1993 BUICK REGAL radiator cap

If you get the overheat warning with no sign of steam,
try this for
a minute or so:
1.
2.
3.
Turn off your air conditioner.
Turn on
your heater to full hot
speed and open the window as
Try to keep your engine under
where the engine runs slower). at
the highest fan
necessary.
load (in a drive gear
If you no longer have the overheat warning,
you can
drive. Just to be safe, drive slower
for about ten minutes.
If the warning doesn‘t corne back on, you can drive
normally.
If the warning continues, pull over, stop, and park
your
vehicle right away.
If there’s still
no sign of steam, you can idle the engine
for two
or three minutes while you’re parked, to see if
the warning stops. But then, if you still have the
warning,
TURN OFF THE ENGINE AND GET
EVERYONE
OUT OF THE VEHICLE until it cools
down.
You may decide not to lift the hood but to get service
help right
away.
m .... ... ..
h 1
When you decide it’s safe to lift the hood, here’s what
you’ll
see:
0 Coolant recovery tank
0 Radiator pressure cap
0 Electric engine fan
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Youlean be burned if you spill coolant on hot
engine parts. Coolant contains ethylene glycol
-d it wiil burn if the engine parts are hot
ough. Don't spill
coolant -on a hot engine.
,- '
.Steam and scalding liquids- from a hot 'bootin!,
system can btow o.ut and burn you badly. They
are under pressure,..and.
if you turn the. radiatr-
pre,ssure cap
- even a little - they can come brl
cooling system, including the, radiator pressye
When the coolant in the coolant recovery tank is at or cap, is hot. Wait for the cooling system'and
above "COLD," start your vehicle. radiator pressure cap to cool if:you-ever have to
If the overheat warning continues, there's one more -turn the pressure cap.
thing you can try. You can add the proper coolant mix 3
directly to the radiator, but be sure the cooling system is
cool before you do it.
- at high speed. Never turn,the cap'when the+;:.::
-, .I
I
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x 8
ir
..-,
How to Add Coolant to the Radiator
7 1. You can remove the
radiator pressure
cap when
the
cooling system,
including the
radiator pressure
cap and upper
radiator hose, is
no
longer hot.
Turn the pressure cap slowly to the left until it first
stops. (Don't press down while turning the pressure
If you heal- a hiss, wait for that to stop. A hiss means
there
is still some pressure left.
cap.)
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3. Fill the radiator
with the proper
mix,
up to the base
of the filler neck.
If you see a stream of coolant coming from an air
bleed
valve, close the valve. Otherwise, close the
valve(s) after the radiator is filled.
4. Rinse or wipe any spilled coolant nom the engine
and compartment.
5. Then fill the coolant recovery tank to "COLD."
6. Put the cap back on the coolant recovery tank, but
leave the radiator pressure
cap off.
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I.
1
7. Start the engine and let it run until you can feel the
upper radiator hose getting hot. Watch out for the
engine fan(s).
8. By this time the coolant level inside the radiator
filler neck may be lower.
If the level is lower, add
more of the proper mix through the filler neck until
the level reaches the base
of the filler neck.
w 9. Then replace the
pressure cap. Be sure the arrows on
the pressure cap .. .L. ' .
line up like this.
200
.-
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If this light comes on, it means you're low on engine
coolant. this light comes
on, it means you're low on
engine coolant (diesel engine only).
To Add Coolant: If you need more coolant, add the
proper mix at the coolant recovery tank.
A CAUTION:
Turning me raalaror pressure cap when the
--1gine and radiator are hot can allow steam ana
scalding liquids to blow out and burn you badly.
With the coolant recovery tank, you will almos'
never have to add coolant at the radiator. Never
turn the radiator pressure cap
-- even a little --
wt- -- +ha engine and radiator are hot.
Add coolant mix at the recovery tank, but be careful not
to spill it.
IU can be burned if you spill coolant on hot
gine parts. Coolant contains ethylene glycol,
and
it will burn if the engine parts are t
enough. Don't spill coolant on a hot engine.
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Radiator Pressure Cap rower Steerlng Fluid
1; NOTICE: 1
.:: Your radiator cap is a 15 psi (1 05 kPa)
:: pressure-type cap and must be tightly installed
,*to prevent coolant loss and possible engine
q:. damage from overheating. Be sure the arrows on
,. the cap line up with the overflow tube on the
8: radiator filfer neck.
When you replace your radiator pressure cap, an AC@
cap is recommended.
Thermostat
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.
When you replace your thermostat, an
AC@ thermostat
is recommended.
L
How To Check Power Steering Fluid:
Unscrew the cap and wipe the dipstick with a clean rag.
Replace the cap and completely tighten
it. Then remove
the cap again and look at the fluid level on the dipstick.
0 When the engine compartment is hot, the level
should be at the
“HOT” mark.
0 When the engine compartment is cool, the level
should be at the
“FULL COLD” mark.
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Capacities and Specifications
Engine Code L1 (L27)2 3.8L V-6 SF1
Belt Tensions - Fuel Tank Capacity -
Automatically controlled by an idler pulley.
16.5 gallons/62.7 liters
Tension adjustment should never be necessary.
Transaxle -
Automatic Overdrive - Drain & Refill -
6 quarts/5.7 liters
Maintenance Item Part Numbers3 -
Air Filter - A925C
Fuel Filter
- GF579
Oil Filter
- PF47
PCV Valve
- CV892C
Radiator Cap
- RC27
Spark Plug
- 41-600, GAP 0.060”
Cooling System Capacity -
11.1 quarts/l0.5 liters
Crankcase Capacity -
Oil change with filter change -
4 quarts/3.8 liters
Air Conditioning Capacity4 -
(R12) - 2.25 lbs. (1.02 kilograms)
-
4 Air Conditioning Refrigerant - Not all air conditioning refrigerants are the same. If the air conditioning system in your
vehicle needs refrigerant, be sure the proper refrigerant
is used. If you’re not sure ask your Buick dealer.
~ ~~
I 8th Character of the Vehicle Identification Number.
2 Made in a GM plant in the United States.
3 Part numbers are AC tvDe.
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