7
Maintenance
2017 Interstate 9-5
Tire Care
The most important function of tires is to provide
traction while moving and grip when steering or
stopping� The tires on your touring coach are designed
for highway use and must be properly maintained in
order to maximize tire life, as well to provide a safe
mode of transportation�
Tire Care Tips
To reduce the risk of tire failure, we strongly
recommend the following:
1� Check the pressure in your tires, including your
spare, at least monthly when the tires are cool
(after the vehicle has been stopped for 3 hours and
then driven less than 1 mi)� Do not reduce pressure
when tires are hot� Use a tire gauge to check
pressure and maintain it at the recommended level�
2� Never overload your tires� Heed the maximum
load-carrying capability of your tires�
3� Check your tires frequently for scrapes, bulges,
separations, cuts, or snags resulting from use� See
your tire dealer immediately if any such condition is
discovered�
4� Never operate your vehicle in excess of lawful
speeds, the maximum speeds justied by driving
conditions, or in excess of speeds recommended
for the tires you are using�
5� Make every effort to avoid running over objects
that may damage the tire through impact or cutting,
such as chuck holes, glass, metal, etc�
6� Never drive on smooth tires� Tires should be
removed when 2/32 in� of tread depth remains� In
most states, it is illegal to drive with less than 2/32
in� remaining tread depth�
7� Park out of the sun whenever possible when in
warm climates� In desert regions, use tire covers to
prevent ultra violet light deterioration to tires�
Tire Inspection and Storage
Before taking your touring coach on a trip or when
removing it from an extended storage period, make
it a practice to inspect the overall condition of your
tires� Check for any type of condition or damage that
might result in failure� A thorough check should include
both inside and outside sidewalls, tread area, and
the condition of hardware such as valve stems, valve
caps, and wheels� The tread should be checked for any
unusual wear, cracking, penetrations, and/or cuts� An
uneven wear pattern can indicate misalignment or worn
suspension parts�
Since many touring coach’s are used seasonally and
sometimes stored for extended times, it is possible
that tires will take many years to wear out� Tires, as
any rubber product, will age over time� If tires show
cracking in the sidewall or tread surfaces that are more
than 2/32-in� deep, they should be replaced before
your next trip or vacation� Store your touring coach
in a cool, dry area away from major heat sources
and extreme cold� An enclosed storage area is best
with no exposure to electromagnetic sources such
as generators or transformers� If you must keep your
touring coach outside, cover your tires from direct
sunlight� Take your touring coach to your tire dealer for
service to check or correct any of these conditions�
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