1998 CHEVROLET S10 cooling

After Off-Raad Driving
Remove any brush or debris that has colkcted on the
underbody,
chassis .ox under the hood. These
accumulations can be a fire hazard.
After operation in mud or sand, have the brake linings
c-learied and checked. These substances
c.an cause
glazing and uneven braking. C,heck the. body structure, steering, suspension,
wheels; tires and exhaust system
for damage. Also, check the fuel lines -and cooling
system
for any leakage+
Driving at Night
Your vehicle will require more frequent.serv;ice due to
off-road use. Refer to -the Maintenance Schedule for
additional information.
Nigbt driving is more
dmgerms than day.driving. One
reason
is that some- drivers are likely to be impaired -- by
alcohol or drugs, with night vision nroblems, or by fatigue.
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..
Later and radiator hoses, and otherengine
parts, can be-very hot. Don’t touch them,
If you
do, you can be burned.
Don’t
run the engine if there-is a leak. If you run
the engine, it could lose a11 coolant. That could
cause
rn engine fire, ad you could be burned.
Get -any leak fixed before
you drive.. the- vehicle.
I NOTICE:
Engine damage from running .your engine
without coolant isn’t covered by your warranty.
If there s.eems to be no leak, start the engine again.
See if the
engine cooling fa ,speed Increases when
idle speed is doubled by -pushing. the -aceelerator pedal
down.
If it doesn’t, your vehicle needs servic.e. Turn
off he engine.
Haw to Add Coolant to the Coolant
Recovery Tank
I€ you haven’t found a problem yet, but the coolant level
isn’t at the ADT, mark, -add a. 50/5T) mixture of clean
water (preferably distilled) and DEX-COOL@ engine
coolant at the coolant recovery tank. (See “Engine
Coolant” in the Index €or mare infomation.)
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NOTICE:
h ciild. weather,. Walter can freeze -and crack the
enghe, radiator, heater core ;and other parts,
Use
the r~co~mende.dcool~~t and the proper
coolant mixture.
You can b-e burned i.f you spill coolant on hot
engine parts. Coolant contains- eihylene.glyco1
and it will burn if the.-engine-parts are hot-
enough. Don’t:spill coolant on a hot .engine, 1 I I
When the caolant in-the coolaiit re-covery tanlc is ‘at
the ADD mark, starryour vehicle.
If -the overhe-at warning continues, there’s @ne more.
thing you can try. YOU -can -addthe propier. coolant
mixture directly to the Iadiatm-, but. be sure.~e
cooling .. system is cool before-y.m do it.
I
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6. Start the engine.and let it run until you can feel the
upper radiator hose gettirsg hot. Watch out for.the
engine cooling
fan.
8. Then replace the pressure cap, At any time during
this procedure if coolant begi;ins:to flow out:of :the
filler neck, reinstall the pressure cap. Be sure the
mows on the pressure cap line up like this. 7. By this time, the coolant level inside the radiator
filler
neck may be lower. E the level is lower, :add
more of.the proper DEX-COOL@ .coolant mixture
through the filler neckuntil the level reaches the
base of the .feller neck.
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When the differential is cola, aaa enough lubricant
raiise. the level to 1/2 inch
(1 2 .m) below the filler
plug hole.
When the differential is’ at operating. temperature.
(warn), add enough lubricmt to raise the level to the
b-ottom of the filler plug hole.
what to Use
Refer to the Maintenance Schedule. to determine what
kind
of lubricant to use. See “Recommended. Fluids and
Lubricant$’
in the Index.
Engine Coolw
The mob- -s stem in y,our-vehicle i.s filled with
DES-COUL engine coolant. This c:oolant.is devigned
to. remain in your vehicle for 5: years or 150,OO.Q miles
(240 000 km) whichever occurs, first, ifyou add,only
DEX-COOL’ extended lifecoolant.
The
following. expl.&s your cooling system and hcwto
add:cool&tt
whenit is low. If you have a problem with
engine overheating,
see “Engine. Overheating” .in
the Index.
-
(8
A 5-0/56mm~ure -or ner and DEX-COOL@
coolant will:
Give freezing protection down to- -34O.F (-37 O C>.
Give boiling protection up to 265°F (129°C).
Protect against rust and cormsim.
Help keep the proper engine temperature.
a Let the waning lights and gages, -work as
they ‘should.
I
NOTICE:
When addmg coolant, it-is important that you .me
on~y DEX-COOL@- (silicgtelfree) coolant.
.If c-oolant other than DEX-COOL isladded to the
system, premature engine, heater core .or
radiator corrosiron may result. In addition,. the-
engine coolant
will require-change sooner - at
30,000 miles (50 000 km) or 24 months,
whichever occurs first. Damage -caused
by the use
.of coolant other than UEX=COOL@ is not
covered by your new vehicle. warranty.
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NOTICE.:
The wrong wheel can also :cause problems with
bearing
life, brake cooling, speedometer or
odozm’etier calibration, headlamp ;aim, b-umper
height, vehicle ground .clearance and
tire or tire
chain clearance to the
body and cha.ssis.
Jsed Replwement Wheels
Putthg
a used. whml on your vehicle is,
dangerous. You can’t how how it% been used. or
hdar it’s be-m driven. It could fail suddenly
and cstust an accident. If you have to- replace a
wheel,
use a new GM. ortginal equipment wheel.
Tire Chains
NOTICE:.
If your vehicle has P235/75Rl5, P2W71JIiI5,
P23Y55R16 or 31.~101.50R15LT/C~size. tires; ‘don’t
use tire chains. They
ean damage your vehicle
because there’s not enough clearance.
Use another type of traction device only if its
manufacturer recommends it for use ‘011 your
vehicle and tire size combinat3on and road
conditions. Follow that manufticturer ’s
instructions. To heIp avoid damage to your
vehicle, drive slowly, readj-ust or remove the
device
if it’s contacting your vehicle, and don’t
spin your wheels.
NOTICE: (Contimued)
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.Maintenance Schedule
Every 7,500 Miles. (12 500 krn): Engine .Oil and Filter
Change (or every
€.2 months, whichever occurs. first).
Chas& Lubrication
(or every .12 -months,, whichever
cs first). Drive Axle Service. 'IC- atation.
Every 15,000 Miles (25 OQO km): Automatic
Every 30,000 Mriles (50 000. km): Fuel Filter
.Transmission Service,
(severe conditions .only).
Replacement. Au Cleaner Filter Replacement. Front
Wheel
Bearing Rep-ack (2WD only) (or at each brake
felining, whichever
occurs first).
Every 50,000 Miles (83 000 km): Automatic
TransrnissiQn Service (noma1 conditiobs)
.
Every 60,000 Miles (PO0 000 km): Engine
Acces.sory .Drive Belt Inspection. Fuel
Tank, Cs
and Lines Inspection.
Every. 100,000. Miles (166 000 km): Spark Plug Wire
Inspection.
Spark Plug Replacement. 4.3L Engine.
Only: Positive Crankcase Ventilation (PCV) vdve
Inspection.
Every 150,000 Miles (240 000 km): Cooling System
S.ervice (or every
60 months, whichever oceurs first).
.These intervals only summmize vllainfename servitm.
Be sure tu follow the .completg maintenance schedule on
the following pages.
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