Chevrolet 1965 CORVAIR Owner's Manual page 40

PERIODIC MAINTENANCE AND LUBRICATION
The time or mileage intervals on the following pages
are intended as a general guide for establishing regular
maintenance and lubrication periods for your Corvair.
Sustained heavy duty or high speed operations or oper-
ation under adverse conditions may necessitate more
frequent servicing. For specific recommendations for con-
ditions under which you use your vehicle, consult your
authorized Chevrolet Dealer.
37
ENGINE OIL CHANGE*
See "Engine Lubrication" in previous pages.
OIL FILTER*
Change the filter element every 6000 miles or every
six months, whichever occurs first.
CRANKCASE VENTILA T10N*
Valve Type (Air Conditioned Models)-Test at every
oil change, replace as required.
Fixed Orifice Type-Check at every oil change,
clean every 12,000 miles.
STEERING GEAR
Every 36,000 miles-Remove filler plug and check
lubricant level. If necessary add water resistant EP
lubricant to bring to level of filler plug hole.
*
More often under prolonged dusty
driving
conditions.