Silverado 3500 2WD V8-6.0L (2007)
15. Fully raise and support the vehicle.
16. Install the catalytic converter to exhaust manifold nuts. (1500 series shown, 2500 series similar).
Tighten the nuts to 50 N.m (37 lb ft).
17. Partially lower the vehicle.
18. Install the left wheelhouse liner.
19. Remove the J 42640 from the steering column lower access hole.