Maintenance Manual

f32123406/29/2016
A
Measure Point
Suspension Height Measurement
Min Target Max
A = Measure Here
2-3/4 inch
(70 mm)
3 inch
(76 mm)
3-1/4 inch
(83 mm)
Table 5, Suspension Ride-Height Measurement, Dual-
Leaf Spring, 46k High Ride
32–02 Suspension U-Bolt
Torque Check
NOTICE
Failure to retorque the U-bolt nuts could result in
spring breakage and abnormal tire wear.
Check the U-bolt torque of both the front and rear
axles where applicable.
1. Park the vehicle on a level surface and apply the
parking brakes. Chock the tires.
2. Check the U-bolt torque. See
Table 6 for U-bolt
torque specifications. Tighten in a diagonal pat-
tern as shown in
Fig. 3. Set a click-type torque
wrench to the mid-point torque value for the fas-
tener being checked. Turn the wrench in a clock-
wise motion (looking up) until the torque wrench
clicks, then release pressure on the torque
wrench, and turn the wrench again until it clicks.
If the nut turns on the second application, the
bolt is stretching and must be replaced. See
Group 32 of the New Cascadia
™
Workshop
Manual for bolt replacement procedures.
Spring U-Bolt High Nut Torque Values
Size Torque: lbf·ft (N·m)
5/8–18 180–230 (245–313)
3/4–16 270–330 (367–449)
7/8–14 420–500 (571–680)
1–14 520–600 (707–816)
M20 216–274 (292–372)
M20 (Airtek) 330–370 (447–502)
Table 6, Spring U-Bolt High Nut Torque Values
f32078310/05/2016
1
23
4
Fig. 3, Tightening Pattern for U-Bolt High Nuts
Suspension 32
New Cascadia Maintenance Manual, 03/01/2020 32/5