Owners manual

18
51088
Revised
12.1.05
ADD-A-LEAF (13124) INSTALLATION
NOTE: In order to properly install the
add-a-leaf spring, it will be necessary to contain
the elasticity in the leaf spring with “C” clamps
when the center bolt is removed. Some springs
have a factory helper spring consisting of one or
more flat leaves installed at the bottom of the
leaf pack. DO NOT install the add-a-leaf spring
in or below the helper spring.
1) Place floor jack underneath rear axle and
raise vehicle. Place jack stands under frame
to support vehicle and remove rear wheels.
2) With the floor jack, raise the rear axle
enough to relieve tension on the shock ab-
sorbers and remove them. Disconnect the
axle vent hose from the axle housing.
3) Remove the axle u-bolts. Remove the
spring eye bolts and/or shackles and remove
the springs from the vehicle.
4) Hold the spring assembly securely to-
gether with “C” clamp. Remove any spring
leaf alignment clamps. Remove the spring
center bolt. A hammer and drift punch may
be used to drive it out if necessary.
5) Carefully remove “C” clamps and lay un-
assembled spring aside.
NOTE: Add-a-leaf will be placed
in the spring assembly progressively according
to length. For example, if the existing leaves
are 32” long and 25” long and the add-a-leaf is
28” long, place the add-a-leaf between the exist-
REAR INSTALLATION:
Helper leaf assembly. Do not
install in or below this assem-
bly.
Install the add a leaf in the
factory spring pack, above a
leaf that is shorter and below
one that is longer than the new
one. Follow the enclosed in-
structions. Depending on your
truck this may fall in a spot
other than shown.
13-90347
U-Bolts
4” Lift Block
PN 95-400
High Nuts and Wash-
ers PN 20-65471
Illustration 16
Rear Leaf Spring Assembly
Front of vehicle