PIE0691

Subject:
Engineering Information - Transmission Fluid Leak Coming from the Front of the Transmission
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 Service Bulletin 04-00-89-053 for more details on the use of
Engineering Information bulletins.
Brand:
Model:
Model Year:
Chevrolet
Silverado 2500HD/3500HD
GMC
Sierra 2500HD/3500HD
VIN:
from
to
from
to
2022
2022
—
—
Engine:
Transmission:
Equipped with
6.6L Engine
(RPO L5P)
Equipped with 10 SPD
Transmission (RPOs
MGM, MGU)
Involved Region or Country
North America
Condition
Important: If the customer did not bring their vehicle in for this concern, DO NOT proceed with this EI.
Some customers may comment on transmission fluid coming from the front of the transmission.
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.
Cause
Correction
If you encounter a vehicle with the above concern, inspect for fluid leaking from the front of the transmission and that transmission fluid is present at the bellhousing
inspection cover.
Make no repair attempts PRIOR to calling one of the engineers listed below first to confirm the area where fluid is leaking.
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 engineer was contacted or required information was provided, use:
Labor Operation
Description
Labor Time
8486128*
Engineering Information - Transmission Fluid Leak Coming from the Front of the
Transmission
0.3 hrs.
1
*This is a unique Labor Operation for bulletin use only.
Version
1
Modified
Released April 19, 2022
2