Pacbrake is a registered trademark of Pacbrake Co.
5
HP10121 AMP AIR SUSPENSION KIT
L5934
L5934.REV10_16.07.2018
9
Locate the ABS sensor and harness on the topside front of the rear end housing.
This harness is supported on a stud with a white plastic fastener.
10
Remove the fastener. Install the e-brake cable bracket, removed in step 9, to this
stud. A
5
/
16
" nut is provided to secure the bracket. Re-install the plastic fastener
on the stud.
11
ATTACH THE UPPER BRACKET
Using the M10 x 35 capscrews provided, fasten the upper air spring mounting
bracket to the frame as shown in the photo. Torque the capscrews to 30 ft-lbs,
40 N•m. The upper brackets must be installed to the jounce bracket with the air
inlet fitting cutout and rectangular holes in the bracket facing towards the center
of the vehicle.
12
INSTALLING THE AIR SPRING
Insert the air spring between the jounce bumper mounting plate and the axle
tube. Some vehicles may require the frame to be jacked up slightly to attain
clearance.
NOTE: Air fittings must be positioned towards the center of the vehicle. The
outer rear carriage bolts may be installed now and must be between the brake
line and the axle tube. On the drivers side, both rear carriage bolts must be in
between the brake line and the axle tube. Passengers side is shown in photo.
Loosely install two of the 1¼" long carriage bolts up from the bottom through both
the upper mounting plates. Install the large flat washers and nylock nuts provided.
Loosely install the axle straps to the carriage bolts using the large flat washers and
nylock nuts provided.
STEP 12
STEP 11
STEP 9
STEP 10
