Tuff Country 23000 - Ford 09-13 F150 3 lift kit - Manual (Page 10)

36. Place a hydraulic floor jack under the driver and pas-
senger side of the rear axle.
37. Working on the driver side, remove and save the shock
hardware. Special note: The OE shocks will be long
enough once this suspension system has been installed
but Tuff Country highly recommends replacing the rear
shocks. If you have not already ordered your rear
shocks, please contact Tuff Country or your local Tuff
Country dealer and order your new rear shocks. Tuff
Country recommends install a 30” fully extended nitro-
gen gas shock. Repeat procedure on the passenger side.
38. Working on the driver side, carefully remove the ABS
line clips that are attached to the u-bolts. Special note: Take
special care not to damage the clips during removal.
Repeat procedure on the passenger side.
39. Working on the driver side, remove the u-bolts from the
OE location and discard the u-bolts and hardware. Set the
upper and lower u-bolt plates aside for later re-installation.
Repeat procedure on passenger side.
40. Carefully lower down on both hydraulic floor jacks at the
same time approximately 3”. Special note: Take special
care not to over extend any brake lines and/or hoses.
Working on the driver side, remove and discard the stock
rear block. Repeat procedure on the passenger side.
41. Locate (2) new 3” lifted blocks. Working on the driver
side, install the new 3” lifted block into the stock location.
Repeat procedure on the passenger side.
42. Carefully raise up on both hydraulic floor jacks at the
same time until the spring assembly sits flush with the newly
installed 3” lifted block.
43. Locate (4) 9/16” x 3” x 10 1/2” square u-bolts. Locate (8)
9/16” u-bolt high nuts and (8) u-bolt washers from hardware
bag 916NW. Also, locate the upper and lower u-bolt plates.
Working on the driver side, install the new u-bolts into the
stock location and secure using the new 9/16” high nuts and
washers. Special note: Make sure to re-install the upper
and lower u-bolt plates into the stock location. If need be,
cut off the excess threads off each leg of the newly