2004 PORSCHE CAYENNE maintenance

256
Maintenance and Car Care Checking the coolant level when a warning
messages is shown on the multi-purpose
display of the instrument panel
Warning!
Danger of serious personal injury or death
from scalding. Coolant is hazardous to your
health, and may be fatal if swallowed.
fDo not open the cap of the expansion tank
while the engine is hot.
fAllow the engine to cool down before opening
the cap and protect your hands, arms and face
from any possible escape of hot coolant.
fKeep coolant out of children's reach.
fAlso, keep coolant away from your pets. They
can be attracted to it should there be a spill, or
to used coolant left in an open container. Coolant can be deadly to pets if consumed.1. Remove cover.
2. If the engine is hot, cover the the expansion
tank cap with a cloth.
Open cap carefully and allow any overpressure
to escape.
Then unscrew cap completely.
3. Read the coolant level.
Top up with coolant if necessary.
Only add a mixture of anti-freeze and water in
equal parts.
Antifreeze in coolant:
50% provides anti-freeze protection down to
-31 °F (-35 °C).
Do not exceed the max-mark.
Note on operation
fIf the coolant level exceeds the max-mark
when the engine is hot, check the coolant level
again when the engine is cold.
4. Screw the cap closed firmly and put on the
cover.
5. Have the cooling system checked by an
authorized Porsche dealer.
Maintenance Notes
If in an emergency pure water has been added, the
mixture ratio must be corrected at an authorized
Porsche dealer.
fMarked loss of coolant indicates leakage in the
cooling system.
The cause should be remedied at an
authorized Porsche dealer immediately.
Radiator fansThe radiator and radiator fans are in the front of
the car.
Warning!
Danger of injury. The fans can start running
as a function of temperature, even with the
engine switched off.
fExercise extreme caution when working in the area of the radiator fans.
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Maintenance and Car Care
257
Brake-Fluid LevelfUse only new (unused) Original Porsche brake
fluid.
Further important information concerning “mainte-
nance” can be found in a separate chapter.
fPlease see the chapter “EXERCISE EXTREME
CAUTION WHEN WORKING ON YOUR VEHICLE”
on Page 250.
Warning!
Brake fluid is hazardous to your health, and
may be fatal if swallowed.
Brake fluid also attacks paintwork.
fKeep brake fluid out of children's reach.
fImmediately rinse off spilled brake fluid with
clean water.
fIf brake fluid gets into your eye, immediately
rinse with clean water for a few minutes. Then
see a doctor immediately.
fPlease note all the information on the refill container of the brake fluid.
Checking the brake-fluid levelThe reservoir for the hydraulic braking system is
located in the engine compartment.
1. Rotate the turn-locks 90° anti-clockwise
(arrow) with a screwdriver and remove the
cover.
2. Check brake-fluid level at the transparent
reservoir.
The fluid level should always lie between the
MIN and MAX marks.A slight decrease in the fluid level due to wear and
automatic readjustment of the disc brakes is
normal.
If, however, the fluid level falls markedly or below
the MIN mark, the braking system may have
developed a leak.
fPlease have the braking system checked
immediately at an authorized Porsche dealer.
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258
Maintenance and Car Care
Changing the brake fluidBrake fluid absorbs moisture from the air over
time. This accumulation of water lowers the boi-
ling point and, under certain operating conditions,
can affect the braking performance.
fTherefore, have the brake fluid changed in
accordance with the change intervals stated in
the “Maintenance” booklet.
The warning light in the instrument panel and the
warning message on the multi-purpose display of
the instrument panel indicate
– indicate the brake level fluid is too low or,
– in conjunction with large pedal travel could
indicate a braking-circuit failure.
Note on operation
If the warning lights should light up while driving:
fStop immediately in a suitable place.
fDo not continue driving.
Please have the fault remedied at your nearest
authorized Porsche dealer.
Washer FluidWarning message on the multi-purpose
displayA message is shown on the multi-purpose display
of the instrument panel if the washer-fluid level is
too low.
In this case, the residual quantity is only around
0.85 quarts (0.8 liter).
fAdd washer fluid at the next opportunity.
The capacity is approx. 7.9 quarts (7.5 liters).
The washer-fluid reservoir for windshield, rear
window and headlights is located in the engine
compartment.fSummer filling with water + window cleaner
concentrate in the mixture ratio specified on
the container.
Winter filling with water + antifreeze +
window cleaner concentrate in the mixture
ratio specified on the container.
Always follow all the instructions on the
containers of the additives used.
fOnly use window cleaner concentrate which
meets the following requirements:
– Dilutability 1:100,
– phosphate-free,
– suitable for plastic headlights.
We recommend window cleaner concentrates
approved by Porsche. Your authorized Porsche
dealer will be pleased to advise you.
fDo not use engine coolant anti-freeze or any
other solution that can damage the car’s paint,
in the washer reservoir.
The washer fluid reservoir for windshield, rear
window and headlights is located in the engine
compartment.
1. Open cap of washer fluid reservoir.
2. Add washer fluid.
3. Close cap carefully.
Brake fluid warning light
USA
Brake fluid warning light
Canada
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Maintenance and Car Care
259
Power Steering
Warning!
Risk of accident resulting in serious personal
injury or death. When the engine is stationary
(e.g. when on tow) or the hydraulic system
fails, there is no assistance for steering.
Therefore, substantially more force will have
to be exerted.
fExercise great care when on tow.
fHave the fault remedied at your nearest authorized Porsche dealer.
The flow noise heard at full steering lock is design-
related and does not indicate a defect in the
steering system.
Further important information concerning “mainte-
nance” can be found in a separate chapter.
fPlease see the chapter “EXERCISE EXTREME
CAUTION WHEN WORKING ON YOUR VEHICLE”
on Page 250.
Checking hydraulic fluidfUse only hydraulic fluid authorized by
Porsche.
fCheck the fluid level with the engine stopped
and cold (engine temperature approx. 68 °F or
20 °C).
1. Remove cover A.2. Open the reservoir cap.
3. The fluid level should lie between the MIN and
MAX marks on the dipstick.
Add hydraulic fluid if necessary.
4. Close cap carefully.
5. Put on cover A.
6. Close engine compartment lid.
Note on operation
fIf the fluid level drops significantly, please have
the cause remedied immediately by an
authorized Porsche dealer.
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260
Maintenance and Car Care
Changing Air CleanerRegular replacement of the filter element is part of
servicing.
fIn dusty conditions, clean the filter element
more frequently and replace if necessary.
Further important information concerning “mainte-
nance” can be found in a separate chapter.
fPlease see the chapter “EXERCISE EXTREME
CAUTION WHEN WORKING ON YOUR VEHICLE”
on Page 250.Changing Particle FilterThe fresh air passing through the particle filter into
the passenger compartment is virtually free of
dust and pollen.
fIf the outside air is polluted by exhaust fumes,
press the recirculating-air button.
A dirty filter can be the cause of reduced air
throughput.
fHave filter replaced by your authorized
Porsche dealer.
fRegular replacement of the filter is part of
servicing.
Automatic Transmission Fluid The torque converter and the transmission are
lubricated with Automatic Transmission Fluid
(ATF).
fPlease see the chapter “CAPACITIES” on
Page 359.
Do not tow the car or run the engine without ATF
in the transmission. The automatic transmission
may be damaged by even a tiny speck of dirt, only
a clean funnel or spout must be used when adding
AT F.
The ATF and transmission oil has to be checked
and changed at the intervals listed in your Mainte-
nance Schedule.
We recommend that you have the ATF and trans-
mission oil changed at your Porsche dealer, who
has the required lubricants and the necessary fil-
ling equipment.
If you suspect an oil leak in the transmission, have
your authorized Porsche dealer check it out imme-
diately.
Manual Transmission OilThe transmission oil has to be checked and chan-
ged at the intervals listed in your Maintenance
Schedule.
fPlease see the chapter “CAPACITIES” on
Page 359.
We recommend that you have the transmission oil
changed at your Porsche dealer, who has the
required lubricants and the necessary filling equip-
ment.
If you suspect an oil leak in the transmission, have
your authorized Porsche dealer check it out imme-
diately.
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Maintenance and Car Care
261
Wiper BladesMaintenance Notes
Wiper blades that are in perfect condition are vital
for a clear view.
fReplace the wiper blades twice per year
(before and after the cold season) or if wiper
performance deteriorates or the blades are
damaged.
fFor important information on “service topics”:
Please see the chapter “CAR CARE
INSTRUCTIONS” on Page 270.
Caution!
Risk of damage if wiper arm accidentally
falls back onto the windshield.
fAlways hold the wiper arm securely when
replacing the wiper blade.
Risk of damage if wiper blades that are
frozen in place are loosened improperly.
fThaw the wiper blades before loosening them.
Risk of damage.
If the wiper blades are not changed properly,
they can come loose when the car is moving.
fCheck whether the wiper blades are seated
securely.
The wiper blade must be pushed onto the wiper arm up to the stop. fPeriodically clean the wiper blades with
window cleaner, especially after the vehicle
has been washed in a car wash.
We recommend the Porsche window cleaner. If
they are very dirty (e.g. with insect remains),
they can be cleaned with a sponge or cloth.
If the wiper blades rub or squeak, this may be as
a result of the following:
– If the vehicle is washed in an automatic car
wash, wax residues may adhere to the wind-
shield. These wax residues can be removed
only by using window cleaner concentrate.
fPlease see the chapter “WASHER FLUID” on
Page 258.
Please contact your authorized Porsche dealer for
further information.
– The wiper blades may be damaged or worn.
fReplace damaged or worn wiper blades as
soon as possible.
Replacing wiper blades at frontfApply the parking brake.
fSwitch the windshield wipers off (wiper stalk in
position 0).
fSwitch ignition off.
1. Fold windshield wiper arm away from the
windshield (arrow 1).
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262
Maintenance and Car Care 2. Turn wiper blade at right angle to the wiper arm
(arrow 2) so that the fixing groove of the wiper
blade is released by the retaining clip A.
3. Pull off wiper blade towards the windshield
(arrow 3).
4. Push on new wiper blade.
Make sure that the wiper blade is pushed onto
the wiper arm up to the stop.5. Fold wiper blade back to its original position.
Make sure that the retaining clip A engages
fully in the fixing groove of the wiper blade.
6. Carefully fold wiper arm back on to the wind-
shield (arrow).
Changing rear window wiper blade
Caution!
Risk of damage if the rear wiper is frozen in
place and is loosened improperly.
fThaw the wiper blade before loosening them.
fGrasp the wiper arm with both hands and separate it from the window.
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Maintenance and Car Care
263
1. Apply the parking brake.
2. Switch ignition off.
3. Carefully fold the wiper arm away from the rear
window until it reaches its locking position
(approx. 60°).
4. Carefully unclip the wiper blade from the wiper
arm (arrow). Hold the wiper arm with your
other hand when doing this.
5. Push the new wiper blade onto the wiper arm
and snap it into place.
6. Carefully fold wiper arm back on to the rear
window.
Emission Control SystemIn the interest of clean airPollution of our environment has become a
problem that is of increasing concern to all of us.
We urge you to join us in our efforts for cleaner air
in controlling the pollutants emitted from the auto-
mobile.
Porsche has developed an emission control
system that controls or reduces those parts of the
emission that can be harmful to our environment.
Your Porsche is equipped with such a system.
Porsche warrants the Emission Control System in
your new car under the terms and conditions set
forth in the Warranty Booklet.
You, as the owner of the vehicle, have the respon-
sibility to provide regular maintenance service for
the vehicle and to keep a record of all mainte-
nance work performed. To facilitate record
keeping, have the service performed by
authorized Porsche dealers. They have Porsche
trained technicians and special tools to provide
fast and efficient service.To assure efficient operation of the Emission
Control System:
fHave your vehicle maintained properly and in
accordance with the recommendations
described in your Maintenance Booklet. Lack
of proper maintenance, as well as improper
use of the vehicle, will impair the function of
the emission control system and could lead to
damage.
fDo not alter or remove any component of the
emission control system.
fDo not alter or remove any device, such as
heat shields, switches, ignition wires, valves,
etc., which are designed to protect your
vehicle's emission control system. In addition
to serious engine damage, this can result in a
fire if excess raw fuel reaches the exhaust
system.
fDo not continue to operate your vehicle if you
detect engine misfire or other unusual opera-
ting conditions.
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