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2017 - 2018 Corvette: Service Bulletin: #16-NA-296: Tire Performance and Characteristics

#16-NA-296: Tire Performance and Characteristics - (Jun 9, 2017)

Subject Tire Performance and Characteristics

Brand:

Model:

Model Year:

VIN:

Engine:

Transmission:

from

to

from

to

Buick

Cascada, LaCrosse, Regal

2017

2017

       

Cadillac

ATS, ATS-V, CT6, CTS, CTS-V, XT5

2017

2018

Cadillac

XTS

2017

2017

Chevrolet

Bolt EV, Cruze (VIN B), Impala, SS, Sonic

2017

2017

Chevrolet

Camaro, Corvette

2017

2018

GMC

Acadia

2017

2018

Involved Region or Country

North America and N.A. Export Regions

Every new GM vehicle has high-quality tires made by a leading tire manufacturer. See the owner’s manual for information regarding the tire warranty and where to get service. For additional information refer to the tire manufacturer.

The chart included in this bulletin lists vehicles that have been equipped with special tires that are categorized by High Performance Summer, Competition Oriented Summer, RunFlat All-Season, RunFlat Summer, and Sealant. These tire types have been optimized for specific performance attributes and as a result have special considerations that need to be understood and followed.

It is important that the dealership identify these tires to its customers and provide proper counsel to them on usage and limitations consistent with this bulletin.

SUMMER TIRES
 
High Performance Summer Tires (see “Summer Tire” column in chart)

Many General Motors high performance models come factory equipped with tires that are optimized for maximum dry and wet road performance while still retaining satisfactory tread life, excellent durability and low noise levels. In winter climates where snowfall may occur these tires may be found to provide less traction. Winter tires are a viable alternative that may greatly enhance winter driving.

Cold Weather Operation

Important: Customers need to know that their vehicle is equipped with a high performance summer tire that will have reduced traction performance at temperatures below approximately 5°C (40°F). It is recommended that suitable winter tires (if available) be installed below this temperature. All of these tires are not intended to be driven on snow or icy road surfaces.

The rubber used in these tires loses flexibility and may develop surface cracks (1) in the tire tread/shoulder area at colder temperatures. Refer to the photos below for examples.

Important: While the cracking will not result in air loss, it is damaging to the tire. Tires that have been used in cold climates and exhibit tread cracks should be discarded. This is not a warrantable item if the customer has driven the car in temperatures below approximately 5°C (40°F).

Tire Surface Cracks





Surface cracks are cosmetic and will not result in a loss of air, however special tread and compounds used on these performance tires will cause a decrease in performance in cold climates. Driving with high performance summer tires on snow, ice or cold road surfaces may cause loss of control.

Refer to the latest version of Corporate Bulletin Number 04-03-10-013: Driving Characteristics of Rear Wheel Drive Vehicles and Available Winter Tires for further information on available replacement winter tires for cold climate operation. Additionally, dealers in the United States may call the GM Tire Program at 877-728-4737 for help with late season tire availability or substitutions.

Competition Oriented Summer Tires (see “Competition Tire” column in chart)

For vehicles repaired under the Bumper-to-Bumper coverage (Canada Base Warranty coverage), use the following labor operation. Reference the Applicable Warranties section of Investigate Vehicle History (IVH) for coverage information.

Competition oriented tires are DOT approved for street use, but primary use would for track events and competitive driving. Competition oriented tires use a special tread pattern and compound that provide more grip than normal road tires. The minimum tread depth will be reached earlier than typical tires, resulting in reduced tire life. This special tread pattern and compound will have decreased performance in cold climates, heavy rain, and standing water. It is recommended that winter tires be installed on the vehicle when driving at temperatures below approximately 10°C (50°F) or on ice or snow covered roads. Refer to the latest version of Corporate Bulletin Number 04-03-10-013 for additional information on winter tires.

Important: Driving on wet roads, in heavy rain, or through standing water with competition oriented tires may cause hydroplaning and loss of control. Use extreme caution and drive slowly on wet roads. Driving with competition oriented tires on snow, ice, or cold road surfaces can cause loss of control or an accident. Competition oriented tires are summer season tires and are not intended to be driven on snow, ice, or road surfaces below 10°C (50°F). Do not drive a vehicle equipped with competition oriented tires in these conditions.

Important: Track courses put high loads on tires operating at high speed, which can lead to tire failure if not inflated properly. Refer the customer to the vehicle specific owner’s manual for specific information on track usage.

Cold Weather Operation

Important: Competition oriented tires have rubber compounds that lose flexibility and may develop surface cracks in the tread area at temperatures below -7°C (20°F). Always store competition oriented tires indoors and at temperatures above -7°C (20°F) when not in use. If the tires have been subjected to -7°C (20°F) or less, let them warm up in a heated space to at least 10°C (50°F) for 24 hours or more before being installed or driving a vehicle on which they are installed. Do not apply heat or blow heated air directly on the tires. Always inspect tires before use.

Tire Surface Cracks


Surface cracks are cosmetic and will not result in a loss of air, however special tread and compounds used on these performance tires will cause a decrease in performance in cold climates. Driving with high performance summer tires on snow, ice or cold road surfaces may cause loss of control.

Refer to the latest version of Corporate Bulletin Number 04-03-10-013: Driving Characteristics of Rear Wheel Drive Vehicles and Available Winter Tires for further information on available replacement winter tires for cold climate operation. Additionally, dealers in the United States may call the GM Tire Program at 877-728-4737 for help with late season tire availability or substitutions

Summer Tire Storage

It is recommended that High Performance and Competition Oriented Summer tires are stored indoors at temperatures above -7°C (20°F) when not in use. If the tires have been subjected to -7°C (20°F) or less, let them warm up in a heated space to at least 5°C (40°F) for 24 hours or more before being installed or driving a vehicle on which they are installed. Inflate the tires only after they have been warmed above 5°C (40°F). Do not place tires near heaters or heating devices used to warm the room where the tires are stored. Do not apply heat or blow heated air directly on the tires. Always inspect tires before use after being stored.

Run Flat Tires (see “Run Flat” column in chart)

Vehicles equipped with Run Flat tires typically do not come equipped with a spare tire, tire changing equipment, or place to store a tire in the vehicle.

Run-flat tires can be driven on with no air pressure. There is no need to stop on the side of the road to change the tire. Continue driving; however, do not drive too far or too fast. Driving on the tire may not be possible if there is permanent damage. To prevent permanent damage, the tire can be driven with no air pressure for up to 80 km (50 mi) at speeds slower than 80 km/h (50 mph). As soon as possible, contact the nearest Chevrolet, Buick, GMC or Cadillac Dealership for inspection and repair or replacement.

When driving on a deflated run-flat tire, avoid potholes and other road hazards that could damage the tire and/or wheel beyond repair. When a tire has been damaged, or if driven any distance while on a deflated. run-flat tire, check with an authorized GM servicing facility to determine whether the tire can be repaired or should be replaced. To maintain the run-flat feature, all replacement tires must be run-flat tires.

To locate the nearest Chevrolet, Buick, GMC or Cadillac Dealership, call Customer Assistance.

Self Sealing Tires (see “Self Sealing” column in chart)

Vehicles equipped with Self Sealing tires typically do not come equipped with a spare tire, tire changing equipment, or place to store a tire in the vehicle.

Self sealing tires have a material contained inside the tire that can seal punctures up to 6 mm (0.25 in) in the tread area. The tire may lose air pressure if the sidewall is damaged or if the tread puncture is too large. If the Tire Pressure Monitor System indicates the tire pressure is low, inspect the tire for damage and inflate it to the recommended pressure. If the tire is unable to maintain the recommended pressure, contact the nearest Chevrolet, Buick, GMC or Cadillac Dealership immediately for inspection and repair or replacement. To locate the nearest GM servicing facility, call GM Customer Assistance.

Important: Self sealing tires are not like run flats and can not be driven with no air pressure. Do not drive on a deflated self-sealing tire as this could damage the tire. Make sure the tire is inflated to the recommended pressure or have it immediately repaired or replaced.

When tire replacement is needed replace with a self-sealing tire, because the vehicle typically does not come with a spare tire or tire changing equipment.

Low Profile Tires (see “Low Profile” column in the chart)

Low profile tires is a classification of tire based on the tire’s dimensions. These tires have a shorter sidewall or a lower aspect ratio than standard profile tires.

Important: Low-profile tires are more susceptible to damage from road hazards or curb impact than standard profile tires. Tire and/or wheel assembly damage can occur when coming into contact with road hazards like, potholes, or sharp edged objects, or when sliding into a curb. The GM Vehicle warranty does not cover this type of damage. Keep tires set to the correct inflation pressure and when possible, avoid contact with curbs, potholes, and other road hazards.

Tire Usage Chart for Bulletin

Note: Some tires may not be available in all markets.

Name Plate

Model

Tire Size

Service Desc.

Tread Type

Supplier Name

Tire Trade Name

RPO

Summer Tire

Competition Oriented

Run Flat

Self Seal Tire

Low Profile

Buick

Regal GS

255/35ZR20

(97Y)

HW4

Pirelli

P Zero

QI9

Y

     

Y

Cadillac

XTS

P245/40R20

95V

AL3

Bridgestone

Potenza RE97AS

RAL

       

Y

Chevrolet

Impala

P245/40R20

95V

AL3

Bridgestone

Potenza RE97AS

RAL

       

Y

Buick

Cascada

P245/40R20

95V

AL3

Bridgestone

Potenza RE97AS

RAL

       

Y

Chevrolet

Chev SS

245/40R19

98Y

HW4

Bridgestone

Potenza RE050A

RJ8

Y

     

Y

Chevrolet

Chev SS

275/35R19

100Y

HW4

Bridgestone

Potenza RE050A

RJ8

Y

     

Y

Cadillac

ATS

225/35R19

88Y

RF4

Bridgestone

Potenza RE050A RFT

RJP, SD2

Y

 

Y

 

Y

Cadillac

ATS

255/30R19

91Y

RF4

Bridgestone

Potenza RE050A RFT

RJP, SD2

Y

 

Y

 

Y

Cadillac

ATS

225/40R18

92V

RF3

Michelin

Primacy MXM4 ZP

RB7

   

Y

 

Y

Cadillac

ATS

225/40RF18

88W

RF4

Bridgestone

Potenza RE050A RFT

QFN

Y

 

Y

 

Y

Cadillac

ATS

255/35RF18

90W

RF4

Bridgestone

Potenza RE050A RFT

QFN

Y

 

Y

 

Y

Cadillac

ATS

P225/45R17

90V

RF3

Michelin

Primacy MXM4 ZP

RA6

   

Y

   

Cadillac

ATS - Coupe

225/40RF18

88W

RF4

Bridgestone

Potenza RE050A RFT

QFN, XBZ

Y

 

Y

 

Y

Cadillac

ATS - Coupe

255/35RF18

90W

RF4

Bridgestone

Potenza RE050A RFT

QFN, XBZ

Y

 

Y

 

Y

Cadillac

ATS - Coupe

255/35R18

90V

RF3

Continental

Pro Contact RX

QLC

   

Y

 

Y

Cadillac

ATS - Coupe

225/40R18

88V

RF3

Continental

Pro Contact RX

QLC

   

Y

 

Y

Cadillac

ATS-V

255/35ZR18

(94Y)

HW4

Michelin

Pilot SuperSport

R65, XB0

Y

     

Y

Cadillac

ATS-V

275/35ZR18

(99Y)

HW4

Michelin

Pilot SuperSport

R65, XB0

Y

     

Y

Cadillac

ATS-V Coupe

255/35ZR18

(94Y)

HW4

Michelin

Pilot SuperSport

R65, XB0

Y

     

Y

Cadillac

ATS-V Coupe

275/35ZR18

(99Y)

HW4

Michelin

Pilot SuperSport

R65, XB0

Y

     

Y

Cadillac

CTS

P245/45RF17

(95V)

RF3

Bridgestone

Potenza RE97 AS RFT

RHN

   

Y

   

Cadillac

CTS

P245/40R18

(93V)

RF3

Pirelli

P-Zero Nero A/S R-F

RHP

   

Y

 

Y

Cadillac

CTS

255/35R19

(96V)

RF3

Pirelli

P7 All Season R-F

RHS, SD2

   

Y

 

Y

Cadillac

CTS

245/40R18

(93Y)

RF4

Pirelli

P-Zero R-F

RKK, RMO

Y

 

Y

 

Y

Cadillac

CTS

275/35R18

(95Y)

RF4

Pirelli

P-Zero R-F

RKK

Y

 

Y

 

Y

Cadillac

CTS-V

265/35ZR19

(98Y)

HW4

Michelin

Pilot SuperSport

R64, XB6

Y

     

Y

Cadillac

CTS-V

295/30ZR19

(100Y)

HW4

Michelin

Pilot SuperSport

R64, XB6

Y

     

Y

Chevrolet

Camaro

245/40R20

95V

RF3

Goodyear

Eagle F1 Asymmetric A/S RoF

R29

   

Y

 

Y

Chevrolet

Camaro

245/40ZR20

95Y

RF4

Goodyear

Eagle F1 Asymmetric 3 RoF

R0F

Y

 

Y

 

Y

Chevrolet

Camaro

275/35ZR20

98Y

RF4

Goodyear

Eagle F1 Asymmetric 3 RoF

R0F

Y

 

Y

 

Y

Chevrolet

Camaro LT

245/50/R18

100V

AL3

Goodyear

Eagle Sport A/S

R0H

       

Y

Chevrolet

Camaro LT

245/40/R20

95V

RF3

Goodyear

Eagle F1 Asymmetric A/S EMT

R29

   

Y

 

Y

Chevrolet

Camaro LT 1LE

275/35/ZR20 (Rear)

98Y

RF4

Goodyear

Eagle F1 Asymmetric 3 RoF

R0F

Y

 

Y

 

Y

Chevrolet

Camaro SS 1LE, ZL1

285/30/ZR20 (Front)

(95Y)

HW4

Goodyear

Eagle F1 SuperCar

R0G

Y

     

Y

Chevrolet

Camaro SS 1LE, ZL1

305/30/ZR20 (Rear)

(99Y)

HW4

Goodyear

Eagle F1 SuperCar

R0G

Y

     

Y

Chevrolet

Camaro ZL1 1LE

305/30/R19 (Front)

(98Y)

HW5

Goodyear

Eagle F1 SuperCar 3R

R6O

Y

     

Y

Chevrolet

Camaro ZL1 1LE

325/30/ZR19 (Rear)

(101Y)

HW5

Goodyear

Eagle F1 SuperCar 3R

R6O

Y

     

Y

Chevrolet

Cruze

P225/40R18

88V

AL3

Michelin

Primacy MXM4

REW

       

Y

G2KX-Z

Bolt

215/50R17

91H

ALS-S

Michelin

Energy Save A/S

QBM

     

Y

 

G2KX-Z

Bolt

215/50R17

91H

HW1-S

Michelin

Primacy 3

QBW

Y

   

Y

 

Chevrolet

SONIC

215/45ZR18

93Y

AL3

Continental

ExtremeContact DWS

R0M

       

Y

Cadillac

CT6

245/40R20

95W

AL3

Goodyear

Eagle Touring

QP1

       

Y

Cadillac

CT6

245/40ZR20XL

(99Y)

HW4

Pirelli

P Zero

RE2

Y

     

Y

Cadillac

CT6

245/40ZR20

99Y

HW4

Pirelli

P Zero

5EH

Y

     

Y

Cadillac

XT5

235/55R20

102W

HW4

Continental

Cross Contact UHP

QJO

Y

       

Cadillac

XT5

235/65R18

106H

HW3

Michelin

 Primacy SUV

R93

Y

       

GMC

Acadia

235/55R20

102W

HW4

Continental

Cross Contact UHP

QJO

Y

       

GMC

Acadia

235/65R18

106H

HW3

Michelin

 Primacy SUV

R93

Y

       

Chevrolet

Corvette

P245/40ZR18

(93Y)

RF4

Michelin

Pilot SuperSport zp

XBK

Y

 

Y

 

Y

Chevrolet

Corvette

P285/35ZR19

(99Y)

RF4

Michelin

Pilot SuperSport zp

XBK

Y

 

Y

 

Y

Chevrolet

Corvette

P285/30ZR19

(94Y)

RF4

Michelin

Pilot SuperSport zp

XFK

Y

 

Y

 

Y

Chevrolet

Corvette

P335/25ZR20

(99Y)

RF4

Michelin

Pilot SuperSport zp

XFK

Y

 

Y

 

Y

Chevrolet

Corvette

P285/30ZR19

(94Y)

RF5

Michelin

Pilot Sport Cup2 zp

XFM

Y

Y

Y

 

Y

Chevrolet

Corvette

P245/35ZR19

(89Y)

RF4

Michelin

Pilot SuperSport zp

XFJ

Y

 

Y

 

Y

Chevrolet

Corvette

P285/30ZR20

(95Y)

RF4

Michelin

Pilot SuperSport zp

XFJ

Y

 

Y

 

Y

Chevrolet

Corvette

P335/25ZR20

(99Y)

RF5

Michelin

Pilot Sport Cup2 zp

XFM

Y

Y

Y

 

Y

Buick

LaCrosse

P245/40R20

95V

AL3

Bridgestone

Potenza RE97AS

RAL

       

Y

Customer Information

Please share this information with the customer, including a copy of this message.

Version

2

Modified

June 9, 2017 – Added the 2018 Model Year to select vehicles and updated the Camaro information in the Tire Usage Chart.

 

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