User Manual

REARAXLEANDSUSPENSION
U-BoltTorque
NOTE
Toensureanaccuratetorqueread-
ing,useproperlymaintainedand
calibratedtorquewrenches.Clean
thenutandbolt.Nodirt,grit,orrust
shouldbepresent.
WARNING!
Donotoperatethevehicleifthe
U-boltsarenotproperlytightened.
LooseU-boltswillcausetheaxle
tonotbeproperlysecuredtothe
suspension,whichcouldcauseloss
ofvehiclecontrolandanaccident.
LooseU-boltscanalsocauseun-
eventirewearandpooralignment.
Failuretocomplymayresultin
death,personalinjury,equipmentor
propertydamage.
NOTE
Wheneverpossible,torqueallfas-
tenersonthenutend,notthebolt
head.
RearSuspensionFasteners(Metricand
Standard)
TORQUE*SIZE/
TYPE
NmLb-Ft
M16nylon-
insertnuts
163-217120-160
M20nylon-
insertnuts
352-460260-340
M20all-
metallock
nuts
427-475315-350
1/2in.nut
109-12280-90
3/4in.nut
394-462290-340
1-1/4in.
nut
1,877-
2,217
1,380-
1,630
*Torquerequirementsapplyto
manufacturerproprietarysuspensions.All
othersuspensionsmustreferandadhere
tooriginalmanufacturer'sshopmanual.
RearSuspensionU-Bolts,Grade8
(lubricated*)
TORQUE**U-BOLT
SIZE
DIAME-
TER
THREAD
NmLb-Ft
3/4
333-408245-300
7/8
598-734440-540
1925-1,060680-780
1-1/8
1,470-
1,660
1,080-
1,220
1-1/4
1,890-
2,120
1,390-
1,560
1-1/2
3,130-
3,860
2,300-
2,840
*ChevronZincLubricantorSAE20/30oil
shouldbeusedonU-Boltthreads
**Torquerequirementsapplyto
manufacturerproprietarysuspensions.All
othersuspensionsmustreferandadhere
tooriginalmanufacturer'sshopmanual.
•Loadthevehicletoitsnormal
grossweightbeforetightening
U-bolts.Loadingthevehicle
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