brake rotor SATURN ASTRA 2009 Owners Manual

12. Tighten the wheel bolts rmly
in a crisscross sequence,
as shown.
{CAUTION
Wheel nuts that are improperly or
incorrectly tightened can cause
the wheels to become loose or
come off. The wheel nuts should
be tightened with a torque wrench
(Continued)
CAUTION (Continued)
to the proper torque specication
after replacing. Follow the torque
specication supplied by the
aftermarket manufacturer when
using accessory locking wheel
nuts. SeeCapacities and
Specifications on page 10-2for
original equipment wheel nut
torque specications.
Notice:Improperly tightened
wheel nuts can lead to brake
pulsation and rotor damage.
To avoid expensive brake repairs,
evenly tighten the wheel nuts
in the proper sequence and to
the proper torque specication.
SeeCapacities and Specifications
on page 10-2for the wheel nut
torque specication.
Storing a Flat or Spare
Tire and Tools
{CAUTION
Storing a jack, a tire, or other
equipment in the passenger
compartment of the vehicle could
cause injury. In a sudden stop or
collision, loose equipment could
strike someone. Store all these in
the proper place.
9-66 Vehicle Service and Care
ProCarManuals.com

Maintenance Footnotes
(a)A fluid loss in any vehicle system
could indicate a problem. Have the
system inspected and repaired
and the fluid level checked. Add fluid
if needed.
(b)If driving regularly under dusty
conditions or in high-polluted
regions, replace the filter at each
engine oil change.
(c)Inspect brake lines and hoses for
proper hook-up, binding, leaks,
cracks, chafing, etc. Inspect disc
brake pads for wear and rotors for
surface condition. Inspect other
brake parts, including calipers,
parking brake, etc.
(d)Inspect front and rear suspension
and steering system for damaged,
loose, or missing parts or signs of
wear. Inspect power steering cables
for proper hook-up, binding, cracks,
chafing, etc. Inspect power steering
hydraulic lines and hoses for proper
hook-up, binding, leaks, cracks,
chafing, etc.(e)Inspect hoses and have them
replaced if they are cracked,
swollen, or deteriorated. Inspect all
pipes, fittings and clamps; replace
with genuine parts as needed.
To help ensure proper operation,
a pressure test of the cooling system
and pressure cap and cleaning
the outside of the radiator and
air conditioning condenser is
recommended at least once a year.
(f)Inspect wiper blades for wear,
cracking, or contamination.
Clean the windshield and wiper
blades, if contaminated. Replace
wiper blades that are worn or
damaged. See Windshield Wiper
Blade Replacement on page 9-21
and “Windshield and Wiper Blades”
in Exterior Cleaning on page 9-76.
(g)Make sure the safety belt
reminder light and safety belt
assemblies are working properly.
Look for any other loose or
damaged safety belt system parts.
If you see anything that might keep
a safety belt system from doingits job, have it repaired. Have any
torn or frayed safety belts replaced.
Also see Airbag System Check
on page 1-37.
(h)Lubricate all key lock cylinders,
door hinges and latches, hood
hinges and latches, and trunk lid
hinges and latches. More frequent
lubrication may be required
when exposed to a corrosive
environment. Applying silicone
grease on weatherstrips with a clean
cloth will make them last longer,
seal better, and not stick or squeak.
(i)Change automatic transmission
fluid if the vehicle is mainly driven
under one or more of these
conditions:
In heavy city traffic where the
outside temperature regularly
reaches 90°F (32°C) or higher.
In hilly or mountainous terrain.
When doing frequent trailer
towing.
Uses such as found in taxi, police,
or delivery service.
11-8 Service and Maintenance
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