TECHNICAL SERVICE BULLETIN
Harsh/Delayed Engagement And/Or Harsh/Delayed Shift

26-2046
13 February 2026

This bulletin supersedes 25-2611. Reason for update: updated root cause, revised Parts List to change the part number for the transmission fluid heat exchanger bolt for Expedition/Navigator models and update claim and package quantities for HL3Z7B442-F and HL3Z-7B164-C
Model:
Ford
2022 Expedition

Built on or before 15-Aug-2022
Transmission: 10R80

2020-2022 Explorer

Built on or before 15-Aug-2022
Transmission: 10R80 (does not apply to 10R80 MHT)

2021-2022 F-150

Built on or before 15-Aug-2022
Transmission: 10R80 (does not apply to 10R80 MHT)

2021-2022 Mustang

Built on or before 15-Aug-2022
Transmission: 10R80

2020-2023 Transit

Built on or before 15-Aug-2022
Transmission: 10R80

Lincoln
2022 Navigator

Built on or before 15-Aug-2022
Transmission: 10R80

Markets: North American markets only
Issue: Some of the vehicles listed in the Model statement above may exhibit at least one of the following conditions:
• Harsh engagement
• Delayed engagement
• Harsh shift
• Delayed shift
• Illuminated MIL with DTCs P0751, P0752, P0756, P0757, P0761, P0762, P0766, P0767, P0771, P0772, P2700, P2701, P2702, P2703, P2704, P2705, P2707, P2708, P0729, P0731, P0732, P0733, P0734, P0735, P0736, P076F, P07D9,
P07F6 and/or P07F7 stored in the PCM or TCM
This may be due to PCM software and/or axial movement of the CDF clutch cylinder (7H351) sleeve causing hydraulic circuit leaks.
NOTE: If internal transmission service is required to address a concern detected with the CDF clutch cylinder following this article, technicians should carefully inspect and replace other transmission components and flush
transmission fluid cooler only as necessary to confirm proper function. Add a new line to the repair order to document any additional repairs needed. M-time can be claimed on the additional repair line to cover labor. Refer to Warranty
and Policy Manual for additional information. A thorough understanding of transmission description and operation will assist the technician with proper diagnosis, inspection, and successful repair of the customer concern.
NOTE: The Pressure Vacuum Transducer (PVT) Kit (Rotunda 164-R9833) and VCMM Transmission Extension Kit (Rotunda 164-R9534) recommended to perform this article are no longer included with the VCMM Advanced Kit (Rotunda
164-R9823) since July 2023. Supply of the PVT Kit (Rotunda 164-R9833) and VCMM Transmission Extension Kit (Rotunda 164-R9534) have been sold out. Ford has confirmed a high percentage (80%) of Dealers have this equipment
available. Alternatively, Ford has tested suitable transmission fluid pressure gauges and developed procedures which reliably enable the capability to perform this article. Refer to Table 1 in the Service Procedure. In addition, VCMM
Universal Probe Tip Adapter (Rotunda 164-R9834, or equivalent) is needed to perform this article. The Probe Tip Adapters are included in VCMM Advanced Kit (Rotunda 164-R9823).
Action: For vehicles that meet all of the criteria in the Issue and Model statements, follow the Service Procedure to reprogram the PCM, verify hydraulic circuit leakage and, if instructed, replace the CDF clutch cylinder and the planetary container
cylinder.
Parts - CDF Cylinder Replacement
Service Part Number Claim Quantity Package Order Quantity Number in Package Description
HL3Z-7G199-A

1

1

1

Auxiliary Pump Tube Seal (If Equipped With Stop/Start)

HL3Z-7A248-A

1

1

1

Torque Converter Seal

JL3Z-7N134-AA

12

1

12

Front Support Bolts

LC3Z-7H223-AA

12

1

12

Front Support Bolt Seals

HL3Z-7A248-G

1

1

1

Front Support To Case Seal

HL3Z-7G091-F

5

5

1

Input Shaft Seals (F2)

HL3Z-7B399-C

4

4

1

Sun Gear No. 3 Shaft Seals (F7)

HL3Z-7C099-A

1

1

1

C And D Clutch Balance Dam Inner Seal

HL3Z-7A548-B

2

2

1

C Clutch Balance Dam And Piston Outer Seal

HL3Z-7D404-A

2

2

1

C And D Clutch Piston Inner Seals

HL3Z-7A262-C

1

1

1

D Clutch Balance Dam

HL3Z-7D403-A

1

1

1

D Clutch Piston Outer Seal

HL3Z-7A548-G

2

2

1

F Clutch Balance Dam And Piston Outer Seal

HL3Z-7A548-A

2

2

1

F Clutch Balance Dam And Piston Inner Seal

HL3Z-7G091-G

5

5

1

Input Shaft To Sun Gear No. 3 Shaft Seals (F8)

HL3Z-7G091-C

1

1

1

Input Shaft Seal (F9)

JL3Z-7H351-B

1

1

1

CDF Cylinder (5.0L Mustang, Transit, 3.0L Explorer)

JR3Z-7H351-B

1

1

1

CDF Cylinder (3.3L Explorer, 2.3L Mustang)

ML3Z-7H351-B

1

1

1

CDF Cylinder (F-150/Expedition/Navigator)

PC3Z-7B177-A

1

1

1

Clutch And Planetary Container Cylinder

Parts - CDF Cylinder Replacement - Parts To Inspect And Replace Only If Necessary
Service Part
Number

Claim Quantity

Package Order Quantity

Number in
Package

Description

HL3Z-7A191-B

Only If Necessary (1 Possible)

Only If Necessary (1 Possible)

1

Fluid Pan Gasket

HL3Z-7A098-A

Only If Necessary (1 Possible)

Only If Necessary (1 Possible)

1

Fluid Filter (F150/Expedition/Navigator/Mustang/Explorer)

LK4Z-7G186-B

Only If Necessary (1 Possible)

Only If Necessary (1 Possible)

1

Fluid Filter (Transit)

7T4Z-7Z302-A

Only If Necessary (1 Possible)

Only If Necessary (1 Possible)

1

Fluid Filter Seal

HL3Z-7J227-A

Only If Necessary (1 Possible)

Only If Necessary (1 Possible)

1

Auxiliary Pump Tube O-ring (If Equipped)

HL3Z-7B066-AB

Only If Necessary (1 Possible)

Only If Necessary (1 Possible)

1

A Pressure Plate

HL3Z-7B164-E

Only If Necessary (3 Possible)

Only If Necessary (3 Possible)

1

A Clutch Friction Plates

HL3Z-7F220-A

Only If Necessary (2 Possible)

Only If Necessary (2 Possible)

1

A Clutch Steel Plates

HL3Z-7B442-F

Only If Necessary (Explorer Has 4 Possible, All Others Have 5 Possible)

Only If Necessary (Explorer 4 Possible, All Others 5 Possible)

1

C Clutch Steel Plates

HL3Z-7B164-A

Only If Necessary (Transit/Explorer Have 4 Possible, Mustang Has 5
Possible)

Only If Necessary (Transit/Explorer 4 Possible, Mustang 5
Possible)

1

ML3Z-7H095-A

Only If Necessary (5 Possible)

Only If Necessary (5 Possible)

1

C Clutch Friction Plates (F-150/Expedition/Navigator)

ML3Z-7B477-A

Only If Necessary (1 Possible)

Only If Necessary (1 Possible)

1

C Clutch Pressure Plate

HL3Z-7B442-D

Only If Necessary (Transit Has 5 Possible, All Others Have 6 Possible)

Only If Necessary (Transit 5 Possible, All Others 6 Possible)

1

D Clutch Steel Plates

HL3Z-7B164-C

Only If Necessary (6 Possible)

Only If Necessary (6 Possible)

1

D Clutch Friction Plates (Explorer/Transit/Mustang)

ML3Z-7B164-A

Only If Necessary (6 Possible)

Only If Necessary (6 Possible)

1

D Clutch Friction Plates (F-150/Expedition/Navigator)

HL3Z-7B066-E

Only If Necessary (1 Possible)

Only If Necessary (1 Possible)

1

D Clutch Pressure Plate

HL3Z-7B164-G

Only If Necessary (4 Possible)

Only If Necessary (4 Possible)

1

F Clutch Steel Plates

HL3Z-7B164-D

Only If Necessary (4 Possible)

Only If Necessary (4 Possible)

1

F Clutch Friction Plates

HL3Z-7B066-A

Only If Necessary (1 Possible)

Only If Necessary (1 Possible)

1

F Clutch Pressure Plate

Parts - 10R80 CDF Cylinder Replacement - Select One Of The Following If Needed
Service Part Number Claim Quantity Package Order Quantity Number in Package Description
HL3Z-7B066-AA

1

1

1

A Clutch Apply Plate 4.1-4.3 mm Selective

HL3Z-7B066-Z

1

1

1

A Clutch Apply Plate 4.4-4.6 mm Selective