operators_manual

Table Of Contents
Suspension U-Bolts, Grade 8
Torque specifications for suspension u-
bolts.
Tighten all U-Bolts with a torque wrench.
Torque specifications apply to the following
fasteners with lightly lubricated threads.
Chevron Zinc Lubricant or SAE 20/30 oil
should be used on U-Bolt threads. Torque
requirements apply to manufacturer
proprietary suspensions. All other
suspensions must refer and adhere to
original manufacturers shop manual.
Standard and Metric Fastener
Torque for Grade 8 U-Bolts
U-Bolt
Size
Diameter
(inches)
Torque
(N•m)
Torque
( lb-ft)
3/4 333-408 245-300
7/8 598-734 440-540
1 925-1,060 680-780
1 1/8 1,470-1,660 1,080-1,220
U-Bolt
Size
Diameter
(inches)
Torque
(N•m)
Torque
( lb-ft)
1 1/4 1,890-2,120 1,390-1,560
1 1/2 3,130-3,860 2,300-2,840
M20 475 +/- 27 350 +/- 20
The values shown here are for suspension
u-bolts and should not be applied to bolts
and fasteners for the frame.
See Also
Front Axle and Suspension on page 194
Rear Axle and Suspension on page 201
Wheels on page 210
MAINTENANCE - Specification Reference Charts
Y53-6096-1A1 (01/17) 213
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