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
W715618S437
F-150 2.7L/3.3L/3.5L/5.0L/Expedition/Navigator Require 4
Pieces, F-150 3.0L Require 6 Pieces
W715798S442
1
W716375S900
9
W718353S900
4
W718772S439
1
W718926S900
4
W719738S439
1
Left And Right Catalytic Converter Nuts (All Gas Engines)
Park Manual Release Cable Bracket Bolt
(2.7L/3.3L/3.5L/5.0L)
Transmission Mount Nuts
Transmission Insulator Bolts And Washers (RWD Gas)
Transmission Support Crossmember Bolts
Driveshaft Center Bearing Bolt (Expedition/Navigator)
Torque Converter Nuts
Fluid Cooler Tube Studbolt 3.0L (Park Manual Release
Cable Bracket Bolt 3.5L)
Transfer Case Bolts (4WD)
Transmission Insulator Bolts (F-150 2.7L/3.3L/3.5L/5.0L
4WD, F-150 3.0L RWD, Expedition/Navigator 4WD)
Driveshaft Center Bearing Nut (Expedition/Navigator)
Transmission Insulator Bolts (F-150 3.0L 4WD)
Driveshaft Center Bearing Bracket Mounting Stud (If
Equipped With Two Piece Driveshaft)
As Needed
Motorcraft® Thread Sealant With PTFE (4WD)
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
XL-5-A
As Needed
Motorcraft® Multi-Purpose Grease Spray
As Needed
As Needed
As Needed
Motorcraft® MERCON® LV Automatic Transmission Fluid
Transfer Case Fluid (4WD
Only), All Markets Except
Canada
Motorcraft® MERCON® LV Automatic Transmission Fluid
Transfer Case Fluid (4WD
Only), Canada Only
Motorcraft® MERCON® ULV Automatic Transmission Fluid All Markets
Parts - F-150/Expedition/Navigator Transmission Removal And Installation - Parts To Inspect And Replace Only If Necessary
Service Part Number Claim Quantity
Description
4W9Z-6397-A
Only If Necessary (2 Possible) Engine Block Dowel Pins (F-150 3.0L)
5L7Z-7D285-A
Only If Necessary (2 Possible) Transmission Fluid Cooler Tube Seals (3.0L/3.5L)
5L7Z-7J324-A
Only If Necessary (2 Possible) Fluid Cooler Tube Backing Rings
Only If Necessary (1 Possible) Front Driveshaft Boot
Only If Necessary (2 Possible) Engine Block Dowel Pins (5.0L)
Only If Necessary (2 Possible) Engine Block Dowel Pins (2.7L/3.3L/3.5L)
Parts - Mustang Transmission Removal And Installation
Service Part Number Claim Quantity
Description
BR3Z-5B266-A
1
Exhaust Gasket (5.0L)
W705443-S900
2
Catalytic Converter Flange Nuts (5.0L)
2
Selector Lever Cable Bracket Bolts
W715131-S437
1
Transmission Fluid Cooler Tube Bracket Bolt
5.0L Requires 4 Pieces, 2.3L Requires 6 Pieces Torque Converter Nuts
3
Driveshaft To Pinion Flange Bolts
3
Driveshaft To Transmission Flange Bolts (If Equipped) (2.3L)
4
Driveshaft To Transmission Flange Bolts (If Equipped) (5.0L)
W500545-S439
3
Driveshaft To Transmission Flange Bolts
2
Driveshaft Center Bearing Bolts (If Equipped)
TA-25-B
As Needed
Motorcraft® Threadlock and Sealer (Convertible)
As Needed
Motorcraft® Penetrating and Lock Lubricant
XL-2
As Needed
Motorcraft® High Temperature Nickel Anti-Seize Lubricant
XL-5-A
As Needed
Motorcraft® Multi-Purpose Grease Spray
As Needed
Motorcraft® MERCON® ULV Automatic Transmission Fluid
Parts - Mustang Transmission Removal And Installation - Parts To Inspect And Replace Only If Necessary
Service Part Number Claim Quantity
Description
5L7Z-7D285-A
Only If Necessary (2 Possible) Transmission Fluid Cooler Tube Seals
5L7Z-7J324-A
Only If Necessary (2 Possible) Fluid Cooler Tube Backing Rings
4782
Only If Necessary (1 Possible) Flex Coupling Driveshaft - Refer To The Parts Catalog For The VIN Specific Application
Parts - Transit Transmission Removal And Installation
Service Part
Number
Claim Quantity
Description
Note
1
3
Front Driveshaft Flange CV Joint-to-Pinion Flange Cup Bolts And Retaining
Straps (AWD)
LK4Z-4B496-B
2
Rear Driveshaft Flange CV Joint-To-Pinion Flange Cup Bolts And Retaining
Straps (AWD)
N800594-S100
4 Or 8 (Flange
Dependent)
Driveshaft Flange To Flange Bolts - Refer To The Parts Catalog For The VIN
Specific Application
W505434-S439
4
Lower Load Push Bar Retainers
8
Lower Load Push Bar Retainers
4
Tie Rod End Nut / Front Subframe Forward Nuts (2 Per Application)
W520514-S440
4
Left And Right Catalytic Converter Nuts
2
Splash Shield Push Pins
2
Transmission Support Insulator Nuts
2
Lower Ball Joint Nut
1
Steering Column Shaft Bolt
W712503-S440
2
Front Stabilizer Bar Link Rod Nuts
2 Or 4
4
Torque Converter Nuts
4
Transmission Crossmember Bolts
2
Front Subframe Rearward Bolts
5
Front Axle Bolts (AWD)
1
Front Axle To Transmission Bolt (AWD)
2
Front Floor Heat Shield - Pop Rivets
2
Driveshaft Safety Strap Bolts (If Equipped)
2
Wheel Hub Nut
4
Brake Caliper Anchor Plate Bolt
2
As Needed
Motorcraft® SAE 75W-140 Synthetic Rear Axle Lubricant
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
XL-5-A
As Needed
Motorcraft® Multi-Purpose Grease Spray
As Needed
Driveshaft Center Bearing Bolts - Refer To The Parts Catalog For The VIN
Specific Application
4WD Only, Front Axle Usage
Motorcraft® MERCON® LV Automatic Transmission Fluid
Transfer Case Fluid (4WD Only), All Markets
Except Canada
As Needed
Motorcraft® MERCON® LV Automatic Transmission Fluid
Transfer Case Fluid (4WD Only), Canada Only
As Needed
Motorcraft® MERCON® ULV Automatic Transmission Fluid
All Markets
Parts - Transit Transmission Removal And Installation - Parts To Inspect And Replace Only If Necessary
Service Part Number Claim Quantity
Description
Only If Necessary (4 Possible)
Transmission Fluid Cooler Tube Seals
Only If Necessary (1 Possible)
Left Inner CV Joint Halfshaft (AWD)
Only If Necessary (1 Possible)
Right Outer CV Joint Halfshaft (AWD)
Only If Necessary (2 Possible)
Engine Block Dowel Pins (3.5L)
Only If Necessary (2 Possible For 3.5L EcoBoost, 4 Possible For 3.5L Duratec) Catalytic Converter Studs (3.5L) (AWD)
Only If Necessary (2 Possible)
Left Catalytic Converter Studs (3.5L EcoBoost) (AWD)
Parts - Explorer Transmission Removal And Installation
Service Part
Number
W715131-S442
Claim Quantity
Description
2
Transmission Fluid Cooler Tube Bracket
Bolts
W700714-S437
2
Selector Lever Cable Bracket Bolts
3.3L Requires 4 Pieces, All Others Require 6 Pieces
Torque Converter Nuts
1
Axle Pinion Stem Circlip
L1MZ-4A015-B
1
Note
1
Front Driveshaft Boot Clamp
1
Front Driveshaft Boot
3 Pieces Required If Driveshaft Is Disconnected At Only One End, 6 Pieces
Required If Coupler Or Driveshaft Alignment Bushing Are Replaced
Driveshaft Flex Coupling Bolts
8
Transfer Case Bolts (4WD)
RWD Requires 2 Pieces, AWD Requires 3 Pieces
Transmission Mount Bolts
W520214-S440
1
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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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