Table 1 shows 15 common power train related problems of the 2002 GMC Yukon. The number one most common problem is related to the transfer case (three problems). The second most common problem is related to the differential unit (three problems).
(1) none (2) pulled out on hwy at normal speed, loud wining, and loud pop. Transmission failed, left with only 2nd and 3rd gear. (3) called transmission shop and they described in detail the flaw that caused failure. They informed me that this was quite common in this model. Read details...
Whining in engine-found to be bad bearings and metal in differential. Was told could have made car lock up at anytime (imagine that in heavy traffic). This is second car in family with exact same problem although was told it was "rare". Read details...
Transmission failed in 2004 and now again the exact same problem 2006. Read details...