1993 Chevrolet Suburban Owner's Manual - Page 355

1993 Chevrolet Suburban Manual

Page 355 highlights

Scheduled Maintenance Services Explanation Of Scheduled Maintenance Services Belowareexplanations of theserviceslisted in themaintenancecharts. Theproperfluidsandlubricantstousearelisted in thissection.Makesure All partsshouldbereplacedand whoeverservicesyourvehicleusesthese. all necessaryrepairsdonebeforeyouoranyoneelsedrivesthevehicle. 1. ENGINEOILAND OIL FILTERCHANGE* -ALWAYS USE SG OR SG/CEQUALITY,ENERGYCONSERVING II OILS OF THE PROPER VISCOSITY. To determine the preferred viscosity oil foryourvehicle's 10W-30), see"EngineOil" in theIndex. engine(e.g.SAE5W-30or 2. CHASSISLUBRICATION -Lubricatethefrontsuspension,king pin bushings,steeringlinkage,transmission,andtransfercaseshiftlinkage, (2 wheeldrive),brake parkingbrakecableguides,propshaftsplines pedalsprings,andclutchpedalspringsattheintervalsspecified. If youhavea 3500 HD, lubricatethekingpinsandkingpinbushings every 1,500 miles (2500 km) forMaintenanceSchedule 1, orevery 3,000 (5000 km)forMaintenanceSchedule 2. Balljointsandkingpinbushingsshouldnotbelubricatedunlesstheir temperature is 10°F (-12"C), orhigher.Whentheweatheriscold,let or theycould be damaged. themwarmupbeforelubrication Also, besure to checkallthevehiclefluidlevelsatthistime. 3. CLUTCH FORK BALLSTUDLUBRICATION -Lubricatetheclutchfork ballstudthroughthefittingontheclutchhousing.Lubricantmustbe 0066 Ib.(.003kg) is required to added"sparingly"tothefitting,asonly. lubricatethe ball studsurface. Do notaddlubricantmoreoftenthanthe Too much lubricant will damage intervalsintheMaintenanceCharts. theclutch assembly. 4. ENGINEIDLESPEEDADJUSTMENT(DIESELENGINES)* -Adjustto thespecificationsshownontheunderhoodlabel. Youmustuse calibratedtestequipment. 5. COOLINGSYSTEMSERVICE* -Drain,flushandrefillsystemwithnew coolant.See"EngineCoolant"intheIndexforthepropercoolantand mixture to use in your vehicle. Also inspectthehosesandreplacethem if they i cracked,swollen, or deteriorated.Tightenallhoseclamps(exceptconsranttension clamps). Removedebrisandcleantheoutsideoftheradiatorandairconditioning To ensureproperoperation,pressure condenser.Washtheradiatorneck. testtheradiatorandcap. * AnEmissionControlService 7-1 8

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Scheduled
Maintenance
Services
Explanation
Of
Scheduled
Maintenance
Services
Belowareexplanations
of theserviceslisted
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 foryourvehicle’s
engine (e.g. SAE 5W-30 or
10W-30),
see “Engine Oil”
in the
Index.
2.
CHASSIS LUBRICATION
-Lubricate
the
front suspension, king
pin
bushings, steering
linkage,
transmission, and
transfer case shift
linkage,
parking brake cable guides, propshaft splines
(2
wheel drive), brake
pedal springs, and clutch pedal springs at
the
intervals specified.
If
you have a
3500
HD,
lubricate
the king pins and king pin bushings
every
1,500
miles
(2500
km) forMaintenanceSchedule
1,
orevery
3,000
(5000
km) for Maintenance Schedule
2.
Balljointsandkingpinbushingsshouldnotbelubricatedunlesstheir
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.
CLUTCH
FORK
BALL STUD LUBRICATION
-Lubricate
the clutch
fork
ballstudthroughthefittingontheclutchhousing.Lubricantmustbe
added “sparingly”
to
the
fitting, as only.
0066
Ib. (.003 kg)
is required
to
lubricatethe ball studsurface.
Do
notaddlubricantmoreoftenthanthe
intervalsintheMaintenanceCharts.
Too
much
lubricant
will
damage
the clutch
assembly.
4.
ENGINE
IDLE SPEED ADJUSTMENT (DIESEL ENGINES)*
-Adjustto
the specifications shown on
the underhood
label.
You must use
calibrated test equipment.
5.
COOLING SYSTEM SERVICE*
-Drain,
flush and refill system with new
coolant. See “Engine Coolant”
in the Index for the proper coolant and
mixture
to
use in your vehicle.
Also
inspect
the
hoses
and
replace
them
if
they
i
cracked,
swollen,
or
deteriorated.Tightenallhoseclamps(exceptconsranttension
clamps).
Remove debris and clean the outside of the radiator and air conditioning
condenser. Wash
the radiator neck.
To
ensure proper operation, pressure
testtheradiatorandcap.
*
An Emission Control Service
7-1
8