Sierra 3500 Denali 2WD V8-6.0L (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.
GMC Workshop Service and Repair Manuals
Idler Arm|Testing and Inspection|Page 9279 >
< Idler Arm|Testing and Inspection|Page 9277
Page 4
