Rough Country 1272BOX4 - Manual (Page 8)

Photo 23
29. Install the differential bracket in the mounting tab on the back side of the front cross member and install the skid
plate as shown using the supplied 1/2” x 4 1/2” bolt, washers and nut. Install the rear of the skid plate by lining up the
holes in the cross-member and installing the supplied 3/8” self tapping bolts and tighten using a 9/16” wrench. See
Photo 24 & 25. Do not tighten hardware at this time. Pull the differential vent hose that was previously disconnected
down to install in the stock location and reinstall differential plug and wiring clips to the differential.
30. Install the lower control arms with the bump stop brackets attached in the new drop brackets with the factory hard-
ware (bolts install front to rear). Do not tighten control arm hardware at this time.
31. Tighten cross-member and differential drop bracket hardware at this time. Tighten 5/8” cross member hardware to
154 ft. lbs., 9/16” differential hardware to 114 ft. lbs., factory hardware on passenger differential bracket to 75ft-lbs.
32. Install the new knuckles with the stock ball joint hardware and tighten using a18mm & 24mm wrench.
33. Install the brake caliper with factory hardware. Using a 10mm wrench install the brake line on the knuckle. See
Photo 26. Tighten upper ball joint to 37 ft. lbs and lower to 94 ft. lbs. and tighten brake hardware. Reconnect the
ABS wire. If more slack is needed the line can be sprayed with 10-40 and the mounts slid down.
34. Install the stock shafts in the knuckle with factory hardware and using a 35mm socket. Locate the supplied CV spac-
ers and place the spacer in between the differential and the shaft as shown in Photo 27. Using Loc-Tite, secure
with the supplied 10mm x 65mm Socket head cap bolts with 8mm allen wrench. Tighten hardware to 58 ft.-lbs.
35. Install the tie rod end in the knuckle with the stock hardware and using a 19mm wrench. Tighten to 50 ft.-lbs.
Photo 24 Photo 25
Photo 26
Photo 27
Install the skid plate with supplied hardware Secure skid plate to rear cross-member
Install brake line to knuckle Install shaft spacers with supplied hardware