BX1719
2003-16 Chevy Express 1500/2500/3500 & GMC Savanna 1500/2500/3500
Cargo & Passenger Vans
Installation Instructions
405-0443
Page 5 of 6
10/12/15
5. Using a 17/32” drill bit, ream out the
bottom back hole. Install a 1/2”-13 x 1-1/2”
bolt with lock washer into the hole and a
1/2” whiz nut on the inside of the frame.
Do this on both sides of the vehicle. Fully
tighten all hardware.
Note: The frame hole may need to be
slightly reamed to allow whiz nut access.
6. Continue drilling the remaining holes
in the baseplate thru the frame. Install
1/2”-13 x 1-1/2” bolts with lock washers
into the holes and a 1/2” whiz nuts on the
inside of the frame. Do this on both sides
of the vehicle. Fully tighten all hardware.
7. Attach the permanent baseplate safety
cables to the provided convenience link on
the baseplate. The photo above shows the
recommended installation of the cables to
frame of vehicle. Additional options may
interfere with suggested mounting; in this
case, secure the cables to a solid piece of
the frame as described in the instructions
included with the permanent baseplate safety
cables. Be sure the safety cables do not rub
against any hoses or moving parts. Do this
on
BOTH
sides of the vehicle.
