11 -4 5
Maintenance and service
– CONTINUED –
11
18 February 2004
!If you feel unusual vibration while driving or find
it difficult to steer the vehicle in a straight line, one
of the tires and/or wheels may be damaged. Drive
slowly to the nearest authorized Saab dealer and
have the vehicle inspected."Tire pressures and wearMaintaining the correct tire pressures helps to maxi-
mize the tires’ service lives and is essential for good
running performance. Check and, if necessary, adjust
the pressure of each tire (including the spare) at least
once a month (for example, during a fuel stop) and be-
fore any long journey.Check the tire pressures when the tires are cold. Use
a pressure gauge to adjust the tire pressures to the
values shown on the tire label. The tire label is located
on the door pillar on the driver’s side.
Driving even a short distance warms up the tires and
increases the tire pressures. Also, the tire pressures
are affected by the outside temperature. It is best to
check tire pressure outdoors before driving the vehi-
cle.
When a tire becomes warm, the air inside it expands,
causing the tire pressure to increase. Be careful not to
mistakenly release air from a warm tire to reduce its
pressure.
NOTE!The air pressure in a tire increases by approxi-
mately 4.3 psi (30 kPa, 0.3 kgf/cm
2) when the tire
becomes warm.
!The tires are considered cold when the vehicle
has been parked for at least three hours or has
been driven less than one mile (1.6 km).
Do not let air out of warm tires to adjust pres-sure. Doing so will result in low tire pressure.
UGB510BA
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Fuel octane ratingThis octane rating is the average of the Research Octane and Motor
Octane numbers and is commonly referred to as the Anti Knock
Index (AKI). Refer to “Fuel” section in this manual.Fuel capacity15.9 US gal (60 liters, 13.2 Imp gal)Engine oilUse only API classification SL with the words “ENERGY CON-
SERVING” and the New API certification mark (starburst mark) dis-
played on the container.Engine oil capacity4.2 US qt (4.0 liters, 3.5 Imp qt)
Gas station referenceFuel• 2.5-liter non-turbo models (Linear)
Use only unleaded gasoline with an octane rating of 87 AKI or
higher.
2.0-liter turbo models (Aero)
Use premium unleaded gasoline with an octane rating of 91 AKI or
higher. If premium unleaded gasoline is not available, regular
unleaded gasoline with octane rating of 87 AKI or higher may be
temporarily used. For optimum engine performance and driveabil-
ity, it is required that you use premium grade unleaded gasoline.Cold tire pressureNOTE:
Adjust the tire pressure to 36 psi (250 kPa, 2.5 kgf/cm
2) when driving the vehicle with five people and cargo inside and at speeds
exceeding 99.4 mph (160 km/h).Tire size P205/55R16 89V 215/45R17 91W
Wheel size 16 x 61/2 JJ 17 x 7 JJ
Pressure Front
32 psi (220 kPa, 2.2 kgf/cm
2) 33 psi (230 kPa, 2.3 kgf/cm
2)
Rear
29 psi (200 kPa, 2.0 kgf/cm
2) 32 psi (220 kPa, 2.2 kgf/cm
2)
Temporary spare tire Size T135/70 D16
Pressure
60 psi (420 kPa, 4.2 kgf/cm
2)
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