Yukon XL 4WD V8-5.3L (2011)
9. Allow only 1 mm (0.039 in) of movement at the idler arm ball stud.
If the movement is more than 1 mm (0.039 in) then replace the idler arm.
9. Allow only 1 mm (0.039 in) of movement at the idler arm ball stud.
If the movement is more than 1 mm (0.039 in) then replace the idler arm.