Trail Master Suspension TM104N CHEVEROLET/GMC 1/2 TON 4WD SUSPENSION LIFT KIT - Manual (Page 9)

9
TM104N
Revised
1.27.14
the rear until it is at its closest point to the truck frame as shown in Illustration 5. Mark
the location of the hole. After marking this location, rotate the strut out of the way and
drill this hole to clear a 1/2” bolt. Rotate the strut back into place and install the supplied
1/2” X 1 1/4” bolt through the strut and through the frame member. A 1/2” nut plate (PN
90-1476) is supplied to facilitate this installation, position this nut plate over the bolt on
the inside of the A-arm pocket and start the bolt by hand. Leave all hardware loose until
the completion of the cross member
installation.
9. Reinstall the rear cross member
into the truck using the OEM bolts
to hold it in place. Install these
bolts with the threads pointing away
from the CV joints. Make sure to
carefully guide the differential
mounting bushing into it’s mounting
flange on the new cross member.
Install the OEM bolt through the
cross member and differential
bushing with the threads to the
outside of the truck and install the
OEM nut. Finish installing the 3/8”
nuts, bolts, and washers to the
upper flange mounts on both sides
of the vehicle and torque all cross
member hardware to specifications
on page 21. Also tighten the
differential mounting hardware to
specifications at this time.
10. Using the differential drop extension
pack (PN 90-6189) fit the new hose
to the differential. Place the
supplied plug in the end of the tube
and connect the factory tube to it.
11. Install the Trailmaster center link drop (PN 90-2196) to the pitman arm and idler arm
using the factory nuts. See Illustration 7. When properly installed, the drop is
perpendicular to the ground.
12. Mount the front cross member to the existing front, lower A-arm pockets with the OEM
bolts and nuts. Tighten to specs. Using the cross member as a guide, drill through the
factory frame material at this time. See hi-lighted note in Illustration 7 for the location.
13. Loosely install the OEM center link to the center link drop, with the bends to the rear,
using the supplied 1/2” X 3 3/4” Bolts and other hardware supplied as indicated in
Illustration 7. Leave the lock nuts loose for the moment. Follow this illustration exactly!
14. Install the rod end guide (PN 90-4053) assemblies to the front cross member as shown
in Illustrations 7 & 9. Use the supplied 1/2” X 2 3/4” bolts, spacers, washers, and nuts.
Place the ends of the rod ends onto the ends of the drop link bolts. Snug up the bolt
Illustration 6
Passenger side.
PN 82-1447
9/16” X 1 3/4”
Front of vehicle.
OEM hardware
USS washers