Silverado 1500 2WD V6-4.3L (2007)
5. Remove the idler arm bolts (3) and the nuts (1) at the vehicle frame.
6. Remove the idler arm (2) from the vehicle.
Installation Procedure
1. Position the idler arm (2) to the vehicle frame.
Notice: Refer to Fastener Notice.
2. Install the idler arm bolts (3) and nuts (1) to the frame.
Tighten the bolts and nuts to 105 N.m (78 lb ft).
3. Install the idler arm (1) to the relay rod (2).