The inside and outside door handles are prone to breaking.Google+
Car Problem Reports
GMC Yukon Inside/Outside Door Handles May Break
GMC Yukon Problem
Average Mileage: 142,202 mi (39,008 mi - 263,000 mi)
Visitor, 1997 GMC Yukon, 152,000 mi
inside door handle broke off and out side driver door handle is starting to break
Visitor, 1992 GMC Yukon, 224,000 mi
I've gone through 2 outside handles and 5 inside handles. All on the same drivers side door. 1999 GMC Yukon.
Visitor, 1999 GMC Yukon, 130,000 mi
Driver inside door handle broke.
passenger door at 100,000
driver door at 180,000
Visitor, 2009 GMC Yukon, 106,000 mi
Passenger side exterior door handle came off.
Visitor, 2009 GMC Yukon, 65,000 mi
outside door handle pulled out on driver side
door handle paint cracked and handles sometimes will not open.
Visitor, 2009 GMC Yukon, 64,800 mi
the front and back passenger handles has been breaked
Visitor, 1999 GMC Yukon, 74,000 mi
Outer door handle housing cracked
Visitor, 1996 GMC Yukon, 176,000 mi
Right front passenger and right rear passenger door handles have been replaced.