Service and Maintenance
. . . 194
Inflation
"Specifications and Capacities"
later in this section for your vehi-
The "Specifications and Capaci-
ties" information gives the correct
when they're cold.
Cold means your vehicle has been
sitting for three hours or more - or,
if driven at all, for no more than
1.6 km.
leads to better fuel economy,
ride and better overall driveability.
month. Don't forget your spare
NOTICE
Excessively low inflation causes
strength and thus may damage
loading, abnormal wear, poor
driveability, and poor fuel
economy.
Excessively high inflation causes
ride which promotes vehicle
damage due to impact from
road bumps.
You'll get the best readings when
valve stem.
valve to get a pressure measure-
ment.
If the pressure is low, add air until
you reach the recommended
pressure.
Be sure to put the valve caps back
on the valve stems. They help
prevent leaks by keeping out dirt
and moisture.
09Spark_GenR.fm Page 194 Monday, May 5, 2008 2:03 PM
sure gauge is recommended.
See "Wheels and Tyres" under
cle's tyre inflation specifications.
inflation pressures for your tyres
Maintaining the cold tyre pressure
longer tyre life, a more comfortable
Check your tyres at least once a
tyre.
Improper tyre pressure
promotes adverse effects in tyre
deflection of the tyre and tyre
abnormal tyre wear and poor
life and vehicle performance.
overheating which reduces tyre
To check and adjust tyre pressure:
For tyre pressure inspection, the
use of a quality pocket tyre pres-
the tyres are cold.
Recheck the tyre pressure.
Press the tyre gauge firmly onto the
the tyres. It also causes tyre over-
Remove the valve cap from the tyre
195 . . .
–
–
–
–
Section
4
larly for unusual wear or damage.
section for additional information.
have them inspected and rotated
at the mileages recommended in
your Maintenance Schedule.
Follow the diagram above for the
correct rotation pattern.
Make sure the wheel nuts are
properly tightened.
CAUTION
Incorrect wheel nuts or improp-
erly tightened wheel nuts can
cause the wheel to become
loose and even come off. This
could lead to an accident. Be
sure to use the correct wheel
nuts.
After rotation, adjust the front and
has
left.
If you can see the tread wear indi-
A
09Spark_GenR.fm Page 195 Monday, May 5, 2008 2:03 PM
Check your tyres and wheels regu-
See "Tyre Replacement" later in this
To make your tyres last longer,
rear tyre pressures.
Tyre Replacement
Your tyres have tread wear indica-
1.6 mm (1/16 inch) or less of tread
cators, as in this picture, you need
tors
. They tell you when a tyre
Inspection and Rotation
a new tyre.
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