| Subject: | Information on Corvette and Camaro ZL1 Exhaust Tone During Wide Open Throttle while in Sport or Track Modes |
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Brand: |
Model: |
Model Year: |
VIN: |
Engine: |
Transmission: | ||
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from |
to |
from |
to | ||||
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Chevrolet |
Camaro Corvette |
2015 |
2017 |
LT4 |
All |
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Involved Region or Country |
North America and N.A. Export Regions |
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Additional Options (RPOs) |
Equipped with 8 CYL, 6.2L Engine (RPO LT4) |
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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. |
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Cause |
The exhaust sound heard during the wide open throttle maneuver is normal. |
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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. |
No parts are needed for this concern.
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.
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Version |
1 |
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Modified |
Article ID: 1335
Created: March 18, 2017
Last Updated: March 18, 2017
Online URL: https://www.corvetteactioncenter.com/tech/knowledgebase/article/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-1335.html