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2015 - 2017 Corvette Z06: Service Bulletin: #17-NA-078: Information on Corvette and Camaro ZL1 Exhaust Tone During Wide Open Throttle while in Sport or Track Modes

#17-NA-078: Information on Corvette and Camaro ZL1 Exhaust Tone During Wide Open Throttle while in Sport or Track Modes - (Mar 17, 2017)

Subject Information on Corvette and Camaro ZL1 Exhaust Tone During Wide Open Throttle while in Sport or Track Modes

Brand:

Model:

Model Year:

VIN:

Engine:

Transmission:

from

to

from

to

Chevrolet

Camaro

Corvette

2015

2017

 

LT4

All

 

Involved Region or Country

North America and N.A. Export Regions

Additional Options (RPOs)

Equipped with 8 CYL, 6.2L Engine (RPO LT4)

Condition

Some customers may comment on that they hear a "pop" or "backfire" sound from the exhaust while performing a wide open throttle maneuver while in Sport or Track driving modes.

Cause

The exhaust sound heard during the wide open throttle maneuver is normal.

Correction

No repairs should be performed if there are no diagnostic codes, and the exhaust sound that the customer noticed goes away when the driver mode is selected to any other driver mode other than Sport or Track.

Parts Information

No parts are needed for this concern.

Customer Information

Please communicate to the customer this condition is a normal characteristic of their vehicle. It will not impact the designed performance or reliability of the vehicle. Please share this information with the customer, including a copy of this bulletin. 

Version

1

Modified

 
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