Avalanche 1500 4WD V8-5.3L (2007)
7. Install the dial indicator at the idler arm.
8. Push the tire inward slowly with one hand to remove any lash.
Zero out the dial indicator and pull outward in order to take a reading.
9. Allow only 1 mm (0.039 in) of movement at the idler arm ball stud.
If more than 1 mm (0.039 in) exists replace the idler arm.
