K 3500 Truck 4WD V8-6.6L DSL Turbo VIN 1 (2001)
1.
Raise the vehicle. Refer to Lifting and Jacking the Vehicle in the General Information sub-section of the Service Information.
2.
Clean the underside of the assist step support.
3.
Using the template (1) provided, locate the three 6 mm (0.24 in) holes in the template (2) over the three thread forming nuts on the driver's side
assist step support near the rear of the front door. Ensure that the forward mark on the template is facing the front of the vehicle.
4.
Tape the template to the underside of the assist step support. Refer to the illustration.
5.
Center punch the two centers on the template. Carefully remove the template.
6.
Install the template on the passenger side following steps 3, 4 and 5.
7.
Drill 3 mm (0.125 in) (1/8 in) pilot holes into both assist step supports at the center punch marks through the supports, the cover and the existing
step pads. Enlarge each hole with the 16 mm (0.825 in) (5/8 in) drill bit.
8.
Remove the existing nuts and the old step pad(s).
9.
Using a file, remove any burrs on the underside of the supports.
10.
Apply anti-corrosion material to the exposed metal using the information found in the applicable Service Manual and GM Refinish Material
Booklet 4901M-D-2002 (English) or 4901M-D-F2002 (French).
11.
Place the new step pads in their proper location as identified on the underside of the pads.
Important:
Tighten the nuts leaving 0.46 mm (0.018 in) clearance between the nut and the step plate. Use the 0.46 mm (0.018 in) feeler gauge provided.
12.
Using the hex nuts saved from the removal of the original step pad, and the four nuts supplied with the kit, install a nut on each post using the 11
mm (0.433 in) (3/8 in) drive socket with a hand ratchet.
Parts Information
Parts are expected to be available 8-15-2002 from GMSPO.
Warranty Information
For vehicles repaired under warranty, use the table.
