Silverado 1500 4WD V8-6.0L Hybrid (2009)
4. Place scaleJ 35999 near the relay rod end of the idler arm.
5. Exert a 110 Nm (25 lb) force upward and then downward while measuring the total distance the idler arm moves.
6. If the movement exceeds 2 mm (0.078 in) then replace the idler arm.
