GMC 2003 Sierra - Manual (Page 449)

Duat Tire Operation Tire Inspection and Rotation
Whfln ihe V0hicl9 rs new, or whenever a
iwheel,
wheel
bolt or wheel nut is replaced, check the wheel nut lorque
after too, 1,000 and 6,000 iriiles (160, 1 600 and
10 000 kfinj of driving. For proper torque and wheel nut
tighlening Information, aae "Tightening (he Wheel
later In lhl& section.
The outer tire on a dual wheel setup generally wears
taster than (he inner tire. Your lires will wear more
evenly and last longer if you rotate the tines periodically.
See "Tire Inspection and Rolalion" earlier in this
section. Also sog "Scheduled Maintenance Services" in
the Jnde>i for scheduled rotation intervals
Д CAUTION:
If you operale your vehicle with a tire that is
badly urtderinflated, the tire can overheat. An
overheated tire can lose air suddenly or catch
tire. You or others could be injured. Be sure
all
tires (including the spare} ere properly inflated^
Tires should he rotated every 7,500 miles {12 500 lím).
Any Tirne you rwtice unusual wear, rotate your tires
as soon as possible and check wheel alignment. Also
check for damaged tires or wheels. See
W t r e n it
fs
T im e
for A^ew TjiVes on page 5-77 and Whop! REpfacenjenf
an page 5-&0 for more inlormation.
Malte sure the spare tire fs stored securely. Push, pull,
artti then Iry to rotate or turn the tire. If it moves,
use the wheel wrerigh/holit shaft to tighten the cable.
See
Changing a Flat Tire on page S'flA,
II your vehicle has dual near wheels, also see Doa! Ttre
Operation on page 5-74.
The purpose ol regular roiaiion is to achieve more
uniform wear for all (ires on the vehicle. The firsi TOtatior
is the most ImportanL See "Pari A: Scheduled
Maintenance Services," in Section 6, tor scheduled
rotation Intervals.
See 'Tires“ and "Inflation - Tire Pressure" in the lindex
for more information on proper tire inflation.
5-74