Chevrolet 1977 light duty truck Service Manual page 327

G eneral D escription
M a in te n a n c e
W heel R eplacem ent C onsideration
W heel N u t T o rq u e s
T ire Inspection and R o ta tio n
Tire Inflation Pressure
Service O p e ra tio n s
C o rrecting Irregular Tire W e a r
W heel Rem oval and In s talla tio n
Tire M ounting and D e m o u n tin g
Dual W heel A ttac h m e n t P 30 0 M odels....................................................................................................... ..3E-9
The 1977 truck is equipped with a wide range of
tube or tubeless type tires and wheels selected according
to the truck Gross Vehicle W eight Rating (GV W R) and
type o f service. The dual rear wheel option is available
on Series 30 trucks. The factor installed bias belted tires
are selected to provide
perform an ce for all normal operations. All tires are
m anu factured for use
co nfiguration and load
replacing a worn or dam aged tire it is essential that you
use a replacem ent tire o f the same size and load rating
as that with which the vehicle was equipped when
m anufactured. Use of any other size o f tire may
seriously affect ride, handling, ground clearance, tire
clearance an d speedom eter calibration. Similarly, use of
wheels with offsets other than recommended, or use of
w hat are commonly referred to as "reversed rim s" may
seriously overload wheel
components causing rapid w ear or failure o f these parts
and void the vehicle warranty. To achieve best all
around vehicle handling perform ance belted tires and
bias ply tires should not be mixed on the same truck.
Because o f possible adverse effects on vehicle handling,
do not mix radial ply tires with other type tires on the
same vehicle.
SECTION 3E
WHEELS AND TIRES
GENERAL DESCRIPTION
the best all around
on wheels o f specific size,
c a rry in g capacity. W hen
bea rin g s o r other axle
INDEX
NOTE: On four-wheel drive vehicles all tires must
be o f equal size (but not necessarily ply rating) and
o f same tread configuration.
TUBELESS TIRES
These tire have an inner liner which, i f punctured,
tire
tends to cling to the penetrating object form ing a partial
seal until the object is removed from the tire. It is
essential to conduct a periodic pressure check according
to the tire inflation tables on the following pages plus a
visual tire inspection to detect im bedded objects which
might otherwise go unnoticed and cause serious casing
damage.
TUBE TIRES
Some commercial vehicles are equipped (at
tomer option) with synthetic rubber tires and tubes.
3E-1
3E-2
3E-2
3E-2
3E-2
3E-2
3E-6
3E-6
3E-7
3E-8
I
cus-