1993 Chevrolet Astro Owner's Manual - Page 314

1993 Chevrolet Astro Manual

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Scheduled Maintenance Services Explanation Of Scheduled Maintenance Services Belowareexplanations of theserviceslistedinthemaintenancecharts. Theproperfluidsandlubricants to usearelistedinthissection.Makesure whoeverservicesyourvehicleusesthese.Allpartsshouldbereplacedand allnecessaryrepairsdonebeforeyouoranyoneelsedrivesthevehicle. 1. ENGINEOILAND OIL FILTERCHANGE* -ALWAYSUSE SG OR SG/CEQUALITY,ENERGYCONSERVING II OILS OF THEPROPER VISCOSITY. To determinethepreferredviscosityoilforyourvehicle's engine(e.g.SAE5W-30).See"EngineOil" in theIndex. 2. CHASSISLUBRICATION -Lubricatethefrontsuspension,kingpin bushings,steeringlinkage,transfercaseshiftlinkage,parkingbrakecable guides,propshaftsplines,universaljointsandbrakepedalspringsatthe intervalsspecifiedonthepropermaintenancescheduleoratevery engineoilchange,whichevercomesfirst. Balljointsandkingpinbushingsshouldnotbelubricatedunlesstheir iscold,let temperatureis 10°F (-12"C),or higher.Whentheweather themwarmupbeforelubricationortheycouldbedamaged. Also, besuretocheckallthevehiclefluidlevelsatthistime. 3. COOLINGSYSTEMSERVICE* -Drain,flushandrefillsystemwithnew coolant.SeetheIndexunder"EngineCoolant"forthepropercoolant andmixture to useinyourvehicle. if theyarecracked,swollen,or Alsoinspectthehosesandreplacethem deteriorated.Tightenallhoseclamps.Cleantheoutside of theradiator andairconditioningcondenser. Wash theradiatorneck. To ensureproper operation,pressuretesttheradiatorandcap. 4. AIRCLEANERFILTERREPLACEMENT* -Replaceatspecified intervals.Replacemoreoftenunderdustyconditions.Askyourdealerfor theproperreplacementintervalsforyourdrivingconditions. 5. FRONTWHEELBEARINGREPACK(2-WHEELDRIVEONLY) -Clean andrepackthefrontwheelbearingsateachbrakerelining, oratthe specifiedinterval,whichevercomesfirst. * AnEmissionControlService

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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
allnecessaryrepairsdonebeforeyouoranyoneelsedrivesthevehicle.
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
intervalsspecifiedonthepropermaintenancescheduleoratevery
engineoilchange,whichevercomesfirst.
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.SeetheIndexunder“EngineCoolant”forthepropercoolant
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,pressuretesttheradiatorandcap.
4.
AIR CLEANER FILTER REPLACEMENT*
-Replace at specified
intervals.Replacemoreoftenunderdustyconditions.Askyourdealerfor
theproperreplacementintervalsforyourdrivingconditions.
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