GMC C series 2002 Owner's Manual page 180

Towing the Vehicle with the Front Bumper Removed
1. Remove the front bumper.
2. Connect and lock the lift chains to the front axle,
outside of the spring anchor plates as shown.
A. Spring Anchor Plate
B. Lift Chain
3. Place a 6 x 6 x 5 hardwood beam underneath and
i
slightly behind the front spring shackle brackets.
C. Front Axle
4. Connect lift chains to the tow bar and raise the tow
bar until lift chain slack has been taken up and the
hardwood beam is fully seated against the spring
shackle brackets as shown.
A. Shackle Bracket
B. Tow Bar
5. Raise the vehicle to the required height.
C. Lift Chain
D. Hardwood Beam
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