Wheels/Tires - Summer Tires/Wheels & Spacers
911 (996)14/08 ENU 4440
Manufacturer's Certificate
Summer Tires, Wheels and Spacers
NOTE:
This list to approved products replaces Technical Information No. 1/04 dated May 25, 2004.
Vehicle Types:
911 Turbo (996)
Model Year:
As of 2001 up to 2005
Information:
Newly approved tires
WARNING:
Driving with different tires (mixed tires)
- Uncontrollable vehicle handling
--> Only use tires of the same make and type, with the same speed index and the same specification code (N0, N1, N2,...) on a vehicle.
Makes/Types:
Tire size Tire make and type
225/40 ZR 18 (front) Pirelli P-Zero Asimmetrico N3
295/30 ZR 18 (rear) Pirelli P-Zero Rosso N4
Continental ContiSportContact2 N2
Michelin PilotSport PS2 N3
NOTE:
N... = Specification code of the tire, e.g. "N0, "N1", "N2"... The complete "N...." code of the tires in question must be shown on the tires sidewall near the tire type designation.
Instruction for correct mounting of the tires are also given on the tire sidewall. If there are no mounting instructions on the tire sidewall, the tire must be mounted so that the DOT marking is visible from the outside.
Arrow with inscription = directional mounting
"Rotation"
Inscription "Inside/Outside" = mounting on specified side only
Arrow with both = directional mounting and mounting on specified side only inscriptions
"Rotation" and "Inside/Outside"
NOTE:
If a tire is damaged and it is not possible to determine with absolute certainty that there is no ply damage - with all of its consequences - or if the tire was thermally and/or mechanically overloaded due to a loss of pressure or other prior damage, replace the tire question for safety reasons.
Repairs to "V", "W," "Y" and "ZR" tires are not permissable, as well as the use of inner tubes in tubeless tires. Please inform your customers accordingly. It is advisable to mount winter tires at temperatures below 45 degrees F/7 degrees C, because the driving characteristics of summer tires are reduced at low temperatures. Extremely low temperatures can cause permanent damage to summer tires.
WARNING:
Incorrect tire pressure
- Uncontrollable vehicle handling
--> Adjust the tire pressure according to specifications. Never allow the pressure to fall below the minim pressure.
--> Check age of tires. Replace tires that are more than 6 years old.
--> Perform visual inspections.
--> Use new rubber valves at every tire change.
--> Use only tires recommended by Porsche.
Tire Pressure:
NOTE:
The tire pressure applies only to the tire makes and types approved by Porsche, and is specified for cold tires (approx. 68 degrees F/20 degrees C. The tire pressures must never be lower than the specified values.
Sizes
Mounting Wheel
Spacer/Wheel:
The 17-mm spacers are mounted on the wheel hubs using the standard wheel bolts. Part No. 996.361.203.00/01 (dimension X =approx. 45 mm).
Tightening torque: 130 Nm (96 ftlb.).
The wheels are mounted on the 17-mm spacers using wheel nuts. Part No. 999.182.003.36.
Tightening torque: 130 Nm (96 ftlb.).
The 17-mm spacer must be removed when fitting the spare wheel.
Wheels:
NOTE:
Improper handling can damage the wheel surface.
Carry out tire removal and mounting using a bead holding - down device only.
Use a leather pad on the rim flange to support the valve insertion tool.
Only use the Porsche centering clamping set for balancing.
Do not use brushes to clean the wheels because brushes can cause deep scratches that cannot be removed by polishing.
Never use solvents or other chemical substances on tires.
Overview of Porsche wheels for summer tires
Identification on the inside/outside of the wheel disc:
Wheel size, rim offset (RO) in mm, Part No. and Porsche logo
5.5 J x 16 RO 10
Part No. 996.362.150.00 (2) (3) Spare wheel
or Part No. 996.362.150.01 (3) (not shown)
5.5 J x 17, RO 23
Part No. 996.362.120.00 (2)
or Part No. 996.362.120.01
8 J x 18 H2, RO 50
Part No. 996.362.136.01
11 J x 18 H2, RO 45
Part No. 996.362.142.01 (2)
or Part No. 996.361.142.10
8 J x 18 H2, RO 50
Part No. 996.362.136.04
11 J x 18 H2, RO 45
Part No. 996.362.142.03 (2)
or Part No. 996.361.142.11
8 J x 18 H2, RO 50
Part No. 996.362.136.51
11 J x 18 H2, RO 63
Part No. 996.362.142.51 (2)
or Part No. 996.362.142.52
(2) Not for 911 Turbo as of model year 2004.
(3) Not for vehicles with PCCB.
Navigation Systems:
After a wheel or tire change, the full locating accuracy is attained only after a trip of approx. 50 km (30 miles), if possible on a highway and a speed > 60 km/h (40 mph). Furthermore, a high wheel slip factor (e.g. wheel spin) can result in temporary incorrect positioning.
General Info:
Always use new valves when changing tires.
Always observe any possible instructions concerning the rolling direction and/or specifying which side the tires must be mounted on. Refer to notes (if applicable).
Coat the tire beads and humps with mounting lubricant before mounting the tire. This ensures that the tire beads will slide over the humps easily. In order to prevent the tire from turning on the wheel, avoid extreme driving maneuvers (acceleration and braking) during the first (100 to 200 miles) with new or recently mounted tires.
In order to optimize smoothness of rolling, it is appropriate - and necessary in individual cases - to mount the tire in a certain (favorable) position with respect to the wheel (matching).
Matching (uncontrolled and controlled) is explained below:
Uncontrolled matching: Turning the tire on the wheel by 90 degrees or 120 degrees if necessary in order to achieve an acceptable value with regard to rolling smoothness (true running, imbalance and weight distribution of balance weights).
Controlled matching: With a balancing machine with matching program. In most cases, this produces an even better result with regard to the rolling smoothens (true running, imbalance and weight distribution of the balance weights) that can be achieved with uncontrolled matching. Maximum permissible radial runout and lateral runout of the wheels < 0.7 mm. Maximum permissible radial runout and lateral runout of the wheels with tires < 1.25 mm. Values < 1.50 mm - ideally approx. 0.5 mm - are desirable.
The mounting pressure (seating pressure) of 58 psi/4.0 bar over pressure must not be exceeded before both tire beads are evenly seated on the rim flange.
If new tires are to be mounted or the tires of one axle are to be replaced, tires of the same make, the same type and with the same specification code must always be used of the two axles. If tires are replaced on one axle only, the different tread depth from that on the other axle can cause a noticeable change in the familiar handling. This is especially the case if new tires are mounted on the rear axle. This effect decreases with increasing tire mileage.
When replacing a tire on an axle, make sure that the tread depth of the new tire does not differ form that of the other by more than 30%.
If a tire is damaged and it cannot be determined with absolute certainty that there is no ply damage - with all of its consequences - or if the tire was thermally or mechanically overloaded due to a loss of pressure or other prior damage, recommend replacement of the tire in question for safety reasons.
Repairs on "ZR" tires are not permissible, as is the use of inner tubes in tubeless tires. Tires age due to chemical and physical processes, which can impair their function. Tires that are stored unused for an extended period harden and become brittle faster that tires that are in continual use. Hairline again cracks can occur older tires. On tires in continual use, the kneading action activates the plasticizer in the rubber and thereby prevents hardening and cracking.
Therefore, attention should be paid not only to the tread depth but also to the age of the tire. Tires should not be older than 6 years. The age of the tire can be determined via the DOT code on the sidewall, which indicates the production date of the tire: e.g. DOT 2201 = 22nd week of 2001.
Tires/complete wheels must be stored in a cool, dry and dark room with adequate ventilation. They must never come into contact with fuel, oil, grease or chemicals.
Complete wheels can be stacked for storage; it is advisable to increase the tire pressure by 0.4 bar.
Optimum conditions for proper storage of complete wheels are provided by the Original Porsche storage stand (trolley), Part Number 000 044 000 38.
If the tires are not mounted on wheels, it is best to store them in a vertical position. In this case the tries should be turned every two weeks in order to prevent excessive flattening. If the tires are stacked in horizontal position, they will become severely deformed and cannot be seated in the rim flange easily when they are fitted.
NOTE:
This list of approved products replaces Technical Information No. 1/04 dated May 25, 2004.
Vehicle Types:
911 Turbo (996)
Model Year:
As of 2001 up to 2005
Information:
Newly approved tries
WARNING:
Driving with different tires (mixed tires)
- Uncontrollable vehicle handling
--> Only use tires of the same make and type, with the same speed index and the same specification code (N0, N1, N2,.....) on a vehicle.
Makes/Types:
Tire size Tire make and type
Pirelli P-Zero Asimmetrico N3
225/40 ZR 18 (front) Pirelli P-Zero Rosso N4
295/30 ZR 18 (rear) Continental ContiSportContact2 N2
Michelin PilotSprot PS2 N
NOTE:
N... =Specification code of the tire, e.g. "N0, "N1", "N2"... the complete "N..." code of the tires in question must be shown on the tire sidewall near the tire type designation.
Instructions for correct mounting of the tires are also given on the tire sidewall. If there are no mounting instructions on the tire sidewall, the tire must be mounted so that the DOT marking is visible from the outside.
Arrow with inscription = directional mounting
"Rotation"
Inscription "Inside/Outside" = mounting on specified side only
Arrow with both = directional mounting and mounting on specified side only
inscription "Rotation" and
"Inside/Outside"
NOTE:
If a tire is damaged and it is not possible to determine with absolute certainty that there is no ply damage - with all of its consequences - or if the tire was thermally and/or mechanically overloaded due to a loss of pressure or other prior damage, replace the tire in question for safety reasons.
Repair to "V", "W," "Y," and "ZR" tires are not permissable, as well as the use of inner tubes in tubeless tires. Please inform your customers accordingly. It is advisable to mount winter tires at temperatures below 45 degrees F/7 degrees C, because the driving characteristics of summer tires are reduced at low temperatures. Extremely low temperatures can cause permanent damage to summer tires.
WARNING:
Incorrect tire pressure
- Uncontrollable vehicle handling
--> Adjust the tire pressure according to specifications. Never allow the pressure to fall below the minim pressure.
--> Check age of tires. Replace that are more than 6 years old.
--> Perform visual inspections.
--> Use new rubber valves at every tire change.
--> Use only tires recommended by Porsche.
Tire Pressure:
NOTE:
The tire pressure applies only to the tire makes and types approved by Porsche, and is specified for cold tires (approx. 68 degrees F/20 degrees C. The tire pressures must never be lower than the specified values.
Sizes
Mounting Wheel Spacer/Wheel:
The 17-mm spacers are mounted on the wheel hubs using the standard wheel bolts. Part No. 996.361.203.00/01 (dimension X = approx. 45 mm).
Tightening torque: 130 Nm (96 ftlb.).
The wheels are mounted on the 17-mm spacers using wheel nuts. Part No. 999.182.003.36.
Tightening torque: 130 Nm (96 ftlb.).
The 17-mm spacer must be removed when fitting the spare wheel.
Wheels:
NOTE:
Improper handling can damage the wheel surface.
Carry out tire removal and mounting using a bead holding - down device only.
Use a leather pad on the rim flange to support the valve insertion tool.
Only use the Porsche centering clamping set for balancing.
Do not brushes to clean the wheels because brushes and cause deep scratches that cannot be removed by polishing.
Never use solvents or other chemical substances on tires
Overview of Porsche wheels for summer tires
Identification on the inside/outside of the wheel disc:
Wheel size rim offset (RO) in mm, Part No. and Porsche logo
Spare wheel
(not shown)
5.5 J x 16, RO 10
Part No. 996.362.150.00 (2) (3)
or Part No. 996.362.150.01 (3)
5.5 J x 17, RO 23
Part No. 996.362.120.00 (2)
or Part No. 996.362.120.01
8 J x 18 H2, RO 50
Part No. 996.362.136.01
11 J x 18, H2, RO 45
Part No. 996.362.142.01 (2)
or Part No. 996.361.142.10
8 J x 18 H2, RO 50
Part No. 996.362.136.04
11 J x 18, H2, RO 45
Part No. 996.362.142.03 (2)
or Part No. 996.361.142.11
8 J x 18 H2, RO 50
Part No. 996.362.136.51
11 J x 18, H2, RO 63
Part No. 996.362.142.51 (2)
or Part No. 996.361.142.52
(2) Not for 911 Turbo as of model year 2004
(3) Not for vehicles with PCCB.
Navigation Systems:
After a wheel or tire change, the full accuracy is attained only after a trip of approx. 50 km (30 miles), if possible on a highway at a speed > 60 km/h (40 mph). Furthermore, a high wheel slip factor (e.g. wheel spin) can result in temporary incorrect positioning.
General Info:
Always use new valves when changing tires.
Always observe any possible instructions concerning the rolling direction and/or specifying which side the tires must be mounted on. Refer to notes on pare 1 (if applicable).
Coat the tire beads and humps with mounting lubricant before mounting the tire. This ensures that the tire beads will slide over the humps easily. In order to prevent the tire from turning on the wheel avoid extreme driving maneuvers (acceleration and braking) during the first (100 to 200 miles) with new or recently mounted tires.
In order to optimize smoothness of rolling, it is appropriate - and necessary in individual case - to mount the tire in a certain (favorable) position with respect to the wheel (matching).
Matching (uncontrolled and controlled) is explained below:
Uncontrolled matching: Turning the tire on the wheel by 90 degrees or 120 degrees if necessary in order to archive an acceptable value with regard to rolling smoothness (true running, imbalance and weight distribution of balance weights).
Controlled matching: With a balancing machine with matching program. In most cases, this produces and even better result with regard to the rolling smoothens (true running, imbalance and weight distribution of the balance weights) than can be achieved with uncontrolled matching. Maximum permissible radial runout and lateral runout of the wheels < 0.7 mm. Maximum permissible radial runout and lateral runout of the wheels with tires < 1.25 mm. Values < 1.50 mm - ideally approx. 0.5 mm - are desirable.
The mounting pressure (seating pressure) of 58 psi/4.0 bar overpressure must not be exceeded before both tire beads are evenly seated on the rim flange.
If new tires are to be mounted or the tires of one axle are to be replaced, tires of the same make, the same type and with the same specification code must always be used on each of the two axles. If tires are replaced on one axle only, the different tread depth from that on the other axle can cause a noticeable change in the familiar handling. This is especially the case if new tires are mounted on the rear axle. This effect decreases with increasing tire mileage.
When replacing a tire on an axle, make sure that the tread depth of the new tire does not differ from that of the other tire by more than 30%.
If a tire damaged and it cannot be determined with absolute certainty that there is no ply damage - with all of its consequences - or if the tire was thermally or mechanically overloaded due to a loss of pressure or other prior damage, we recommend replacement of the tire in question for safety reasons.
Repairs on "ZR" tires are not permissible, as is the use of inner tubes in tubeless tires. Tires age due to chemical and physical processes, which can impair their function. Tires that are stored unused for an extended period harden and become brittle faster than tires are in continual use. Hairline aging cracks can occur on older tires. On tires in continual use, the kneading action activates the plasticizer in the rubber and thereby prevents hardening and cracking.
Therefore, attention should be paid not only to the tread depth but also to the age of the tire. Tires should not be older the 6 years. The age of the tire can be determined via the DOT code on the sidewall, which indicates the production date of the tire: e.g. DOT 2201 = 22nd week of 2001.
Tires/complete wheels must be stored in a cool, dry an dark room with adequate ventilation. They must never come into contact with fuel, oil, grease or chemicals.
Complete wheels can be stacked for storage; it is advisable to increase the tire pressure by 0.4 bar.
Optimum conditions for proper storage of the complete wheels are provided by the Original Porsche storage stand (trolley), Part Number 000 044 000 38.
If the tires are not mounted on wheels, it is best to store them in a vertical position. In this case the tires should be turned every two weeks in order to prevent excessive flattening. If the tires are stacked in horizontal position, they will become severely deformed and cannot be seated in the rim flange easily when they are fitted.