Explanation Of Scheduled Maintenance Services - Chevrolet 1993 Astro Passenger Owner's Manual

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Scheduled Maintenance Services
Explanation Of Scheduled Maintenance Services
Below are explanations of the services listed in the maintenance charts.
The proper fluids and lubricants
to use are listed in this section. Make sure
whoever services your vehicle uses these. All parts should be replaced and
all necessary repairs done before you or anyone else drives the vehicle.
1.
ENGINE OIL AND
OIL FILTER CHANGE* -ALWAYS USE
SG OR
SG/CE QUALITY, ENERGY CONSERVING
II OILS OF THE PROPER
VISCOSITY. To determine the preferred viscosity oil for your vehicle's
engine (e.g. SAE 5W-30). See "Engine Oil"
in the Index.
bushings, steering linkage, transfer case shift linkage, parking brake cable
guides, propshaft splines, universal joints and brake pedal springs at the
intervals specified on the proper maintenance schedule or at every
engine oil change, whichever comes first.
2. CHASSIS LUBRICATION -Lubricate the front suspension, king pin
Ball joints and king pin bushings should not be lubricated unless their
temperature is 10°F (-12"C), or higher. When the weather
is cold, let
them warm up before lubrication or they could be damaged.
Also, be sure to check all the vehicle fluid levels at this time.
3. COOLING SYSTEM SERVICE*
-Drain, flush and refill system with new
coolant. See the Index under "Engine Coolant" for the proper coolant
and mixture to use in your vehicle.
Also inspect the hoses and replace them
if they are cracked, swollen, or
deteriorated. Tighten all hose clamps. Clean the outside
of the radiator
and air conditioning condenser.
Wash the radiator neck.
To ensure proper
operation, pressure test the radiator and cap.
4. AIR CLEANER FILTER REPLACEMENT*
-Replace at specified
intervals. Replace more often under dusty conditions. Ask your dealer for
the proper replacement intervals for your driving conditions.
5.
FRONT WHEEL BEARING REPACK (2-WHEEL DRIVE ONLY)
-Clean
and repack the front wheel bearings at each brake relining,
or at the
specified interval, whichever comes first.
*
An Emission Control Service

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