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40–01 Wheel Nut Check
IMPORTANT: After a wheel has been installed,
the wheel nut torque must be rechecked after
50 to 100 miles (80 to 160 km) of operation.
Check the torque on all wheel nuts. See
for
torque specifications, and see
for the wheel
nut tightening sequence.
NOTE: Torque values are given for lubricated
threads. Apply 2 drops of SAE 30W oil to a
point between the nuts and flanges.
NOTICE
Insufficient wheel nut torque can cause wheel
shimmy, resulting in wheel damage, stud
breakage, and extreme tire tread wear. Excessive
wheel nut torque can break studs, damage
threads, and crack discs in the stud hole area.
Use the recommended torque values, and follow
the tightening sequence shown in
Disc Wheel Fastener Torque
Nut Size
Torque: lbf·ft (N·m)
Oiled
M22 x 1.5
450–500 (610–678)
NOTE: If using specialty fasteners, consult the
manufacturer for recommended torque levels.
Table 1, Disc Wheel Fastener Torque
40–02 Tire Check
Tires should be inspected closely during the first
3000 to 10,000 miles (5000 to 16 000 km) for
abnormal wear.
Maintain the proper pressures for carried loads, per
the tire manufacturers’ recommendations, or the tire
pressure label on the driver’s door.
Have the wheel alignment checked after the first
10,000 miles (16 000 km), then every 40,000 miles
(60 000 km) thereafter.
Do not continue to drive the vehicle if tires develop
any of the following:
•
blisters;
•
cuts or punctures that reach to the cord;
•
a nail, screw, rock, or other puncturing object;
•
flat spots or irregular wear;
•
tread worn to a minimum depth;
•
inability to maintain proper tire pressure.
f400157
10/06/2016
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Fig. 1, Wheel Nut Tightening Sequence
Wheels and Tires
40
eCascadia Maintenance Manual, 10/03/2022
40/1
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