1993 Chevrolet Astro Owner's Manual - Page 219
1993 Chevrolet Astro Manual
Page 219 highlights
4. Then fill thecoolantrecoverytankto FULL. t PO658 5. Putthecapbackonthecoolantrecoverytank,butleavetheradiator pressurecap off. 6. Starttheengineandlet it rununtilyoucanfeeltheupperradiatorhose gettinghot. Watch outfortheenginefan. 7. By thistime, the coolantlevelinsidetheradiatorfillerneck maybe lower.Ifthelevel is lower, add moreof thepropermixthroughthefiller neckuntilthelevelreachesthebase of thefillerneck. I PO407 8. Thenreplacethepressurecap.Besurethearrowsonthepressurecap line up likethis. 5-1 5
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4.
Then
fill
the coolant recovery
tank
to
FULL.
t
PO658
5.
Put
the cap back on
the coolant recovery
tank, but
leave
the radiator
6.
Start
the engine and
let
it
run until you can
feel
the upper radiator hose
7.
By this
time, the coolantlevelinsidetheradiatorfillerneck
may be
pressure cap
off.
gettinghot.
Watch
out
for
the engine
fan.
lower.
If
the
level
is
lower,
add
more of
the proper mix
through
the
filler
neck until
the
level reaches
the base
of thefillerneck.
I
PO407
8.
Then replace
the pressure cap. Be sure
the arrows on
the pressure cap
line up like
this.
5-1
5