2008 Jeep Grand Cherokee Owners Manual

466
IF YOU NEED CONSUMER ASSISTANCE
DEPARTMENT OF TRANSPORTATION UNIFORM
TIRE QUALITY GRADES
may depart   significantly  from  the norm  due  to variations
in driving  habits,  service practices  and  differences  in road
characteristics   and  climate.
The follow ing describes  the  tire grad ing  categories  estab-
lished  by  the  National  highw  ay Traffic  Safety Adminis-
tration.   The specific  grad e  rating  assigned   by  the  tire’s
manu factu rer in  each category   is show n on  the  sidewall
of the  tires  on you r car.
Traction Grades
The traction  grad es, from  highest  to lowest,  are AA, A, B,
and  C. Those grad es rep resent  the tire’s ability  to stop  on
wet  pavem ent  as measu red  und er  controlled  cond itions
on  specified   governm  ent  test   surfaces   of  asp halt  and
concrete.  A tire marked  C may  have  poor  traction  perfor-
mance.
All Passenger   Car Tires  Must  Conform  to Federal   Safety
Requ irem ents in Addition   to  These Grad es.
Treadwear
The tread wear  grad e is a comparative  rating  based  on the
wear  rate  of  the tire  when  tested   und er controlled   con-
ditions   on  a specified   governm  ent  test  course.  For  ex-
ample,  a  tire  grad ed 150  would  wear  one  and  a  half  (1
WARN ING!
The  traction   grad e assign  ed  to this   tire  is based   on
straigh t-ah ead   brak ing  traction   tests,   and  does   not
include    acceleration  ,   corn erin g,  hydrop  lan ing,   or
peak  traction   characteristics.
1/
2) times   as well   on  the  governm ent  course   as a  tire
grad ed  100. The  relative   perform ance  of  tires  depend  s
upon   the  actu al cond itions   of their   use,  how ever,  and
Product Specification
CategoriesJeep Grand Cherokee Manuals, Jeep Manuals
Model Year2008
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- 490 pages
Document File TypePDF
CopyrightAttribution Non-commercial
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