PIE0767

Subject:
Engineering Information – Noise Heard from Transmission Area
Attention:
Proceed with this EI ONLY if the customer has commented about this concern AND the PIE number is listed in the
Global Warranty Management / Investigate History link (GWM/IVH). If the customer has not commented about this
condition or the EI does not show in GWM/IVH, disregard the PIE, and proceed with diagnostics found in published
service information. THIS IS NOT A RECALL. Refer to the latest version of Service Bulletin 04-00-89-053 for more
details on the use of Engineering Information bulletins.
Brand:
Chevrolet
Model:
Corvette
Model Year:
VIN Breakpoint:
from
to
from
to
2023
2024
—
—
Engine:
Transmission:
—
Equipped with 8–SPD
Automatic (RPO M1L)
Involved Region or Country
U.S. Dealers ONLY
Condition
Some customers may comment on a noise heard coming from the transmission area.
Cause
GM Engineering is attempting to determine the root cause of the above condition. Engineering has a need to
gather information on vehicles PRIOR to repair that may exhibit this condition. As a result, this information will
be used to "root cause" the customer's concern and develop/validate a field fix.
Correction
Important: Service agents must comply with all International, Federal, State, Provincial, and/or Local laws applicable to the activities it performs
under this bulletin, including but not limited to handling, deploying, preparing, classifying, packaging, marking, labeling, and shipping
dangerous goods. In the event of a conflict between the procedures set forth in this bulletin and the laws that apply to your dealership, you must
follow those applicable laws.
If you encounter a vehicle with the above concern, perform PICO scope NVH data recording and contact one of the engineers listed below BEFORE making
any repairs.
Note: Attempt to maintain a constant speed in the noise area when documenting with PICO and bookmark the area.
Refer to Service Bulletin # 21-NA-049 in SI.
Contact Information
The Contact Information has been redacted.
Please include the following information if leaving a message:
–
Technician name
–
Dealer name and phone number
–
Complete VIN and repair order (R.O) number
On the repair order, document the date and time the call was placed (even if the engineer was not reached).
If engineering is unable to return the call within one hour, proceed with diagnosis and repair based on information found in SI.
Warranty Information
If an engineer was contacted or required information was provided, use:
Labor Operation
Description
1
Labor Time
8486378*
Engineering Information - Noise Heard from Transmission Area
*This is a unique Labor Operation for bulletin use only.
Version
1
Modified
Released November 14, 2023
2
1.0 hr