2014 PORSCHE 911 TURBO wheel alignment

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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250 Minor Repairs
Wheel alignment, wheel balancing
As a precaution, have wheels with summer tires balanced in the spring, and those with mud and snow tires before winter. Unbalanced wheels may affect car handling and tire life.Only the specified weights may be used for wheel balancing.
Self-adhesive weights must not come into contact with cleaning agents, since they could drop off.Uneven tread wear indicates wheel imbalance. In this event, the vehicle should be checked at an authorized Porsche dealer.
If, during a trip, uneven running or vibrations occur that could be caused by damage to tires or the car, the speed must be reduced immediately, but without braking sharply. If you continue your trip without having the cause of the fault remedied, you might lose control of your vehicle.fStop the vehicle and check the tires.fIf no cause for the fault can be found, drive carefully to the nearest authorized Porsche dealer.
The summer tires of your Sports Car have been specially developed and adapted for high performance. At low outside temperatures (<15°C (60°F)), the tire characteristics change. This can result in noises occurring when parking or maneuvering at low outside temperatures.
Wheels with Tire Pressure Monitoring System (TPMS) sensors
Before changing wheels, make sure that the wheels are compatible with your vehicle’s TPMS.fCheck this with your authorized Porsche dealer.
Removing and storing tires
fAfter changing, adjust tire pressure and torque wheel bolts diagonally. Please see the chapter “CHANGING WHEELS” on page 254.fStore tires in a cool and dry place. Rotate periodically to avoid flat spots.fDo not store summer tires or park vehicles fitted with summer tires at ambient temperatures below 5 °F (-15 °C).fAvoid contact with fuel, oil and grease.
Tires must always remain on the same side of the vehicle.When wheels are removed, the direction of rotation and position of each wheel should be marked.
Example
FR (front right), FL, RR and RL.
Wheels must always be fitted in accordance with their marking.
The perception that tire durability and performance are not affected by storage and age is unfounded. Chemical additives, which make the rubber elastic, lose their effectiveness over the course of time and the rubber becomes brittle and cracks.
Therefore, the tires should be inspected from time to time.
Information
Under no circumstances should tires older than 6 years be used on your Porsche.
The age of the tire can be obtained from the “DOT” code number. If, for example, the last four numbers read 1213, then the tire was produced in the 12th week of 2013.
Snow tires
The installation of Porsche approved snow tires is recommended.
Use Porsche approved snow tires for grip on snow and ice. Summer performance tires are not suitable for usage in cold, snowy, or icy conditions.Check with your local Motor Vehicle Bureau for possible restrictions.
High-Speed tire Vibration
DANGERh
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298 Index
TPMS (Tire Pressure Monitoring System) ....................... 105 TransmissionPorsche Doppelkupplung (PDK) ......................... 172Transmission and chassis control systemsOverview (PSM, PASM, PDCC, PTV Plus) ............ 179Transport (on car trains, ferries, etc.)Securing the vehicle ......................................... 282Switching off inclination sensor ......................... 216Trip counterDisplay .............................................................. 93Resetting........................................................... 93Trip information ........................................................... 105Trunk entrapment .......................................................... 30Turn signal, stalk ........................................................... 82
UUltrasound sensor, ParkAssist ...................................... 207Underbody protection, care instructions ........................ 235Universal audio interface, installation position ................ 171Unlocking Opening vehicle door from inside......................... 23Retrieving personal settings from the key........... 143The vehicle cannot be unlocked........................... 26Unlocking and opening tailgate ............................ 25Unlocking vehicle door from inside ...................... 23Unlocking vehicle door with car key(remote control) ................................................. 21Unlocking vehicle door with Porsche Entry & Drive (keyless)........................... 21Upshift prompt .............................................................. 93USB interface, installation position ................................ 171
VVanity mirror ................................................................. 53Vehicle Keys ................................................................. 16Vehicle data ................................................................ 284Vehicle doorLocking from inside ............................................ 23Locking with car key (remote control) .................. 22Locking with Porsche Entry & Drive (keyless)........ 22Malfunctions when opening and closing................ 26Unlocking with car key (remote control) ............... 21Unlocking with Porsche Entry & Drive (keyless) ..... 21Vehicle informationRetrieving on multi-function display .................... 100Vehicle settingsAdapting multi-function display .......................... 118Adjusting on multi-function display ..................... 117
Adjusting volume of warning and information tones ............................................ 126Air-conditioning settings ................................... 123Changing button assignment on multi-function steering wheel ................................................. 127Changing the language .................................... 126Light and visibility settings................................ 120Locking settings .............................................. 122Porsche Active Safe settings ............................ 128Resetting to factory settings............................. 117Selecting settings menu ................................... 117Setting date and time....................................... 124Setting units .................................................... 125Storing on person buttons .......................... 34, 143Storing on the key ..................................... 34, 143Vents Adjusting........................................................... 59Opening/closing ................................................ 59 Voice control .............................................................. 171
WWarning messagesTire pressure................................................... 112 Washer fluid Antifreeze ....................................................... 224Topping up ...................................................... 224 Washer jets Heating ............................................................. 86Washing the vehicle, instructions .................................. 232WeightsDefinitions ....................................................... 204Weights, Technical data ............................................... 288Welcome Home functionSwitching on ..................................................... 80Wheel Attachment faces ............................................ 257Central Bolts ................................................... 258Central locking ................................................ 258Changing ........................................................ 258Checking pressure ........................................... 256Security wheel bolts......................................... 198 Wheel alignment ......................................................... 250Wheel attachment faces .............................................. 257Wheel change ............................................................. 251WheelsAdjusting......................................................... 250Central Bolts ................................................... 258Central locking ................................................ 258Changing ........................................................ 254Fixing a flat tire................................................ 265General information ......................................... 244
Inscription on alloy wheels ................................ 253 Inscription on radial tire .................................... 252Overview ......................................................... 286Replacing tires (general information) .................. 249Rim offset ....................................................... 286Security wheel bolt (wrench socket) ................... 257Size ................................................................ 286Snow chains (general information) ..................... 251Snow tires (general information) ........................ 250Storage ........................................................... 250Tightening torque ............................................. 258Tire pressure plate ........................................... 284Tire pressure, data (bar/psi) ............................. 287Tire sealant ..................................................... 265Wheel attachment faces ................................... 257Wheel balancing ............................................... 250Wheel bolts (care instructions)........................... 257WindowsAdjusting after connecting battery ....................... 63Care instructions .............................................. 234Heated washer jets ............................................ 86Opening/closing with rocker switch ..................... 62Storing end position ........................................... 63Windshield washer systemAdding washer fluid .......................................... 224Windshield wiper/washer stalk Adjusting the rain sensor sensitivity ..................... 85Windshield wiper/washer system......................... 86Windshield, fast wiping ....................................... 86Windshield, slow wiping ...................................... 86Wiping windshield once (one-touch operation) ....... 86 Windshield wipers Care instructions .............................................. 234Stalk ................................................................. 86 WindstopClosing.............................................................. 69Lowering ........................................................... 69Opening ............................................................ 69Raising .............................................................. 69Winter driving .............................................................. 272Winter tires Changing tires ................................................. 256General information .......................................... 250Storage ........................................................... 250 Wiper bladesCare instructions .............................................. 234Replacing ........................................................ 224Wrench socket for security wheel boltUsing .............................................................. 257
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