Sierra 2500 4WD V8-6.0L (2008)
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. Refer to Front Wheelhouse Liner Replacement - Left Side (Chevrolet) Front Wheelhouse Liner Replacement -
Left Side (GMC) .
19. Remove the J 42640 from the steering column lower access hole.
