GMC Chevrolet CAMARO 1969, Owner'S Manual

Page: 71 / 92

of carburetor idle speed, fuel mixture,
engine timing and operation of the
Positive Crankcase Ventilation Valve
(PCV) are important to control hy-
drocarbon and CO emissions within
government legislated levels. These
adjustments and an operational check
of the PCV Valve should be made at
the first oil change (4 months or 6,000
miles, whichever occurs Hrst). The
above fuel and electrical system
checks also are
included
i n
engine
tune-ups which are recommended at
one year or 12,000-mile intervals.
Air Injection Reactor (A.I.R.)
The Air Injection Reactor system
should have the A.I.R. pump drive belt
inspected for wear and tension every
12 months or 12,000 miles whichever
occurs first.
Positive Crankcase
Ventilation Valve
Replacement
Crankcase vapors and other impur-
ities can cause malfunction of the
crankcase ventilation valve. Regular
replacement of the PCV Valve is
recommended at 12-month or 12.000
mile intervals.
Engine Oil Filter
The engine oil filter should be re-
placed at the first
oil change and
every second oil
change
thereafter.
This recommendation is based on the
use of engine oils that meet the re-
quirements indicated in the section on
"Engine Oil Recommendations," and
the use of the approved AC oil filter.
When
replacement
is
necessary al-
ways specify an AC Oil Filter.
Manifold Heat
Control Valve
Every 6,000 miles or six months,
check heat control valve for freedom
of operation.
If shaft is sticking free
it up with GM Manifold Heat Control
Solvent or its equivalent.
Drive Belts
Every 6000 miles-Inspect drive
belts for wear, fraying, cracking, and
tension. Belts which are in poor con-
dition should be replaced immediately.
Check tension by applying moder-
ate thumb pressure midway between
pulleys. If the center to center dis-
tance between pulleys is 13 to 16
inches, the belt should deflect % inch.
65
If the center to center distance is 7 to
10 inches, the belt should deHect %
inch. Loose belts should be reten-
sioned to givethe correct deHection.
Air Cleaner
CAUTION:
the carburetor, the also acts
as
Because
at all times
is necessary
of the venicle.
Paper Element Type First 12,000
miles, inspect element for dust leaks,
holes or other damage, replace if nec-
essary. If satisfactory, rotate element
180° from originally installed position.
Replace element at 24,000 miles. Ele-
ment must not be washed, oiled,
tapped or cleaned with an air hose.
If so equipped "Bow Tie" filter
should be replaced every 24,000 miles.
Flame Arrester - Every 12,000 miles
-Clean the arrester (located in the
base of the air cleaner) with kerosene
or a suitable solvent. Dry with com-
pressed air.