# Service bulletin TSB 26\-2256

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 11034010
- Published by NHTSA: 2026\-06\-22
- Manufacturer's number: TSB 26\-2256
- Manufacturer's date: 2026\-06\-19
- NHTSA component: ENGINE; UNKNOWN OR OTHER

## NHTSA's summary

This article supersedes TSB 25\-2572 to update the Parts List to correct the part number LC3Z\-6006\-L to LC3Z\-6781\-A, remove the flex plate bolts AL3Z\-6379\-BA from the parts list as these bolts are in kit LC3Z\-6781\-A, update the claim quantity of the part number W709771\-S440 to 9 pieces \(F\-650/F750\-Engine Replacement\), W706447\-S437 and W715068\-S437 to 4 pieces, W712861\-S439 to 8 pieces\(F\-Super Duty Pickup And Chassis Cab\-Engine Replacement\) / 8 pieces \(F\-53 Motorhome/F\-59 Stripped Chassis Cab/F\-650,F750 Engine Replacement\) / W714286\-S442 to 4 pieces \(F\-Super Duty Pickup And Chassis Cab\-Camshaft and Tappet Repair / F\-Super Duty Pickup And Chassis Cab\-Engine Replacement\), include LC3Z\-6020\-A for the Engine replacement lists, include 1 fuel injector seal kit to the Camshaft and Tappet repair lists, include 4 pieces of W520114\-S440 to the E Series\-Camshaft and Tappet Repair list, and update the engine oil part numbers XO\-5W30\-Q1SP and CXO\-5W30\-LSP6. Some of the vehicles listed in the Model statement above may exhibit an upper engine ticking or tapping noise at idle. Customers may also report experiencing ro

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11034010-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11034010-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine

## Vehicles listed

- 2021 to 2025 FORD E\-350
- 2021 to 2025 FORD E\-450
- 2020 to 2025 FORD F\-250 SD
- 2020 to 2025 FORD F\-350 SD
- 2020 to 2025 FORD F\-450 SD
- 2020 to 2025 FORD F\-53
- 2020 to 2025 FORD F\-550 SD
- 2020 to 2025 FORD F\-59
- 2021 to 2025 FORD F\-650 SD
- 2021 to 2023 FORD F\-750 SD
- 2025 FORD F\-750 SD

## Recalls for the same vehicles and component

- [25V793000](/recalls/nhtsa/25V793000.md), 2025-11-17: ENGINE
- [2025630](/recalls/tc/2025630.md), 2025-11-14: Engine
- [2020633](/recalls/tc/2020633.md), 2020-12-21: Engine
- [20V795000](/recalls/nhtsa/20V795000.md), 2020-12-17: ENGINE

## Other bulletins for the same vehicles and component

- [TSB 26\-2375](/bulletins/11036283.md), 2026-08-19, Service bulletin: POWER TRAIN; ENGINE; ELECTRICAL SYSTEM. This article supersedes TSB 26\-2050 to increase the labor operation allowance of labor operations A and B. Some of the vehicles listed in the Model statement above may exhibit all of the following conditions: Poor shift quality Illuminated powertrain malfunction \(wrench\) indicator with diagnostic trouble codes \(DTC\) P2704 and P0771 stored in the PCM/TCM. This may be due to a calibration in the TCM and/or wear between the input shaft and the E clutch hub causing the input shaft O\-rings to become damaged resulting in an open E clutch circuit. Additional model information: 6.7L Diesel Engine 2022\-2024 F\-550 or F\-600 F\-Super Duty vehicles built on or before 15\-May\-2024 with over 5,000 miles \(8,000km\)
- [25M01](/bulletins/11035635.md), 2026-08-04, Other: ENGINE; UNKNOWN OR OTHER. Customer Satisfaction Program 25M01 Certain 2021 Model Year F\-150 3.0L Diesel Engine and 2020\-2022 Model Year Super Duty with 6.7L Diesel Engine Nitrogen Oxide \(NOx\) Sensor Replacement, If Required After Dealer Evaluation Reference: Emissions Recalls 22E02, 22E04, 23E01, and 25E09
- [25E09](/bulletins/11034230.md), 2026-07-01, Emissions: ENGINE. NEW VEHICLE DEMONSTRATION / DELIVERY HOLD Emissions Recall 25E09 Certain 2022 Model Year F\-250 \- F\-600 Vehicles with 6.7L Engines Powertrain Control Module Programming and Particulate Matter Sensor Installation
- [25N14](/bulletins/11034217.md), 2026-07-01, Other: ENGINE; FUEL/PROPULSION SYSTEM. Certain 2022 Model Year F\-250 \- F\-600 with 6.7L Diesel Engines One\-Time Replacement for Diesel Particulate Filter Assembly Failures, If Required After Dealer Evaluation
- [22N05\-S3](/bulletins/11034195.md), 2026-07-01, Service bulletin: ENGINE. Customer Satisfaction Program 22N05 \- Supplement \#3 Certain 2022 Model Year Super Duty with 6.7L Diesel Engine One\-Time Replacement for Diesel Particulate Filter Assembly If Required After Dealer Evaluation
- [SSM 54738](/bulletins/11031302.md), 2026-04-14, Service bulletin: ENGINE; POWER TRAIN. Some 2023\-2025 Escape 1.5L/F\-Super Duty/Transit vehicles may exhibit a lack of cooling from the heating, ventilation, and air conditioning \(HVAC\) system, which may be accompanied by abnormal rattling, grinding and/or squealing noises from the engine compartment. This may be due to damage to the air conditioning \(A/C\) compressor internal components and/or clutch assembly. Confirm ambient air temperature is above approximately 0°C \(32.0°F\). On the HVAC controls, set the temperature to full cold \(not MAX A/C\), select PANEL, set the fan speed to the highest setting and select the A/C button \(indicator on\). If the A/C compressor clutch engages and the A/C compressor is noisy, and/or the belt is slipping on the A/C compressor pulley or the A/C compressor is seized, install a new A/C compressor as indicated in Section 412\-00 of the Workshop Manual \(WSM\). For claiming, use causal part 19703 and labor operation MT19700SSM up to 0.3 hours to check for a damaged compressor. If the compressor requires replacement, claim labor operations 19700A and 19700A4. Also claim available Service Labor Time Standards \(SLTS\) op
- [SSM 54678](/bulletins/11030797.md), 2026-04-06, Service bulletin: ENGINE. Some 2021\-2026 F\-150 vehicles equipped with a 5.0L/5.2L engine, 2021\-2025 F\-Super Duty/F\-53 Motorhome/F59 Commercial Stripped Chassis vehicles equipped with a 6.8L/7.3L engine and 2021\-2025 E\-Series/F\-650/F\-750 vehicles equipped with a 7.3L engine may exhibit a rattle/scraping noise upon startup that may remain after the engine is running. Workshop Manual \(WSM\),
- [ECM\-25.10.21.2 SuperDuty](/bulletins/11028999.md), 2026-02-25, Over\-the\-air update: ELECTRICAL SYSTEM; ENGINE; UNKNOWN OR OTHER. Quality improvements include: \-Updates the emissions control system, improving performance in order to ensure meeting regulatory requirements
- [SSM 54584](/bulletins/11028851.md), 2026-02-17, Service bulletin: ENGINE; UNKNOWN OR OTHER; ELECTRICAL SYSTEM. Some 2023\-2026 F\-Super Duty vehicles that require replacement of the heating ventilation and air conditioning \(HVAC\) module may have previously experienced a PMI that will not complete during installation. This may be due to a concern with the PMI application within the Ford Diagnosis and Repair System \(FDRS\) scan tool. To correct this condition, navigate to the FDRS application HVAC Programmable Module Installation \(PMI\). Click on the download button \(if not already downloaded\) or the refresh button on the right side of the application \(if the application is already downloaded\). Hover your mouse over the application name and verify the application version reads G2327867\-5.0 or higher. Once the application is confirmed to be updated, run the HVAC PMI application.
- [25B65](/bulletins/11026871.md), 2025-12-30, Other: POWER TRAIN; ENGINE. Certain 2024\-2026 Model Year F\-650 \- F\-750 Medium\-Duty Trucks equipped with 7.3L engine and 6R140 Transmission Reprogram the Powertrain Control Module

JSON: [/v1/bulletins/11034010](/v1/bulletins/11034010)

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