cooling SATURN SKY 2007 User Guide

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A. Coolant Surge Tank and Pressure Cap
B. Electric Engine Cooling Fan (Out of View)
{CAUTION:
An electric engine cooling fan under the
hood can start up even when the engine
is not running and can injure you. Keep
hands, clothing, and tools away from any
underhood electric fan.
If the coolant inside the coolant surge tank is
boiling, do not do anything else until it cools down.
The vehicle should be parked on a level surface.
2.0L L4 Engine
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The coolant level should be at the COLD FILL line.
If it is not, you may have a leak at the pressure cap
or in the radiator hoses, heater hoses, radiator,
water pump, or somewhere in the cooling system.
{CAUTION:
Heater and radiator hoses, and other
engine parts, can be very hot. Do not
touch them. If you do, you can be burned.
Do not run the engine if there is a leak.
If you run the engine, it could lose all
coolant. That could cause an engine re,
and you could be burned. Get any leak
xed before you drive the vehicle.
If there seems to be no leak, with the engine on,
check to see if the electric engine cooling fan
are running. If the engine is overheating, the fan
should be running. If they are not, your vehicle
needs service.
Notice:Engine damage from running your
engine without coolant is not covered by your
warranty.Notice:Using coolant other than DEX-COOL
®
may cause premature engine, heater core,
or radiator corrosion. In addition, the engine
coolant could require changing sooner,
at 30,000 miles (50 000 km) or 24 months,
whichever occurs rst. Any repairs would
not be covered by your warranty. Always use
DEX-COOL
®(silicate-free) coolant in your
vehicle.
How to Add Coolant to the Coolant
Surge Tank
Notice:Your engine has a specic cooling
system drain and ll procedure. Failure
to follow this procedure could cause your
engine to overheat and be severely damaged.
If your engine’s cooling system needs to
be drained and re-lled, please see your dealer.
If you have not found a problem yet, check to
see if coolant is visible in the coolant surge tank.
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If coolant is visible but the coolant level is not at
the COLD FILL line, add a 50/50 mixture of clean,
drinkable water and DEX-COOL
®coolant at the
coolant surge tank, but be sure the cooling system,
including the coolant surge tank pressure cap, is
cool before you do it. SeeEngine Coolant on
page 255for more information.
If no coolant is visible in the coolant surge tank,
add coolant as follows:
{CAUTION:
Steam and scalding liquids from a hot
cooling system can blow out and burn
you badly. They are under pressure, and if
you turn the coolant surge tank pressure
cap — even a little — they can come out at
high speed. Never turn the cap when the
cooling system, including the coolant
surge tank pressure cap, is hot. Wait for
the cooling system and coolant surge
tank pressure cap to cool if you ever have
to turn the pressure cap.
{CAUTION:
Adding only plain water to your cooling
system can be dangerous. Plain water, or
some other liquid such as alcohol, can
boil before the proper coolant mixture will.
Your vehicle’s coolant warning system is
set for the proper coolant mixture. With
plain water or the wrong mixture, your
engine could get too hot but you would
not get the overheat warning. Your engine
could catch re and you or others could
be burned. Use a 50/50 mixture of clean,
drinkable water and DEX-COOL
®coolant.
Notice:In cold weather, water can freeze and
crack the engine, radiator, heater core and
other parts. Use the recommended coolant and
the proper coolant mixture.
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{CAUTION:
You can be burned if you spill coolant
on hot engine parts. Coolant contains
ethylene glycol and it will burn if the
engine parts are hot enough. Do not spill
coolant on a hot engine.
1. Remove the coolant surge tank pressure cap
when the cooling system, including the
coolant surge tank pressure cap and upper
radiator hose, is no longer hot. Turn the
pressure cap slowly counterclockwise about
two or two and one-half turns. If you hear
a hiss, wait for that to stop. This will allow
any pressure still left to be vented out
the discharge hose.2. Then keep
turning the
pressure
cap slowly,
and remove it.
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3. Fill the coolant surge tank with the proper
mixture, to the COLD FILL line. Wait about
ve minutes, then check to see if the level
is below the COLD FILL line. If the level
is below the line, add additional coolant to
bring the level up to the line. Repeat this
procedure until the level remains constant at
the COLD FILL line for at least ve minutes.4. With the coolant surge tank pressure cap off,
start the engine and let it run until you can
feel the upper radiator hose getting hot.
Watch out for the engine cooling fan.
By this time, the coolant level inside the coolant
surge tank may be lower. If the level is lower
than the COLD FILL line, add more of the
proper mixture to the coolant surge tank until
the level reaches the COLD FILL line.
5. Then replace the pressure cap. Be sure the
pressure cap is hand-tight and fully seated.
See your retailer, if necessary.
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Page 301 of 384

Each new wheel should have the same
load-carrying capacity, diameter, width, offset and
be mounted the same way as the one it replaces.
{CAUTION:
Using the wrong replacement wheels,
wheel bolts, or wheel nuts on your vehicle
can be dangerous. It could affect the
braking and handling of your vehicle,
make your tires lose air and make you
lose control. You could have a collision
in which you or others could be injured.
Always use the correct wheel, wheel bolts,
and wheel nuts for replacement.
If you need to replace any of your wheels, wheel
bolts, or wheel nuts, replace them only with
new Saturn original equipment parts. This way,
you will be sure to have the right wheel, wheel
bolts, and wheel nuts for your vehicle.Notice:The wrong wheel can also cause
problems with bearing life, brake cooling,
speedometer or odometer calibration,
headlamp aim, bumper height, vehicle ground
clearance, and tire clearance to the body
and chassis.{CAUTION:
Rust or dirt on a wheel, or on the parts to
which it is fastened, can make wheel nuts
become loose after a time. The wheel
could come off and cause a crash. When
you change a wheel, remove any rust or
dirt from places where the wheel attaches
to the vehicle. In an emergency, you can
use a cloth or a paper towel to do this;
but be sure to use a scraper or wire brush
later, if you need to, to get all the rust or
dirt off.
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Page 328 of 384

Underhood Fuse Block
The underhood fuse block is located in the engine
compartment on the passenger’s side of the
vehicle.
Lift the cover for access to the fuse block.
To remove fuses, use the fuse puller, or hold the
end of the fuse between your thumb and index
nger and pull straight out.
SeeEngine Compartment Overview on page 242
for more information on location.
Fuses Usage
1 Empty (LE5); Cooling Fan (LNF)
2 Rear Window Defogger
3 Empty
4 Body Control Module 3
5 Crank
6 Body Control Module 2
7 Body Control Module
8 Cooling Fan 2 (LE5); Empty (LNF)
9 Empty
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Fuses Usage
10 Trunk
11 Trunk
12 Empty
13 Fuel Pump
14 Rear Defogger Relay
15 Air Conditioning Clutch Relay
16 Empty
17 Empty
18 Trunk Release Relay
19 Fuel Pump Relay
20 Empty
21 Mirrors
22 Air Conditioning
23 Empty
24Cooling Fan 2 Relay (LE5);
Empty (LNF)
25 Fuse Puller
26 Powertrain Relay
27 EmptyFuses Usage
28Back-up Lamps Relay
(Automatic Transmission);
Empty (Manual Transmission)
29 Data Link Connector
30 Outlet
31Back-up Lamps
(Automatic Transmission);
Empty (Manual Transmission)
32 Empty (LE5); Vacuum Pump (LNF)
33 Emissions
34 Crank Relay
35 Empty
36 Empty
37 Power Seat
38Empty (LE5); Vacuum Pump
Relay (LNF)
39 Empty
40 Cooling Fan 1 (LE5); Empty (LNF)
41Empty (LE5); Turbo, Cam
Phaser (LNF)
42 Engine Control Module
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Fuses Usage
43Engine Control Module,
Transmission
44 Anti-lock Brake System
45Injectors, Ignition Coils (LE5);
Ignition Coils (LNF)
46Back-up Lamps
(Manual Transmission);
Empty (Automatic Transmission)
47 Empty
48 Daytime Running Lamps Relay
49 Daytime Running Lamps
50Cooling Fan 1 Relay (LE5);
Empty (LNF)
51 Run/Crank Relay
52 Windshield Wiper Low/High Relay
53 Fog Lamps
54 Fog Lamps Relay
55 Horn Relay
56S Band, OnStar
®, Remote
Keyless Entry System
Fuses Usage
57 Anti-lock Brake System
58 Wiper Diode
59 Windshield Wiper
60 Horn
61 Anti-lock Brake System
62 Instrument Panel Ignition
63 Driver’s Side High Beam
64 Canister Vent
65 Driver’s Side Low-Beam Headlamp
66Passenger’s Side Low-Beam
Headlamp
67Passenger’s Side High-Beam
Headlamp
68 Parking Lamps Relay
69 Parking Lamps
70 Windshield Wiper On/Off Relay
71 Low-Beam Headlamp Relay
72 High-Beam Headlamp Relay
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Capacities and Specications
The following approximate capacities are given in English and metric conversions. Please refer to
Recommended Fluids and Lubricants on page 345for more information.
ApplicationCapacities
English Metric
Air Conditioning Refrigerant R134aFor the air conditioning system refrigerant
charge amount, see the refrigerant caution
label located under the hood.
See your retailer for more information.
Cooling System
2.0L L4 Engine Automatic 8.9 qt 8.4 L
2.0L L4 Engine Manual 9.0 qt 8.6 L
2.4L L4 Engine Automatic 8.5 qt 8.0 L
2.4L L4 Engine Manual 8.7 qt 8.2 L
Engine Oil with Filter
2.0L L4 and 2.4L L4 5.0 qt 4.7 L
Fuel Tank 13.6 gal 51.5 L
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