MAINTENANCE
SCHEDULE
For
owner
convenience, a separate
Maintenance
folder
has been provided
with
your
car which
contains
a
complete
schedule and brief
explanation
of
the
safety, emission
control,
lubrication
and
general maintenance it requires.
The
Maintenance
folder
information
is
supplemented
by
this
section of
the
Owner's
Manual,
as
well as
the
separate
Emission
Control
Systems
folder also
furnished
with
your
car. Read all
three
publications for a full understanding
of
vehicle
maintenance
requirements.
FUEL
REQUIREMENTS
Your
Oldsmobile
is
designed
to
operate
on
unleaded or low lead fuels
of
at
least
91
Research Octane. These fuels will minimize
spark
plug fouling
and
emission
control
system
deterioration.
Fuels
with
Regular
SERVICE
AND
MAINTENANCE
grade
octane
quality
should be used
only
when
needed
to
eliminate knock
--
a
metallic rapping noise
generated
during
the
combustion
process.
The
engine does
not
require Premium fuel.
Therefore,
its use
would
be an unnecessary additional
expense.
If
knocking persists,
consult
your
authorized
Oldsmobile dealer. In
any
case,
continuous
or
excessive knocking may
result
in
engine damage
and
constitutes
misuse
of
the
engine for which Oldsmobile
Division
is
not
responsible
under
the
terms
of
the
New Vehicle Warranty.
If
the
service
station
gas
pump
has a
symbol
similar
to
the
samples below,
preferably use unleaded
or
low-lead gas
with a symbol
number
of 2. Regular fuel
(symbol
number
3) should be used
only
when
needed
to
eliminate
knock.
Ask
your
gasoline dealer
for
information
on
the
fuel
you are using
both
as
to
lead
content
and
octane
rating.
GAS
CAP
REMOVAL
Gas
Cap-The
fuel
tank
filler cap has a
two-step
removal
and
installation
procedure
plus a pressure-vacuum safety
relief valve.
It
is
equipped
wi
th
a
double
set of locking
tangs.
To
remove:
•
Rotate
cap
one-half
turn
counterclockwise
to
clear
the
first set of
tangs from
the
slots inside
the
filler
neck.
• This will allow
any
residual pressure
to
•
escape.
• Pull
the
cap
outward
and
rotate
59
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