One problem related to frame rust has been reported for the 2002 GMC Yukon. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2002 GMC Yukon based on all problems reported for the 2002 Yukon.
We purchased the 2002 Yukon from mcguire dealership in NJ its been cared for taken to the dealership faithfully driven by my 50 year old father, when first driving he noticed the pedal vibrating rapidly during normal brake applications. The abs control valve was the culprit along with a rusty wheel sensor. It was replaced at the dealer and after 5 years the frame of the truck is rusting and rotting along with suspension parts and most of all the brakes. We came close to crashing one day when the pedal went straight to the floor, we take it to the local firestone and they tell us all the brake lines are rusted out along with the master cylinder. We replaced the lines and master cylinder with a hefty price tag. We get the car back 3 days later pedal goes to the floor again, back at the mechanic both rear calipers are rusted and leaking. We replaced all 4 calipers and the problem stopped but now the frame is rusting and the abs is still vibrating badly. Long story short gm needs to be held accountable for selling such cheap crappy trucks, we came close a few times to crashing, and I feel sorry for the people that have lost their lives due to the neglegence of the employees of gm.