2014 PORSCHE 911 TURBO brake

236 Maintenance and Car Care
If cleaning agents (e.g. wheel cleaning agents) come into contact with the brake disks, the resulting film on the brake disks can impair braking performance.fMake sure that no cleaning agent comes into contact with the brake disks.fIf cleaning agent has come into contact with the brake disks, clean the brake disks thoroughly with a strong jet of water.fPaying attention to any road users behind you, dry the brake disks by applying the brakes.
Stainless steel tailpipes
Stainless steel tailpipes can discolor due to soiling, strong heat and combustion residues.
The original shine can be achieved again using commercially available metal luster paste or metal polish.
Cleaning door, roof, lid and window seals
The lubricant coating on the inner door seals may be damaged by unsuitable cleaning and care agents.fDo not use any chemical cleaning agents or solvents.fDo not use any preservative agents.
fWash dirt (e.g. abrasion, dust, road salts) from all seals regularly using warm soapy water.fIf there is a risk of frost, protect the outer door seals and the lid and flap seals against freezing into place with a suitable care product.
Leather care
The natural surface markings of leather, e.g. creases, healed scars, insect sting marks, structural differences and slight variations in shade and grain add to the attractiveness of the high-quality natural leather product.
Observe the following care instructions:
The leather will be damaged by the use of unsuitable cleaning and care agents and by inappropriate treatment.fDo not use caustic cleaners or hard cleaning objects!fMake sure that perforated leather does not get wet on its reverse side.fRemove water drops from the leather without delay.
fClean all types of leather regularly to remove fine dust using a soft, damp, white woolen cloth or a commercially available microfiber cloth.fRemove heavy contamination (not water or moisture stains) with a leather cleaner.Always read the instructions for use given on the containers.We recommend Porsche leather care liquid.fTreat cleaned leather only with a leather care product.We recommend Porsche leather care liquid.
Seats with seat ventilation
Care instructions for water or moisture stains.
Rain water or moisture can stain the perforated leather.
Removing water and moisture stains
Preconditions: – Seat heating and seat ventilation must be switched off.– No direct sunlight.– Do not use leather cleaners or care products to remove water and moisture stains.fBlot the entire seat or backrest surface using a clean, absorbent sponge and distilled water.Make sure that the perforated leather does not get wet on its reverse side.fAllow the seat covering to dry completely at room temperature out of direct sunlight.Do not dry the seat covering by switching on the seat heating and seat ventilation.fOnce dry, wipe the seat covering with a dry, lint-free cloth.
Cleaning carpet, floor mats
fUse a vacuum cleaner or a brush (not too soft) for cleaning.fHeavy dirt and stains can be removed with a stain remover.We recommend Porsche stain remover.
To protect carpets, the Porsche range of accessories includes mats of the correct size and with the appropriate fastening.
Cleaning Agents on Brake Disks
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NOTICE
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Minor Repairs 239
Minor Repairs
Exercise Extreme Caution when Working on your vehicle .............................. 240Checking the Coolant Level and Adding Coolant .......................................... 242Brake Fluid ................................................ 243Electromechanical Power Steering............... 244Changing Air Cleaner .................................. 244Changing Particle Filters ............................. 244Tires and Wheels ........................................ 244Changing Wheels........................................ 254Wheel Attachment Faces ............................. 257Wheel Bolts................................................ 257Wheels with Central Lock ............................ 258Central Bolts .............................................. 258Changing a Wheel....................................... 258Rim Cleaner ............................................... 263Central Bolt Emergency Fastening ............... 263Flat Tire ..................................................... 265Electrical System ....................................... 267Battery (12 volt) ......................................... 271External Power Supply, Emergency starting with jumper cables ......................... 273Changing Car Key (Remote Control) Battery . 275Replacing bulbs.......................................... 276Headlights ................................................. 276Headlight Adjustment .................................. 277Towing ...................................................... 278Fire extinguisher......................................... 282
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240 Minor Repairs
Exercise Extreme Caution when
Working on your vehicle
The engine compartment of any motor vehicle is a potentially hazardous area. If you are not fully familiar with proper repair procedures, do not attempt the adjustments described on the following pages.This caution applies to the entire vehicle.
Many vehicle fluids are highly flammable, e. g. fuel, engine and transmission oil. Fuel vapors can cause an explosion. When a battery is being charged, highly explosive gases can develop.fDo not smoke or allow an open flame around the battery or fuel.Pay attention to sparks, e. g. when coming into contact with cables.Keep a fire extinguisher close at hand.fEnsure that there are no open flames in the area of your vehicle at any time when fuel fumes might be present. Be especially cautious of devices such as hot water heaters which ignite a flame intermittently.fOnly work on your vehicle outdoors or in a well ventilated area.
Refill fluids, e. g. engine oil, brake fluid or coolant are hazardous to health (poisonous, irritant, caustic).fKeep these fluids out of children's reach and dispose of them in accordance with the appropriate regulations.fOnly work on your vehicle outdoors or in a well ventilated area.
Engine exhaust is dangerous if inhaled. Engine exhaust fumes have many components which you can smell. They also contain carbon monoxide (CO), which is a colorless and odorless gas.Carbon monoxide can cause unconsciousness and even death if inhaled.fOnly work on your vehicle outdoors or in a well ventilated area.
The engine and surroundings components, the exhaust system and coolant become very hot when the engine is running.
The coolant reservoir is pressurized. Careless opening of the coolant reservoir can lead to hot coolant suddenly spraying out.
fTake care when working near hot parts of the vehicle, in particular engine parts and parts of the exhaust system.fBefore working in the engine compartment, always switch the engine off and let it cool sufficiently.fAllow the engine to cool down before opening the cap of the coolant reservoir and protect your hands, arms and face from any possible escape of hot coolant.
Take great care to ensure that hands, fingers, articles of clothing (e. g. ties, sleeves, etc.), necklaces or long hair cannot be caught up by the radiator fans, drive belt or other moving parts.
The radiator fans in the front of the vehicle may be operating or unexpectedly start operating when the engine is switched on.fExercise extreme care that parts of the body, articles of clothing or jewelry do not get caught in the radiator fan, drive belt or other moving parts.fCarry out work in these areas only with the engine off and exercise extreme caution.
When the ignition is on, all cables and wires of the ignition system carry a high voltage.fExercise special care when working on the ignition system.
Fire and Explosion Hazards
DANGERh
Fluid Health Hazards
Exhaust Gas Inhalation
Hot Engine Parts, Exhaust System and Fluids
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Moving Engine Parts
Electric Shock from Ignition System
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Minor Repairs 241
If the vehicle is not secured, or incorrectly secured, during repair work, it could move unexpectedly or fall from the car jack or car lift.fBe alert and cautious around the engine at all times while it is running. If you have to work on the engine while it is running, always apply the electric parking brake and put the PDK selector lever in position P or N.fAlways support your car with safety stands if it is necessary to work under the car. The jack supplied with the car is not adequate for this purpose.Switch off level control of air suspension and height adjustment.Please see the chapter “RAISING THE VEHICLE WITH A LIFTING PLATFORM, TROLLEY JACK OR STANDARD JACK” on page 254.fJack up the vehicle only at the specified jacking points on the underside of the vehicle.fNever start the engine when the vehicle is jacked or lifted up. Vibration from the engine could cause the vehicle to fall.fWhen working under the car without safety stands but with the wheels on the ground, make sure the car is on level ground, the wheels are blocked, and that the engine cannot be started.Withdraw ignition keys (switch ignition off in vehicles that have Porsche Entry & Drive).
Information
fIncomplete or improper servicing may cause problems in the operation of the car. If in doubt about any servicing, have it done by your authorized Porsche dealer.Improper maintenance during the warranty period may affect your Porsche warranty coverage.fSome countries require additional tools and special spare parts to be carried in your vehicle. Please make enquiries before driving abroad.
T
The engine-compartment blowers are mounted under the engine compartment lid.After the engine is switched off, the engine compartment temperature is monitored for approx. 30 minutes.During this period, and depending on temperature, the engine-compartment blowers may continue to run or start to run.fCarry out work in this area only with the engine off and exercise extreme caution.
The radiators and radiator fans are in the front of the vehicle.The radiator fans in the front of the vehicle may be operating or unexpectedly start operating when the engine is switched on.fCarry out work in these areas only with the engine switched off.fTake great care to ensure that parts of the body, items of clothing or jewelery cannot be drawn in by the radiator fan, engine-compartment blower, drive belt or other moving parts.
Measurements on test stands
Performance test
Performance tests on roller-type test stands are not approved by Porsche.
Brake tests
Brake tests must be performed only on roller-type test stands.
The following limit values must not be exceeded on roller-type test stands: – Test speed 4.7 mph (7.5 km/h)– Test duration 20 seconds
Testing the electric parking brake
Electric parking brake tests on the brake test stand must only be performed with the ignition switched on and the Porsche Doppelkupplung selector lever in position N. The vehicle switches automatically to brake test stand mode, in which the electric parking brake can be tested.The message “ Electric parking brake in service mode ” appears on the multi-function display in the instrument panel.
Balancing wheels on the vehicle
During finish balancing of the wheels, the entire vehicle must be lifted and the wheels must be free to turn.
Information
The tools required for changing a wheel (e.g. jack, wheel bolt wrench, assembly aids) are not supplied as standard with the vehicle. Your authorized Porsche dealer will be pleased to advise you.
Failure to Secure VehicleWARNINGh
Radiator Fans, Engine Compartment Blowers
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Minor Repairs 243
Information
If pure water is added in an emergency, the mixing ratio will have to be corrected.A significant loss of coolant indicates a leak in the cooling system.fThe cause must be eliminated without delay. Please contact an authorized Porsche dealer.
Hands, fingers, items of clothing (ties, sleeves, etc.), necklaces or long hair can be drawn in by moving parts, e.g. the engine-compartment blowers, drive belt, etc., when working in the engine compartment.
The engine-compartment blowers are mounted under the engine compartment lid.After the engine is switched off, the engine compartment temperature is monitored for approx. 30 minutes.During this period, and depending on temperature, the engine-compartment blowers may continue to run or start to run.fCarry out work in this area only with the engine off and exercise extreme caution.
The engine and adjacent components become very hot when the engine is running.fExercise extreme caution when working in the engine compartment.
Brake Fluid
Regular checking of the brake fluid is part of servicing.
The fluid level should always be between the MIN and MAX markings.
A slight decrease in the fluid level due to wear and automatic readjustment of the disk brakes is normal.However, if the fluid level falls significantly or goes below the MIN marking, the brake system may have developed a leak.fHave the brake system checked immediately. Please contact an authorized Porsche dealer.
Brake fluid is hazardous to your health, and may be fatal if swallowed.fKeep brake fluid out of children's reach.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.
Brake fluid attacks and can damage paintwork.fImmediately rinse off spilled brake fluid with clean water.
Changing brake fluid
Brake fluid absorbs moisture from the air over time. The absorbed water can impair braking efficiency.fIt is important therefore to have the brake fluid changed in accordance with the change intervals specified in the “Maintenance” booklet.fUse only brake fluid authorized by Porsche.
Brake warning light USA
Brake warning light Canada
The warning light on the instrument panel and the warning message on the multi-function display alert you to the fact that the brake fluid level is too low and could indicate brake circuit failure if the pedal travel is greater than normal.
Engine-compartment blowers or other moving parts in the area of the engine
Hot engine parts
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Swallowing Brake FluidDANGERh
NOTICE
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Minor Repairs 245
Driving with damaged tires could cause you to lose control of the vehicle.fIf while driving, your vehicle experiences a sudden vibration or ride disturbance, and/or you suspect that possible damage to your tires or vehicle has occurred, you should immediately reduce your speed without excessive use of the brakes.fStop the vehicle as soon as possible, and inspect the tires.If you cannot determine the cause for the disturbance, have your vehicle towed to the nearest Porsche or tire dealer to have your vehicle or tire(s) inspected.fContinuing to operate the vehicle without correction could result in a loss of control.Example
Uniform Tire Quality Grading
Quality grades can be found where applicable on the tire sidewall between tread shoulder and maximum section width.
All passenger car tires must conform to Federal Safety Requirements in addition to these grades.
Treadwear
The treadwear grade is a comparative rating based on the wear rate of the tire when tested under controlled conditions on a specific government test course. For example, a tire graded 150 would wear one and a half (1-1/2) times as well on the government course as a tire graded 100. The relative performance of tires depends upon the actual conditions of their use, however, and may depart significantly from the norm due to variations in driving habits, service practices and differences in road characteristics and climate.
Traction AA, A, B, C
The traction grades, from highest to lowest, are AA, A, B, and C and they represent the tire's ability to stop on wet pavement as measured under controlled conditions on specified government test surfaces of asphalt and concrete. A tire marked C may have poor traction performance.
Information
The traction grade assigned to this is based on braking (straight-ahead) traction tests and does not include cornering (turned) traction, acceleration, hydroplaning or peak traction characteristics.
Temperature A, B, C
The temperature grades are A (the highest), B and C, representing the tire's resistance to the generation of heat and its ability to dissipate heat when tested under controlled conditions on a specified indoor laboratory test wheel.Sustained high temperatures can cause the material of the tire to degenerate and reduce tire life, and excessive temperature can lead to sudden tire failure.The grade C corresponds to a level of performance which all passenger car tires must meet under the Federal Motor Vehicle Safety Standard No. 109.Grades B and A represent higher levels of performance on the laboratory test wheel than the minimum required by law.
Tire Damage While Driving
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248 Minor Repairs
Tire life
Tire life depends on various factors, i.e., road surfaces, traffic and weather conditions, driving habits, type of tires and tire care.fInspect your tires for wear and damage before driving off. If you notice uneven or substantial wear, wheels might need alignment or tires should be balanced or replaced.
Tire wear
The original equipment tires on your Porsche have built-in tire wear indicators. They are molded into the bottom of the tread grooves and will appear as approximately 1/2 in. (12 mm) bands when the tire tread depth is down to 1/16 of an in (1.6 mm).
When the indicators appear in two or more adjacent grooves, it is time to replace the tires. We recommend, however, that you do not let the tires wear down to this extent. Worn tires cannot grip the road surface properly and are even less effective on wet roads.
In the United States, state laws may govern the minimum tread depth permissible. Follow all such laws.
Driving on worn tires can result in loss of control of the vehicle and could cause serious personal injuries or death.fDo not drive with worn tires or tires showing cuts or bruises as they may lead to sudden deflation and loss of control which could cause severe personal injury.fSpecialized high performance tires on high performance sports cars exhibit more wear than those on a family sedan, or even a high performance sedan. Therefore, it is important to check your tire
pressure and condition at least every two weeks.
fIf you notice that tires are wearing unevenly, consult your authorized Porsche dealer.
Uneven wear may not always be due to improper wheel alignment. It can be the result of individual driving habits such as cornering at high speeds. If the tire pressure is not checked and adjusted regularly, abnormal tire wear can also occur.
Tire care
fAvoid damaging tires and wheel rims.fIf you must drive over a curb or other obstacle, drive slowly and at an obtuse angle.fCheck tires for uneven wear and damage before driving off.fRemove embedded material.fReplace worn or damaged tires immediately.fKeep oil, fuel, brake fluid, etc. away from tires.fReplace missing valve stem caps.fKeep tires inflated correctly.fWash tires when washing the vehicle. Also clean inner side of wheels.fDo not use abrasive cleaners when washing the wheels.fCheck wheel rims for corrosion.fRemove road salt, if driving in winter.
Tire damage, puncture
fPlease see the chapter “HIGH-PRESSURE CLEANING EQUIPMENT, STEAM CLEANERS” on page 232.
Driving the vehicle with low tire pressure increases risk of a tire failure and resulting loss of control. Furthermore, low tire pressure increases the rate of wear of the affected tires.fCheck tires – including sidewalls – regularly for foreign bodies, nicks, cuts, cracks and bulges.fAfter driving off road, examine tires for signs of damage such as cuts, tears, bulges or foreign objects stuck in the tread. Replace a damaged tire if necessary.fCross curb edges slowly and at right angles if possible. Avoid driving over steep or sharp curbs.fIn cases of doubt, have the wheel (particularly the inner side) checked by an authorized Porsche dealer.
In case of tire damage, where it is uncertain whether there is a break in the ply with all its consequences or tire damage caused by thermal or mechanical overloading due to loss of pressure or any other prior damage, we recommend that the tire be replaced for safety reasons.
If one faulty tire is replaced it should be noted that the difference in tread depth on one axle must not exceed 30%. Handling inconsistencies may result.fRecommendation: Replace both tires on one axle so that no handling inconsistencies may result due to different tread depths.fPerform a visual inspection if necessary.
Excessively-worn TiresDANGERh
Damaged Tire CheckDANGERh
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Minor Repairs 251
The standard tires profile and rubber mixture are optimized for wet and dry driving conditions, and may not prove favorable for snow conditions.fInstall snow tires before driving in such conditions.
Risk of insufficient road grip leading to loss of control and damage to the vehicle.
The standard tires profile and rubber mixture are optimized for wet and dry driving conditions, and may not prove favorable for snow conditions.fInstall snow tires before driving in such conditions.
Before mounting snow tires, consult with your Porsche dealer. They have the technical information necessary to advise you on wheel and tire compatibility.fSnow tires should have the same load capacity as original equipment tires and should be mounted on all four wheels.
Driving the vehicle with low tire pressure increases risk of a tire failure and resulting loss of control. Furthermore, low tire pressure increases the rate of wear of the affected tires and causes damage.
Tires with badly worn treads are very dangerous and could cause accidents.fMake sure they are replaced immediately.fDo not exceed the snow tire speed rating.
Snow tires do not have the same degree of traction on dry, wet or snowfree roads as normal tires. Furthermore, snow tires wear rapidly under these conditions.
Information
We recommend that you fit snow tires on the vehicle at temperatures below 45 °F (7 °C) since the driving performance of summer tires is reduced at low temperatures and a lower level of comfort can also be expected. For example, juddering noises caused by the tires can occur while maneuvering the vehicle or accelerating out of bends on both dry and wet road surfaces.Extremely low temperatures of below 5 °F (-15 °C) can cause permanent damage to summer tires.
Snow tires lose their suitability when their tread depth falls below 5/32 in. (4 mm).
Comply with all state and local laws governing snow tire and tread depth requirements.
Exceeding the maximum permitted speed for the tires fitted could cause tire failure.fAlways check the maximum speed rating on the tire sidewall on any tire on the vehicle.fNever exceed the maximum speed rating of the tires.
Wheel change
fWhen wheels are removed, mark the direction of rotation and position of each wheel.Example: FR (front right), FL, RR and RL.fAlways fit the wheels in accordance with the markings.
Snow chains
Risk of damage to body, axle or brake components.fFit snow chains only to the rear wheels, and only with the tire/rim combination listed in the Technical Data.fUse only the fine-link snow chains recommended and authorized by Porsche so that sufficient clearance between the wheel well and the chain is assured.fPlease see the chapter “WHEELS, TIRES” on page 286.fFollow instructions issued by the supplier of the chains.
Snow Tire Use
Tire Hazards
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NOTICE
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Excessive Speed for Tires
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NOTICE
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