Tuff Country 16085 - GM 2011 Silverado 2500HD 6 box kit - Manual (Page 9)

member and hardware may be discarded.
25. Place a pair of hydraulic floor jacks under the front
differential, and carefully raise up on both hydraulic floor
jacks at the same time, until they come into contact with the
front differential.
26. Working on the driver side, remove the (3) bolts holding
the differential to the OE bracket. Save the (2) front bolts
but the back bolt may be discarded.
27. Working on the passenger side, remove the (2) nuts
that connect the passenger side of the front differential to
the OE location and save the hardware for later re-installa-
tion.
28. Working on the front differential, disconnect the 4WD
wiring harness and vacuum hose from the front differential.
Tie the 4WD wiring harness up and out of the way. Special
Note: Take special care not to kink wiring. Also, dis-
connect the 4WD wire harness from any other attach-
ing points of the front differential.
29. Carefully lower down on both hydraulic floor jacks at the
same allowing enough room to remove the front differential
completely from the vehicle. With the help from a buddy,
carefully remove the front differential completely from
underneath the vehicle and set the front differential on the
ground or on a work bench.
30. Working on the driver side, measure 3 1/2” from the
inside leading edge of the driver side rear lower control arm
pocket and scribe a mark. Using a hacksaw or suitable cut-