NHTSA ID Number: 11032750
Manufacturer Communication Number: TSB 26-2241
TSB/Document Date: 2026-05-18
Summary
This bulletin supersedes 25-2587. Reason For Update: update the Parts list to add the F-clutch friction plates HL3Z-7B164-D
and the F-clutch steel plates PR3Z-7B164-A for the proper vehicle lines, replace the transfer case mounting bolt part number from W714288-S438 to W714288-S437, update the part number W720688-S439 quantity from 2 to 1, update the part number ML3Z-7869-C claim quantity from 2 to 1 (only if necessary), update the description of CXT-10-LV6 and XT-10-QLVC by adding "transfer case fluid, 4WD only", move HL3Z-7A191-B and L1MZ-7F396-A fluid pan gaskets to the parts to inspect and replace list, and remove TL1Z-6775-A self adhesive heat shield from the F-150/Expedition/Navigator parts list as it is not a discard item. Some of the vehicles listed in the Model statement above may exhibit at least one of the following conditions: * Harsh 3-4, 4-5 upshifts * Harsh 5-3, 4-3 downshifts * Harsh reverse engagements These symptoms may be worse when cold. This may be due to the F clutch friction plates brinelling into the clutch and planetary container cylinder (7B177).
3
Driveshaft To Transmission Flange
Bolts
2.3L Engine
4
Driveshaft To Transmission Flange
Bolts
5.0L Engine
2
Selector Lever Cable Bracket Bolts
4 pieces required (5.0L), 6
pieces required (2.3L)
W712334-S440
4
W707654-S450
4
XL-1
XL-2
Torque Converter Nuts
Strut Tower Cross Brace Nuts
2022-2023 Mustang,
5.0L Engine
Strut Tower Cross Brace Nuts
2024 Mustang, 5.0L
Engine
As Needed
Motorcraft® Penetrating and Lock
Lubricant
All Markets
As Needed
Motorcraft® High Temperature Nickel
Anti-Seize Lubricant
All Markets
Parts - Mustang - Parts To Inspect And Replace Only If Necessary
Service Part
Number
Claim Quantity
Description
Note
JL3Z-9439-A
Only If Necessary (Up
To 8)
5.0L Engine
JR3Z-4782-A
Only If Necessary (Up
To 1)
Flex Coupling
2.3L Engine
W500545-S439
Only If Necessary (Up
To 3)
Driveshaft To Flex Coupling Bolts
2.3L Engine
Only If Necessary (Up
To 2)
2022-2023 Mustang, 2.3L
Engine
W716841-S900
Only If Necessary (Up
To 2)
Only If Necessary (Up
To 2)
2022-2023 Mustang, 5.0L
Engine
Only If Necessary (Up
To 4)
Transmission Fluid Cooler O-Ring
Seals
5L7Z-7D285-A
Only If Necessary (Up
To 2)
Transmission Fluid Cooler Tube Seals
2022-2023 Mustang
5L7Z-7J324-A
Only If Necessary (Up
To 2)
Transmission Fluid Cooler Tube
Backing Rings
2022-2023 Mustang
Parts - Additional Parts For Transit
Service Part
Number
Claim Quantity
Description
KK2Z-00811A
2
W500463S442
4
W520514S440
4
W505434S439
4
W506434S439
8
W520215S442
4
W711076S442
2
W712503S440
2
W709176S300
2
W709653S303
8
W711137S442
1
N800594S100
4 or 8 pieces (flange dependent)
W505264S442
2
W713078S439
Wheel Hub Nut
Brake Caliper Anchor Plate Bolts
Catalytic Converter Flange Nuts
Lower Load Push Bar Bolts
Lower Load Push Bar Bolts
Tie Rod End Nuts, Front Subframe
Forward Nuts
Lower Ball Joint Nut
Front Stabilizer Bar Link Rod Nuts
Splash Shield Push Pins
Muffler/Front Floor Heat Shield Rivets
Steering Column Shaft Bolt
Driveshaft Flange To Flange Bolts
Driveshaft Safety Strap Bolts (If
Equipped)
2 pieces required for medium
wheelbase, 4 pieces required for Driveshaft Center Bearing Bolts
long wheelbase
W710660S441
2
W716331S439
4
W718943S439
2
Note
Transmission Support Insulator Nuts
Transmission Crossmember Bolts
Front Subframe Rearward Bolts
8 pieces For 4 Bolt
Style Transmission
Yoke
W715618S437
4
W719972S439
3
W720688S439
1
W719976S439
3
W714288S437
8
LK4Z-00815A
1
LK4Z-3B498A
1
LK4Z-4B496A
Torque Converter Nuts
Front Axle To Torque Arm Bolts
4WD Vehicles Only
Front Axle To Transmission Bolts
4WD Vehicles Only
Front Axle Tube Bolts/Front Axle To
Transmission Bolts
4WD Vehicles Only
Transfer Case Mounting Bolts
4WD Vehicles Only
4WD Vehicles Only
LH Halfshaft Snap-Ring Circlip
4WD Vehicles Only
3
Front Driveshaft CV Joint-to-Pinion
Flange Cup Bolts And Retaining Straps
4WD Vehicles Only
LK4Z-4B496B
2
Rear Driveshaft CV Joint-to-Pinion
Flange Cup Bolts And Retaining Straps
4WD Vehicles Only
As Needed
Motorcraft® Yellow Prediluted
Antifreeze/Coolant
All Markets Except
Canada
As Needed
Motorcraft® Yellow Prediluted
Antifreeze/Coolant
Canada Only
As Needed
Motorcraft® Premium Long-Life Grease
All Markets
As Needed
Motorcraft® Penetrating and Lock
Lubricant
All Markets
XY-75W140QL
As Needed
Motorcraft® SAE 75W-140 Synthetic
Rear Axle Lubricant
Front Drive Axle Fluid
As Needed
Motorcraft® MERCON® LV Automatic
Transmission Fluid (All Markets Except
Canada)
Transfer Case Fluid,
4WD Only
As Needed
Motorcraft® MERCON® LV Automatic
Transmission Fluid (Canada Only)
Transfer Case Fluid,
4WD Only
As Needed
Motorcraft® High Temperature 4x4 Front
4WD Only
Axle and Wheel Bearing Grease
Parts - Transit - Parts To Inspect And Replace Only If Necessary
Service Part
Number
Claim Quantity
Description
Note
Only If Necessary (Up To
4)
Transmission Fluid Cooler O-Ring
Seals
W715471-S300
Only If Necessary (Up To
2)
3.5L DOHC Engine
Only If Necessary (Up To
2)
2.7/3.5L Engine
Only If Necessary (Up To
4)
Catalytic Converter Studs
Only If Necessary (Up To
4)
Catalytic Converter Studs
3.5L EcoBoost
Engine
Parts - Additional Parts For Ranger
Service Part
Number
Claim
Quantity
Description
Note
1
Catalytic Converter Gasket
3
Catalytic Converter Nuts
2
Stabilizer Bar Bracket Nuts
2
Stabilizer Bar Bracket Bolts
W700056S450B
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TSB/Document ID: TSB 26-2241
Replacement Service Bulletin Number:
MFR Communication Date: 2026-05-18
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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