PIE0748

Subject:
Engineering Information - (EI Lite) - (Pictures Only) Coolant Leak from the Coolant Control Valve (CCV)
Attention:
Proceed with this EI LITE 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. EI LITE Proceed with this EI Lite 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 this PIE and
proceed with diagnostics found in published service information. This EI Lite is asking ONLY to submit the
description of the issue and pictures/video using the Field Product Reporting (FPR) App (reference bulletin 02-00-89002). 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:
Model:
Buick
Encore GX
Chevrolet
Trailblazer (VIN M)
Model Year:
VIN Breakpoint:
from
to
from
to
2023
2023
—
—
Engine:
Transmission:
Equipped with 1.3L
(RPO L3T)
—
Involved Region or Country
U.S. Dealers ONLY
Condition
Important: If the customer did not bring their vehicle in for this concern, DO NOT proceed with this EI Lite.
Some customers may comment on coolant found under the vehicle.
Note: Note: Instructions to load the FPR App to your phone and other detailed instructions can be found in
the latest version of Bulletin 02-00-89-002 (U.S. Dealers).
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 where a customer comments on a coolant leak that drives a warrantable item type of repair on any of the listed Models shown above,
use the Field Product Reporting (FPR) App, take pictures of the issue (per details below), fill out required fields (including adding PIE number PIE0748 in the
Condition Field) and submit.
Note: Note: GM has updated the Field Product Reporting App, and it is now part of the “Certified Service Mobile Toolbox” (CSMT) Instructions to
load the App to your phone and other detailed instructions can be found in the latest version of Bulletin 02-00-89-002 (U.S. Dealers).
1.
Take clear close-up photos of the issue area.
1
Note: Use colored tape or other type of stick-on marker can be used to indicate area of concern
Warranty Information
If a Field Product Report is submitted, use:
Labor Operation
Description
Labor Time
4089018*
Engineering Information - (EI Lite) - (Pictures Only) Coolant Leak From the
(CCV)
0.3 Hrs.
*This is a unique Labor Operation for bulletin use only.
Version
1
Modified
Released May 08, 2023
2