NHTSA ID Number: 11020810
Manufacturer Communication Number: PIP6031B
TSB/Document Date: 2025-07-23
Summary
This PI addresses leaks from the case half and provides repair direction to dealer technicians
Bulletin No.: PIP6031B
Service Bulletin
Date: July, 2025
PRELIMINARY INFORMATION
Subject:
Brand:
CVT Transmission Leaks From Case Half
Model:
Model Year:
from
VIN:
to
from
Engine:
to
Encore GX
2022 - 2026
All
All
All
MRG
Equinox
2025-2026
All
All
All
MRQ
Malibu
2022 - 2026
All
All
All
MRG
Trailblazer
2022 - 2026
All
All
All
MRG
Terrain
2025-2026
All
All
All
MRQ
Involved Region or Country
North America
Condition
Transmission leaks from the case half.
Cause
Machining Imperfection on the case.
Correction
Some Customers may comment on a leak from the transmission.
Technicians may find a leak coming from the case halves.
Now that tool GM-52317 is available we can separate the case and repair.
If a leak is found in this location, then follow the video in the Emerging issues 10224.07V in Center of Learning (US
Dealers) or 57550.01V (Canadian Dealers) to separate the case halves.
Separate the Case halves and inspect for Machining Imperfection.
Machining Imperfection as seen below can be repaired by block sanding the case with either 400 or 600 grit
sandpaper then replacing the gasket.
Note: When sanding the case attention must be paid to prevent taking off too much material, all that needs to be
done is to remove the machining damage to the case.
Copyright 2025 General Motors
. All Rights Reserved.
Page 2
July, 2025
Bulletin No.: PIP6031B
6750270
6782719
Once reassembled please drive the vehicle and re inspect for leaks.
Warranty Information
For vehicles repaired under the Powertrain coverage, use the following labor operation. Reference the Applicable
Warranties section of Investigate Vehicle History (IVH) for coverage information.
Note: If machining imperfections are found a second line will need to be added to the repair order to use labor
operation 8481128.
Bulletin No.: PIP6031B
Labor
Operation
July, 2025
Description
Page 3
Labor Time
8464670
Transmission Replacement Use
Published
Time
8481128*
Repair machining
imperfection by block
sanding
0.2
*This is a unique Labor Operation for Bulletin use only.
Version
3
Modified
12/11/2024 - Created on.
06/09/2025 - Updated to include COL course 57550.01V for Canadian Dealers and the
2025 GMC Terrain and Labor Operation and Models.
07/16/2025 - Update to Warranty section.
GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these
technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper
service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job
properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your
vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the
information.
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TSB/Document ID: PIP6031B
Replacement Service Bulletin Number:
MFR Communication Date: 2025-07-17
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: UNKNOWN OR OTHER
MFR Component System:
MFR Component Subsystem:
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