I
A
CAUTION:
You can be injured and your vehicle could be
damaged if you
try
to do service work
on
a
vehicle without knowing enough about it.
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Be sure you have sufficient knowledge,
experience, the proper replacement parts
and tools before you attempt any vehicle
maintenance task.
Be sure to use the proper nuts, bolts and
other fasteners. “English” and “metric”
fasteners can be easily confused.
If
you use
the wrong fasteners, parts can later break
or
fall off. You could be hurt.
Adding Equipment
to
the Outside
of
Your Vehicle
Things
you
might add to the outside
of
your vehicle can
affect the airflow around it. This may cause wind noise
and affect windshield washer performance. Check with
your Geo dealer before adding equipment to the outside
of your vehicle.
Fuel
Use regular unleaded gasoline rated at 87 octane or
higher.
At
a
minimum,
it
should meet specifications
ASTM
D4814
in the United States and CGSB
3.5-M93
in
Canada. Improved gasoline specifications have been
developed by
the
American Automobile Manufacturers
Association (AAMA) for better vehicle performance
and engine protection. Gasolines meeting the AAMA
specification could provide improved driveability and
emission control system protection compared to
other gasolines.
Be sure the posted octane
is
at least 87. If the octane is
less than 87,
you
may get a heavy knocking noise when
you drive. If it’s bad enough, it can damage your engine.
If you’re using fuel rated at
87
octane or higher and
you
still hear heavy knocking, your engine needs service.
But don’t worry if you hear a little pinging noise when
you’re accelerating or driving up
a
hill. That’s normal,
and you don’t have to buy a higher octane fuel to get rid
of
pinging. It’s the heavy, constant knock that means
you have a problem.
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