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RECOMMENDED SCHEDULE
FOR PERIODIC
MAINTENANCE AND LUBRICATION
The time or mileage intervals on the following pages are intended as a guide for
establishing
regular maintenance and
lubrication periods for your Chevrolet. Sustained heavy duty or high speed operations of operation under adverse condi-
tions may necessitate more frequent servicing. To determine specific recommendations for conditions under which you
use your car, consult your Authorized Chevrolet Dealer.
Engine Oil Change Interval
Change oil each
4
months. If more
than 6,000 miles are driven in a 4-
month period, change oil each
6,000,
miles.
In certain types of service including
operation under dUsty conditions,
trailer hauling, extensive idling, serv-
ice where the operation is primarily
10-mile or shorter trips, .or PRO-
LONGED OPERATION AT SUB-
ZERO TEMPERATURE, OIL
CHANGE INTERVALS SHOULD
NOT EXCEED 2 MONTHS, OR 3,000
MILES, whichever occurs first. Oper-
ation in
·
dust storms may require an
immediate change of oil. See your
Chevrolet dealer for advice on the
frequency of oil and filter changes un-
der unusual driving
conditions.
The above recommendations apply
to the first change as well as subse-
quent oil
changes~
The oil
change
in-
terval for your Chevrolet engine is
based on the use of oils that meet
the;
requirements indicated in the section
on "Engine Oil Recommendations."
Oil change intervals longer than those
listed above will result in serious re-
ductions in engine
.
life and may affect
Chevrolet obligation under the pro-
visions of the new vehicle warranty.
A high quality MS oil meeting Gen-
eral Motors Standard GM 6041-M
was
installed in
your
engine at the factory.
It is not necessary to change this
factory-installed oil prior to the rec-
ommended normal change period.
However, the oil level should be
checked more frequently during the
60
break-in period since somewhat higher
oil consumption is normal until the
piston rings in the engine become
seated.
Engine Tune-Up, Emission
Control and Electrical
System Checks
Fuel and electrical systems are
sub-
ject to wear and contamination and
require
periodic cleaning and
adjust-
ments to maintain maximum economy
and performance. Proper adjustment
of
carburetor
idle speed, fuel mixture,
engine
timing and operation of the
Positive Crankcase Ventilation Valve
(PCV) are important to control hy-
dro-carbon and CO emissions within
government
legislated levels. These
adjustments and an operational check
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