User Manual

Table Of Contents
Flex Air Fastener Torque Values
Fastener
Fastener
Name
Torque lb-ft
(N•m)
M16
Drive
bracket -
frame bolts
155–195
(210–264)
Drive
bracket -
link spring
bolt
Drive
bracket -
radius rod
bolt
Drive beam
- shock bolt
(lower)
Shock
bracket -
shock bolt
(upper)
Fastener
Fastener
Name
Torque lb-ft
(N•m)
Tracking
rod bolts
(all)
M10 Air spring
support
beam bolts
36–51 (49–
69)
0.88 - 14
UNF
Drive beam
- link spring
bolt
380–460
(515–624)
0.88 - 14
UNF
Radius rod
bracket bolt
380–460
(515–624)
M22 x 1.5
U-bolt
33
Refer to
section on
Suspension
U-Bolts,
Grade 8.
0.5 UNC Air bag stud
nut
40–50 (54–
68)
Low Air Leaf Torque Values
Low Air Leaf T
orque values apply to both
single and tandem axles.
Fastener
Fastener
Name
Torque lb•ft
(N•m)
M20 x 2.5 Bar pin
bolts
325–425
(441–576)
M22 x 1.5 U-bolt,
spring
34
Refer to
section on
Suspension
U-Bolts,
Grade 8.
0.5 UNC Air bag stud
nut
40–50 (54–
68)
M16 Tracking
rod bolts
155–195
(210–264)
33
Contact your dealer for torque tightening procedure.
34
Contact your dealer for torque tightening procedure.
MAINTENANCE - Specification Reference Charts
286 Y53-6113-1A1 (11/20)
5