NHTSA ID Number: 11032697
Manufacturer Communication Number: TSB 26-2226
TSB/Document Date: 2026-05-14
Summary
This bulletin supersedes 26-2046. Reason For Update: update the parts list to change the claim quantity of the C clutch friction plates (HL3Z-7B164-A
), C clutch steel plates (HL3Z-7B442-F), D clutch steel plates (HL3Z-7B442-D), add the rear driveshaft flange CV joint-to-pinion flange cup bolts and retaining straps (LK4Z-4B496-B) for Transit, and update the parts description for the transfer case fluids applicable for each vehicle line. Some of the vehicles listed in the Model statement above may exhibit all of the following conditions: * Harsh engagement * Delayed engagement * Harsh shift * Delayed shift * Illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTC) 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 powertrain control module (PCM) or transmission control module (TCM). This may be due to PCM software and/or axial movement of the CDF clutch cylinder (7H351) sleeve causing hydraulic circuit
TECHNICAL SERVICE BULLETIN
Harsh/Delayed Engagement And/Or Harsh/Delayed Shift
26-2226
08 May 2026
This bulletin supersedes 26-2046. Reason for update: update the parts list to change the claim quantity of the C clutch friction plates (HL3Z-7B164-A), C clutch steel plates
(HL3Z-7B442-F), D clutch steel plates (HL3Z-7B442-D), add the rear driveshaft flange CV joint-to-pinion flange cup bolts and retaining straps (LK4Z-4B496-B) for Transit, and
update the parts description for the transfer case fluids applicable for each vehicle line.
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 Description
HL3Z-7G199-A
1
Auxiliary Pump Tube Seal (If Equipped With Stop/Start)
1
Torque Converter Seal
JL3Z-7N134-AA
12
Front Support Bolts
LC3Z-7H223-AA
12
Front Support Bolt Seals
1
Front Support To Case Seal
5
Input Shaft Seals (F2)
4
Sun Gear No. 3 Shaft Seals (F7)
1
C And D Clutch Balance Dam Inner Seal
2
C Clutch Balance Dam And Piston Outer Seal
2
C And D Clutch Piston Inner Seals
1
D Clutch Balance Dam
1
2
F Clutch Balance Dam And Piston Outer Seal
2
F Clutch Balance Dam And Piston Inner Seal
HL3Z-7G091-G
5
Input Shaft To Sun Gear No. 3 Shaft Seals (F8)
1
Input Shaft Seal (F9)
1
CDF Cylinder (5.0L Mustang, Transit, 3.0L Explorer)
1
CDF Cylinder (3.3L Explorer, 2.3L Mustang)
1
CDF Cylinder (F-150/Expedition/Navigator)
PC3Z-7B177-A
1
Clutch And Planetary Container Cylinder
Parts - 10R80 CDF Cylinder Replacement - Select One Of The Following If Needed
Service Part Number Claim Quantity Description
1
A Clutch Apply Plate 4.1-4.3 mm Selective
1
A Clutch Apply Plate 4.4-4.6 mm Selective
1
A Clutch Apply Plate 4.7-4.9 mm Selective
1
A Clutch Apply Plate 5.0-5.2 mm Selective
1
A Clutch Apply Plate 5.3-5.5 mm Selective
1
T-3 Bearing (Replace If T-3 Shim Is Replaced)
1
T-3 Shim 3.05-3.15 mm Selective
1
T-3 Shim 3.2-3.3 mm Selective
1
T-3 Shim 3.35-3.45 mm Selective
1
T-3 Shim 3.5-3.6 mm Selective
1
T-3 Shim 3.65-3.75 mm Selective
1
T-3 Shim 3.8-3.9 mm Selective
1
T-3 Shim 3.95-4.05 mm Selective
1
T-3 Shim 4.1-4.2 mm Selective
1
T-3 Shim 4.25-4.35 mm Selective
1
D Clutch Snap Ring 1.8 mm Selective
1
D Clutch Snap Ring 2.0 mm Selective
1
D Clutch Snap Ring 2.2 mm Selective
1
D Clutch Snap Ring 2.4 mm Selective
1
D Clutch Snap Ring 2.6 mm Selective
1
D Clutch Snap Ring 2.8 mm Selective
1
C Clutch Snap Ring 1.5 mm Selective
1
C Clutch Snap Ring 1.7 mm Selective
1
C Clutch Snap Ring 1.9 mm Selective
1
C Clutch Snap Ring 2.1 mm Selective
1
C Clutch Snap Ring 2.3 mm Selective
1
C Clutch Snap Ring 2.5 mm Selective
1
F Clutch Snap Ring 1.5 mm Selective
1
F Clutch Snap Ring 1.7 mm Selective
1
F Clutch Snap Ring 1.9 mm Selective
1
F Clutch Snap Ring 2.1 mm Selective
1
F Clutch Snap Ring 2.3 mm Selective
Parts - CDF Cylinder Replacement - Parts To Inspect And Replace Only If Necessary
Service Part Number Claim Quantity
Description
Only If Necessary (1 Possible) Fluid Pan Gasket
Only If Necessary (1 Possible) Fluid Filter (F-150/Expedition/Navigator/Mustang/Explorer)
LK4Z-7G186-B
Only If Necessary (1 Possible) Fluid Filter (Transit)
7T4Z-7Z302-A
Only If Necessary (1 Possible) Fluid Filter Seal
Only If Necessary (1 Possible) Auxiliary Pump Tube O-ring (If Equipped)
Only If Necessary (1 Possible) A Pressure Plate
Only If Necessary (3 Possible) A Clutch Friction Plates
Only If Necessary (2 Possible) A Clutch Steel Plates
Only If Necessary (5 Possible) C Clutch Steel Plates
Only If Necessary (5 Possible) C Clutch Friction Plates (Explorer/Transit/Mustang)
Only If Necessary (5 Possible) C Clutch Friction Plates (F-150/Expedition/Navigator)
Only If Necessary (1 Possible) C Clutch Pressure Plate
Only If Necessary (6 Possible) D Clutch Steel Plates
Only If Necessary (6 Possible) D Clutch Friction Plates (Explorer/Transit/Mustang)
Only If Necessary (6 Possible) D Clutch Friction Plates (F-150/Expedition/Navigator)
Only If Necessary (1 Possible) D Clutch Pressure Plate
Only If Necessary (4 Possible) F Clutch Steel Plates
Only If Necessary (4 Possible) F Clutch Friction Plates
Only If Necessary (1 Possible) F Clutch Pressure Plate
Parts - F-150/Expedition/Navigator Transmission Removal And Installation
Service Part
Number
Claim Quantity
Description
7L1Z-4B496-C
2
CV Joint-To-Pinion Flange Cup Bolts And Retaining Straps
(4WD)
7L1Z-4B496-D
3
CV Joint-To-Transfer Case Flange Cup Bolts And Retaining
Straps (4WD Expedition/Navigator)
1
Self-Adhesive Heat Shield
1
Park Override Lever Bolt (Non-Column Shift
Expedition/Navigator)
ML3Z-3B478-B
1
Front Driveshaft Boot Clamp
Note
PL3Z-5C226-A
2
Left And Right Catalytic Converter Gasket (F-150
2.7L/3.5L, Expedition/Navigator)
N800594-S100
4 Or 8 (Flange Dependent)
Driveshaft Flange To Flange Bolts (F-150)
4 Or 8 (Flange Dependent)
Driveshaft Flange To Flange Bolts (Expedition/Navigator)
W520113-S440
4
Stabilizer Bar Bracket Nuts
4
Transmission Support Crossmember Nuts
W520514S440
4
W704980S439
1
W709771S440
2
3
W714418S439
4
W714682S442
1
W720882S442
1
Transmission Fluid Heat Exchanger Bolt
(Expedition/Navigator)
W715579S439
2
Driveshaft Center Bearing Bolt (If Equipped With Two
Piece Driveshaft) (F-150)
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TSB/Document ID: TSB 26-2226
Replacement Service Bulletin Number:
MFR Communication Date: 2026-05-08
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: POWER TRAIN
MFR Component System:
MFR Component Subsystem:
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