122-U7W3Z-03

Cayenne (9YA)
Technical Information
36/18
ENU
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Approved Wheels and Tires (36/18)
Revision:
This bulletin replaces bulletin Group 4, #34/18 dated December 6, 2018.
Model Year:
As of 2018
Vehicle Type:
All Cayenne models
General
information:
This bulletin contains information about:
Concern:
Approval status: January 2019
Sizes:
Permissible wheel and tire sizes
(RO = rim offset in mm, FA = front axle, RA = rear axle)
•
•
•
•
technically permissible wheel/tire combinations,
measures that may be required when changing the wheel/tire combination installed at the factory,
approved original Porsche alloy wheels and
approved summer, all-season and winter tires and their tire pressures.
Information
Porsche Ceramic Composite Brakes (PCCB) are only permitted for 21-inch wheels, depending on wheel
type.
Information
Porsche Surface Coated Brakes (PSCB) are only permitted for 20-inch or bigger wheels.
Information
For vehicles fitted with 19-inch and 20-inch wheels at the factory on which 21-inch or 22-inch wheels are
to be retrofitted, the wheel arch extension set with Part No. 9Y0 044 820 must always be installed.
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Jan 17, 2019
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Tires
Tire sizes
Wheel sizes
Snow
chains
Cayenne, Cayenne S
Summer
Winter
All-season
Tires
FA: 255/55 ZR 19 (111Y) XL
RA: 275/50 ZR 19 (112Y) XL
FA: 8.5 J x 19 H2, RO 47
RA: 9.5 J x 19 H2, RO 54
No
FA: 275/45 ZR 20 (110Y) XL
RA: 305/40 ZR 20 (112Y) XL
FA: 9.0 J x 20 H2, RO 50
RA: 10.5 J x 20 H2, RO 64
No
FA: 285/40 ZR 21 (109Y) XL
RA: 315/35 ZR 21 (111Y) XL
FA: 9.5 J x 21 H2, RO 46
RA: 11.0 J x 21 H2, RO 58
No
FA: 285/35 ZR 22 (106Y) XL
RA: 315/30 ZR 22 (107Y) XL
FA: 10.0 J x 22 H2, RO 48
RA: 11.5 J x 22 H2, RO 61
No
FA: 255/55 R 19 111V XL
RA: 275/50 R 19 112V XL
FA: 8.5 J x 19 H2, RO 47
RA: 9.5 J x 19 H2, RO 54
RA only
9Y0044
690A
FA: 275/45 R 20 110V XL
RA: 305/40 R 20 112V XL
FA: 9.0 J x 20 H2, RO 50
RA: 10.5 J x 20 H2, RO 64
RA only
9Y0044
690A
FA: 275/40 R 21 107V XL
RA: 305/35 R 21 109V XL
FA: 9.5 J x 21 H2, RO 46
RA: 11.0 J x 21 H2, RO 58
RA only
9Y0044
690A
FA: 255/55 R19 111V XL
RA: 275/50 R 19 112V XL
FA: 8.5 J x 19 H2, RO 47
RA: 9.5 J x 19 H2, RO 54
RA only
9Y0044
690A
FA: 275/45 R20 110V XL
RA: 305/40 R 20 112V XL
FA: 9.0 J x 20 H2, RO 50
RA: 10.5 J x 20 H2, RO 64
RA only
9Y0044
690A
FA: 285/40 ZR 21 (109Y) XL
RA: 315/35 ZR 21 (111Y) XL
FA: 9.5 J x 21 H2, RO 46
RA: 11.0 J x 21 H2, RO 58
Tire sizes
Wheel sizes
No
Snow
chains
Cayenne Turbo
Summer
Winter
Jan 17, 2019
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FA: 285/40 ZR 21 (109Y) XL
RA: 315/35 ZR 21 (111Y) XL
FA: 9.5 J x 21 H2, RO 46
RA: 11.0 J x 21 H2, RO 58
No
FA: 285/35 ZR 22 (106Y) XL
RA: 315/30 ZR 22 (107Y) XL
FA: 10.0 J x 22 H2, RO 48
RA: 11.5 J x 22 H2, RO 61
No
FA: 275/45 R20 110V XL
RA: 305/40 R 20 112V XL
FA: 9.0 J x 20 H2, RO 50
RA: 10.5 J x 20 H2, RO 64
AfterSales
RA only
9Y0044
690A
All-season
4
Cayenne (9YA)
Technical Information
36/18
4400
ENU
FA: 275/40 R 21 107V XL
RA: 305/35 R 21 109V XL
FA: 9.5 J x 21 H2, RO 46
RA: 11.0 J x 21 H2, RO 58
RA only
9Y0044
690A
FA: 275/45 R20 110V XL
RA: 305/40 R 20 112V XL
FA: 9.0 J x 20 H2, RO 50
RA: 10.5 J x 20 H2, RO 64
RA only
9Y0044
690A
FA: 285/40 ZR 21 (109Y) XL
RA: 315/35 ZR 21 (111Y) XL
FA: 9.5 J x 21 H2, RO 46
RA: 11.0 J x 21 H2, RO 58
Tires
No
Snowchains
Tire sizes
Wheel sizes
FA: 255/55 ZR 19
(111Y) XL
RA: 275/50 ZR 19
(112Y) XL
FA: 8.5 J x 19 H2, RO
47
RA: 9.5 J x 19 H2, RO
54
No
FA: 275/45 ZR 20
(110Y) XL
RA: 305/40 ZR 20
(112Y) XL
FA: 9.0 J x 20 H2, RO
50
RA: 10.5 J x 20 H2, RO
64
No
FA: 285/40 ZR 21
(109Y) XL
RA: 315/35 ZR 21
(111Y) XL
FA: 9.5 J x 21 H2, RO
46
RA: 11.0 J x 21 H2, RO
58
No
FA: 285/35 ZR 22
(106Y) XL
RA: 315/30 ZR 22
(107Y) XL
FA: 10.0 J x 22 H2, RO
48
RA: 11.5 J x 22 H2, RO
61
No
FA: 255/55 R 19 111V
XL
RA: 275/50 R 19 112V
XL
FA: 8.5 J x 19 H2, RO
47
RA: 9.5 J x 19 H2, RO
54
RA only
9Y0044690A
FA: 275/45 R 20 110V
XL
RA: 305/40 R 20 112V
XL
FA: 9.0 J x 20 H2, RO
50
RA: 10.5 J x 20 H2, RO
64
RA only
9Y0044690A
FA: 275/40 R 21 107V
XL
RA: 305/35 R 21 109V
XL
FA: 9.5 J x 21 H2, RO
46
RA: 11.0 J x 21 H2, RO
58
RA only
9Y0044690A
Cayenne PHEV
Summer
Winter
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Cayenne (9YA)
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All-season
Wheels:
Jan 17, 2019
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Technical Information
36/18
FA: 255/55 R19 111V
XL
RA: 275/50 R 19 112V
XL
FA: 8.5 J x 19 H2, RO
47
RA: 9.5 J x 19 H2, RO
54
RA only
9Y0044690A
FA: 275/45 R20 110V
XL
RA: 305/40 R 20 112V
XL
FA: 9.0 J x 20 H2, RO
50
RA: 10.5 J x 20 H2, RO
64
RA only
9Y0044690A
FA: 285/40 ZR 21
(109Y) XL
RA: 315/35 ZR 21
(111Y) XL
FA: 9.5 J x 21 H2, RO
46
RA: 11.0 J x 21 H2, RO
58
No
Overview of Porsche wheels for summer, winter and all-season tires
Identification on inside of wheel:
Wheel size, rim offset (RO) in mm, part number (without color code FFF) and Porsche logo
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Cayenne (9YA)
Technical Information
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19-inch "Cayenne" wheel
FA: 8.5 J x 19 H2, RO 47
Part No. 9Y0.601.025.AR FFF
RA: 9.5 J x 19 H2, RO 54
Part No. 9Y0.601.025.AS FFF
19-inch Cayenne wheel
19-inch "Cayenne S" wheel
FA: 8.5 J x 19 H2, RO 47
Part No. 9Y0.601.025.AT FFF
RA: 9.5 J x 19 H2, RO 54
Part No. 9Y0.601.025.BA FFF
19-inch Cayenne S wheel
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20-inch "Cayenne Design" wheel
FA: 9.0 J x 20 H2, RO 50
Part No. 9Y0.601.025.BD FFF
RA: 10.5 J x 20 H2, RO 64
Part No. 9Y0.601.025.BE FFF
20-inch Cayenne Design wheel
20-inch "Cayenne Sport" wheel
FA: 9.0 J x 20 H2, RO 50
Part No. 9Y0.601.025.BB FFF
RA: 10.5 J x 20 H2, RO 64
Part No. 9Y0.601.025.BC FFF
20-inch Cayenne Sport wheel
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Cayenne (9YA)
Technical Information
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20-inch "TEQ" wheel
FA: 9.0 J x 20 H2, RO 50
Part No. 9Y0.601.025.BP FFF
RA: 10.5 J x 20 H2, RO 64
Part No. 9Y0.601.025.BQ FFF
20-inch TEQ
21-inch "RS Spyder Design" wheel
FA: 9.5 J x 21 H2, RO 46
Part No. 9Y0.601.025.BF FFF
RA: 11.0 J x 21 H2, RO 58
Part No. 9Y0.601.025.BG FFF
21-inch RS Spyder Design wheel
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21-inch "Cayenne Turbo/Turbo Design"
wheel
FA: 9.5 J x 21 H2, RO 46
Part No. 9Y0.601.025.BK FFF
RA: 11.0 J x 21 H2, RO 58
Part No. 9Y0.601.025.BL FFF
21-inch Cayenne Turbo/Turbo Design wheel
21-inch "EXC/TEQ" wheel
FA: 9.5 J x 21 H2, RO 46
Part No. 9Y0.601.025.BH FFF
Part No. 9Y0.601.029.BH FFF
RA: 11.0 J x 21 H2, RO 58
Part No. 9Y0.601.025.BJ FFF
Part No. 9Y0.601.029.BJ FFF
21-inch Cayenne EXC/TEQ wheel
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Cayenne (9YA)
Technical Information
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21-inch "P-HEV" wheel
FA: 9.5 J x 21 H2, RO 46
Part No. 9Y0.601.025.BM FFF
RA: 11.0 J x 21 H2, RO 58
Part No. 9Y0.601.025.BN FFF
21-inch P-HEV
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22-inch "911 Turbo IV Design" wheel
FA: 10.0 x 22 H2, RO 48
Part No. 9Y0.601.025.BR FFF
RA: 11.5 J x 22 H2, RO 61
Part No. 9Y0.601.025.BS FFF
22-inch 911 Turbo IV Design wheel
22-inch "Sport Classic II (EXC/TEQ)" wheel
FA: 10.0 x 22 H2, RO 48
Part No. 9Y0.601.025.AP FFF
Part No. 9Y0.601.029.AP FFF
RA: 11.5 J x 22 H2, RO 61
Part No. 9Y0.601.025.AQ FFF
Part No. 9Y0.601.029.AQ FFF
22-inch "Sport Classic II (EXC/TEQ)" wheel
Information
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.
Information
Only fit wheels with identical part numbers on one axle.
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Cayenne (9YA)
Technical Information
Wheel
Mounting:
36/18
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Tightening torque 160 Nm
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.
Summer Tires:
Model
Tire sizes
Tire make and type
Cayenne,
Cayenne S
FA: 255/55 ZR19 (111Y) XL
RA: 275/50 ZR19 (112Y) XL
Continental ContiSportContact 5 N0
(asymmetrical, Inside/Outside,
mounting on specified side only)
Bridgestone Dueler H/P Sport N0
(asymmetrical, Inside/Outside,
mounting on specified side only)
Michelin Latitude Sport 3 N0
(asymmetrical, Inside/Outside,
mounting on specified side only)
FA: 275/45 ZR20 (110Y) XL
RA: 305/40 ZR20 (112Y) XL
Bridgestone Dueler H/P Sport N0
(asymmetrical, Inside/Outside,
mounting on specified side only)
Pirelli P Zero N0
(asymmetrical, Inside/Outside,
mounting on specified side only)
FA: 285/40 ZR21 (109Y) XL
RA: 315/35 ZR21 (111Y) XL
Pirelli P Zero N0
(asymmetrical, Inside/Outside,
mounting on specified side only)
Pirelli P Zero Corsa N0
(asymmetrical, Inside/Outside,
mounting on specified side only, only
for vehicles with PDCC)
Hankook Ventus S1 evo3 SUV N0
(asymmetrical, Inside/Outside,
mounting on specified side only)
FA: 285/35 ZR22 (106Y) XL
RA: 315/30 ZR22 (107Y) XL
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Pirelli P Zero N0
(asymmetrical, Inside/Outside,
mounting on specified side only)
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Model
Tire sizes
Tire make and type
Cayenne Turbo
FA: 285/40 ZR21 (109Y) XL
RA: 315/35 ZR21 (111Y) XL
Pirelli P Zero N0
(asymmetrical, Inside/Outside,
mounting on specified side only)
Pirelli P Zero Corsa N0
(asymmetrical, Inside/Outside,
mounting on specified side only, only
for vehicles with PDCC)
Hankook Ventus S1 evo3 SUV N0
(asymmetrical, Inside/Outside,
mounting on specified side only)
Cayenne PHEV
FA: 285/35 ZR22 (106Y) XL
RA: 315/30 ZR22 (107Y) XL
Pirelli P Zero N0
(asymmetrical, Inside/Outside,
mounting on specified side only)
FA: 255/55 ZR19 (111Y) XL
RA: 275/50 ZR19 (112Y) XL
Continental ContiSportContact 5 N0
(asymmetrical, Inside/Outside,
mounting on specified side only)
Bridgestone Dueler H/P Sport N0
(asymmetrical, Inside/Outside,
mounting on specified side only)
Michelin Latitude Sport 3 N0
(asymmetrical, Inside/Outside,
mounting on specified side only)
FA: 275/45 ZR20 (110Y) XL
RA: 305/40 ZR20 (112Y) XL
Bridgestone Dueler H/P Sport N0
(asymmetrical, Inside/Outside,
mounting on specified side only)
Pirelli P Zero N0
(asymmetrical, Inside/Outside,
mounting on specified side only)
FA: 285/40 ZR21 (109Y) XL
RA: 315/35 ZR21 (111Y) XL
Pirelli P Zero N0
(asymmetrical, Inside/Outside,
mounting on specified side only)
Pirelli P Zero Corsa N0
(asymmetrical, Inside/Outside,
mounting on specified side only, only
for vehicles with PDCC)
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Technical Information
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Hankook Ventus S1 evo3 SUV N0
(asymmetrical, Inside/Outside,
mounting on specified side only)
Winter Tires:
FA: 285/35 ZR22 (106Y) XL
RA: 315/30 ZR22 (107Y) XL
Pirelli P Zero N0
(asymmetrical, Inside/Outside,
mounting on specified side only)
Reduced towing capacity (3,000
kg) for Cayenne E-Hybrid vehicles
in North America.
Model
Tire sizes
Tire make and type
Cayenne,
Cayenne S
FA: 255/55 R19 111V XL
RA: 275/50 R19 112V XL
Michelin Pilot Alpin 5 SUV N0
(symmetrical, directional, direction of
rotation-related mounting)
Pirelli Scorpion Winter N0
(symmetrical, directional, direction of
rotation-related mounting)
FA: 275/45 R20 110V XL
RA: 305/40 R20 112V XL
Michelin Pilot Alpin 5 SUV N0
(symmetrical, directional, direction of
rotation-related mounting)
Continental ContiWinterContact
TS830 P N0
(asymmetrical, Inside/Outside,
mounting on specified side only)
Pirelli Scorpion Winter N0
(symmetrical, directional, direction of
rotation-related mounting)
FA: 275/40 R21 107V XL
RA: 305/35 R21 109V XL
Pirelli Scorpion Winter N0
(symmetrical, directional, direction of
rotation-related mounting)
Michelin Pilot Alpin 5 SUV N0
(directional, direction of rotationrelated mounting)
Cayenne Turbo
FA: 275/45 R20 110V
RA: 305/40 R20 112V
Michelin Pilot Alpin 5 SUV N0
(symmetrical, directional, direction of
rotation-related mounting)
Continental ContiWinterContact
TS830 P N0
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(asymmetrical, Inside/Outside,
mounting on specified side only)
Pirelli Scorpion Winter N0
(symmetrical, directional, direction of
rotation-related mounting)
FA: 275/40 R21 107V XL
RA: 305/35 R21 109V XL
Pirelli Scorpion Winter N0
(symmetrical, directional, direction of
rotation-related mounting)
Michelin Pilot Alpin 5 SUV N0
(directional, direction of rotationrelated mounting)
Cayenne PHEV
FA: 255/55 R19 111V XL
RA: 275/50 R19 112V XL
Michelin Pilot Alpin 5 SUV N0
(symmetrical, directional, direction of
rotation-related mounting)
Pirelli Scorpion Winter N0
(symmetrical, directional, direction of
rotation-related mounting)
FA: 275/45 R20 110V XL
RA: 305/40 R20 112V XL
Michelin Pilot Alpin 5 SUV N0
(symmetrical, directional, direction of
rotation-related mounting)
Continental ContiWinterContact
TS830 P N0
(asymmetrical, Inside/Outside,
mounting on specified side only)
Pirelli Scorpion Winter N0
(symmetrical, directional, direction of
rotation-related mounting)
FA: 275/40 R21 107V XL
RA: 305/35 R21 109V XL
Pirelli Scorpion Winter N0
(symmetrical, directional, direction of
rotation-related mounting)
Michelin Pilot Alpin 5 SUV N0
(directional, direction of rotationrelated mounting)
Jan 17, 2019
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Cayenne (9YA)
Technical Information
All-Season
Tires:
36/18
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4400
Model
Tire sizes
Tire make and type
Cayenne,
Cayenne S
FA: 255/55 R19 111V XL
RA: 275/50 R19 112V XL
Michelin Pilot Sport A/S 3 N0
(asymmetrical, Inside/Outside,
mounting on specified side only)
4
Pirelli Scorpion Verde A/S N0
(asymmetrical, Inside/Outside,
mounting on specified side only)
FA: 275/45 R20 110V XL
RA: 305/40 R20 112V XL
Michelin Pilot Sport A/S 3 N0
(Inside/Outside, mounting on
specified side only)
Pirelli Scorpion Verde A/S N1
(asymmetrical, Inside/Outside,
mounting on specified side only)
Cayenne Turbo
FA: 285/40 R21 109V XL
RA: 315/35 R21 111V XL
Pirelli Scorpion Verde A/S N0
(asymmetrical, Inside/Outside,
mounting on specified side only)
FA: 275/45 R20 110V
RA: 305/40 R20 112V
Michelin Pilot Sport A/S 3 N0
(Inside/Outside, mounting on
specified side only)
Pirelli Scorpion Verde A/S N0
(asymmetrical, Inside/Outside,
mounting on specified side only)
Cayenne PHEV
FA: 285/40 R21 109V XL
RA: 315/35 R21 111V XL
Pirelli Scorpion Verde A/S N0
(asymmetrical, Inside/Outside,
mounting on specified side only)
FA: 255/55 R19 111V XL
RA: 275/50 R19 112V XL
Michelin Pilot Sport A/S 3 N0
(asymmetrical, Inside/Outside,
mounting on specified side only)
Pirelli Scorpion Verde A/S N0
(asymmetrical, Inside/Outside,
mounting on specified side only)
FA: 275/45 R20 110V
RA: 305/40 R20 112V
Michelin Pilot Sport A/S 3 N0
(Inside/Outside, mounting on
specified side only)
Pirelli Scorpion Verde A/S N0
(asymmetrical, Inside/Outside,
mounting on specified side only)
FA: 285/40 R21 109V XL
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Pirelli Scorpion Verde A/S N0
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RA: 315/35 R21 111V XL
(asymmetrical, Inside/Outside,
mounting on specified side only)
Information
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.
Information
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.
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° F/7°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 minimum
pressure.

Check age of tires. Replace tires that are more than 6 years old.

Perform visual inspections.

Use only tires recommended by Porsche.
Tire Pressure:
Information
The tire pressure applies only to the tire makes and types approved by Porsche, and is specified for cold
tires (approx. 68° F/20°C ). The tire pressures must never be lower than the specified values.
Standard tire pressure
Jan 17, 2019
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Cayenne (9YA)
Technical Information
Cayenne,
Cayenne S
36/18
Part load
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Full load
Front axle
Rear axle
Front axle
Rear axle
19, 20, 21,
22-inch summer
tires
2.4 bar
(35 psi)
2.6 bar
(38 psi)
2.6 bar
(38 psi)
2.8 bar
(41 psi)
19, 20, 21-inch
winter/allseason tires
2.4 bar
(35 psi)
2.6 bar
(38 psi)
2.6 bar
(38 psi)
2.8 bar
(41 psi)
Cayenne Turbo
Part load
Full load
Front axle
Rear axle
Front axle
Rear axle
21-inch summer
tires
2.6 bar
(38 psi)
2.6 bar
(38 psi)
2.7 bar
(39 psi)
2.9 bar
(42 psi)
22-inch summer
tires
2.7 bar
(39 psi)
2.8 bar
(41 psi)
2.9 bar
(41 psi)
3.3 bar
(48 psi)
20, 21-inch
winter/allseason tires
2.6 bar
(38 psi)
2.6 bar
(38 psi)
2.7 bar
(39 psi)
2.9 bar
(42 psi)
Part load
Cayenne PHEV
Full load
Front axle
Rear axle
Front axle
Rear axle
19, 20, 21-inch
summer tires
2.6 bar
(38 psi)
2.7 bar
(39 psi)
2.8 bar
(41 psi)
3.0 bar
(44 psi)
22-inch summer
tires
2.6 bar
(38 psi)
2.7 bar
(39 psi)
2.8 bar
(41 psi)
3.1 bar
(45 psi)
19, 20, 21-inch
winter/allseason tires
2.6 bar
(38 psi)
2.7 bar
(39 psi)
2.8 bar
(41 psi)
3.0 bar
(44 psi)
WARNING
Driving at high speed with low tire pressure
•
Irreparable damage to tires

Set Comfort air pressure for tires only on vehicles with Tire Pressure Monitoring (TPM) and “Comfort”
selected in the "Tire pressure" main menu in the multi-function display.
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Information
The permitted speed threshold for Comfort tire pressure depends on the vehicle's country equipment
(c-option) and cannot be selected.
Information
The permitted speed threshold for Comfort tire pressure depends on the vehicle's country equipment
(c-option) and cannot be selected.
Comfort tire
pressure up to
100 mph (160
km/h):
Comfort tire pressure up to 100 mph (160 km/h)
For vehicles with "Comfort pressure” selected in the Tire Pressure Monitoring (TPM) system and speed
threshold "160 km/h" ("100 mph").
Cayenne,
Cayenne S
Front axle
Rear axle
19, 20, 21-inch
summer/winter/all-season tires
2.2 bar
(32 psi)
2.4 bar
(35 psi)
2.4 bar
(35 psi)
2.4 bar
(35 psi)
2.4 bar
(35 psi)
2.5 bar
(36 psi)
Cayenne Turbo
21-inch
summer/winter/all-season tires
Cayenne PHEV)
19, 20, 21-inch
summer/winter/all-season tires
WARNING
Incorrectly installed snow chains
•
Uncontrollable vehicle handling

Do not exceed the maximum speed of Speed 30 mph/50 km/h.

Observe installation instructions from the chain manufacturer.
Snow Chains:
Jan 17, 2019
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Porsche offers the following snow chains as accessories:
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Cayenne (9YA)
Technical Information
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Tire size
ENU
4400
4
Porsche Part No.
for all winter and all-season — RA only
21-inch all-season tires are not approved for fitting
snow chains
9Y0044690A
Snow-chain clearance is only guaranteed for the tires specified above. Can only be fitted on the rear
wheels.
Wheel Storage: Tires must be stored in a cool, dry and dark room with adequate ventilation. Tires must never come into
contact with fuel, oil, grease or chemicals. Do not store summer tires in storage areas with ambient
temperatures of less than 5° F (-15° C).
Complete wheels can be stacked for storage; we recommend that you increase the tire pressure by
approx. 0.4 bar.
If the tires are not mounted on wheels, it is best to store them in a vertical position. We recommend that
you turn tires stored in this position every two weeks in order to prevent flat spots. Tires that are stacked
in a horizontal position will become severely deformed and cannot be seated properly in the rim flange
when they are mounted.
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 page 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 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° or 120° 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 smoothness (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.
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Cayenne (9YA)
4400
ENU
Technical Information
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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 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, 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 that 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 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.
Important Notice: Technical Bulletins issued by Porsche Cars North America, Inc. are intended only for use by professional automotive technicians who have attended Porsche service training
courses. They are written to inform those technicians of conditions that may occur on some Porsche vehicles, or to provide information that could assist in the proper servicing of a vehicle. Porsche special
tools may be necessary in order to perform certain operations identified in these bulletins. Use of tools and procedures other than those Porsche recommends in these bulletins may be detrimental to the
safe operation of your vehicle, and may endanger the people working on it. Properly trained Porsche technicians have the equipment, tools, safety instructions, and know-how to do the job properly and
safely. Part numbers listed in these bulletins are for reference only. The work procedures updated electronically in the Porsche PIWIS diagnostic and testing device take precedence and, in the event of a
discrepancy, the work procedures in the PIWIS Tester are the ones that must be followed.
© 2019 Porsche Cars North America, Inc.
Jan 17, 2019
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