radiator cap CHEVROLET S10 1998 Owners Manual

The coolant level should be at least up. to .the ADD .ma&.
A. C.oalant /Recovery Tank
B. .Radiator Pres,sure Cap
C, .EQgine:-Fm
If .$he coolant imide. the coolant te.coxe’ty tmk IS: boiling,
don’t do anythhg eke until it cads .down.
If it -isn’t, you may. have a leakin the radiator hoses,
heater hoses, radiator, water pump or sornewhere-else in
the coding system,
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How to Add Coolant to the Radiator
1. You can remove the radiator pressure. cap when
the
caoling system,. including the rachator pressure
cap
and upper radiator haw; is no longer hot. Turn
the
pressuice cap slowly counterclockwise until it
first stops. (Don't press down while turning the
pgessure cap.)
If you hem a hiss, wait for that .to stop. A .hiss means
there
is still s-ome pressme left.
2. Then keep turning.the.pressure cap,.but now push
down as
you turn it. Remove the pressure cap.
5-18
i
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3. Fill the radiator with the propet.DEX-COOL@
coolant mixture, up to the base of the filler neck.
(See “Engine Coolant” .in the Index for more.
-information about -the proper coolant mixture.)
4. Then fill the coolant recovery tank to the ADD mark.
$. Put the c-ap..back on the coolant recovery tank, but
leave- the radiator presswe cap off. ..
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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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Radiator Pressure Cap Thermostat
-NOTICE:
Your radiator cap is a 15 psi (105 kPa)
pressuredype cap and must be tightly installed ta
prevent coolant
loss and possible engine damage
frum overheating. Be sure the arrows
on the cap
line up
with the averflow tube on the radiator
filler neck.
Engine coolant temperature is controlled by a thermostat
in the engine coolant system. The thermostat stops the
flow of coolant through the radiator until the coolant
reaches
a preset temperature.
Power Steering Fluid
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