed below.
The engine block cracked.
I have 5# of paper work on this one,had trouble with thie steering gear box at 1150 miles, had rocker and lifters done at 4407 miles, again at 6344 miles, brakes again at 15986 miles,24116 drive shaft out of balance, I'm still haveing trouble with the brakes some times it is like on brake and some times it's like they lock up the back wheels at the speed of 5mph on dry pavement or what ever surfes, or at the stop sign while holding the brake,you can here the abs. I have tryed dealing with bbb, and GMC put got no where, I wrote to the att gen's of both mn and TX, but got no where. I have all the paper work from day one, I"m paying over 40. 000. 00 for this.