6.2L/7.3L – 10R140 – Illuminated Powertrain Malfunction (Wrench) Indicator with DTC P07F7 And Loss Of 10th Gear – 2020 Ford F-Super Duty

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NHTSA ID Number: 10236684

Manufacturer Communication Number: TSB 23-2160

Summary

Some 2020 F-Super Duty vehicles equipped with a 6.2L or 7.3L engine and a 10R140 transmission may exhibit an illuminated powertrain malfunction (wrench) indicator with diagnostic trouble code (DTC) P07F7 stored in the powertrain control module (PCM) and a loss of 10th gear. The vehicle may also exhibit harsh engagements and poor shift quality. This may be due to the sleeve in the CDF clutch cylinder shifting axially causing hydraulic circuit leaks. To correct the condition, follow the Service Procedure to replace the CDF clutch cylinder.

 


This bulletin supersedes 21-2323. Reason for update: Remove the vehicle production fix date

Model:

FordeBay

2020 F-Super Duty

Engine: 6.2L/7.3L

 

Summary

This article supersedes TSB 21-2323 to remove the vehicle production fix date.

 

Issue: Some 2020 F-Super Duty vehicles equipped with a 6.2L or 7.3L engine and a 10R140 transmission may exhibit an illuminated powertrain malfunction (wrench) indicator with diagnostic trouble code (DTC) P07F7 stored in the powertrain control module (PCM) and a loss of 10th gear. The vehicle may also exhibit harsh engagements and poor shift quality. This may be due to the sleeve in the CDF clutch cylinder shifting axially causing hydraulic circuit leaks. To correct the condition, follow the Service Procedure to replace the CDF clutch cylinder.

Action: Follow the Service Procedure to correct the condition on vehicles that meet all of the following criteria:

 

Parts

Service Part NumberQuantityDescriptionUnit of IssuePiece Quantity
LC3Z-7H351-B1CDF Clutch Cylinder11
W715618-S437eBay1Torque Converter Nuts44
W714824-S4421Selector Cable Bracket Bolts42
391558-S1022Transmission Support Insulator Bolts12
N605804-S4393Transfer Case To Transmission Bolts411
W520514-S440 6.2L/7.3L - 10R140 - Illuminated Powertrain Malfunction (Wrench) Indicator with DTC P07F7 And Loss Of 10th Gear - 2020 Ford F-Super Duty | small light4Right And Left Y-pipe To Exhaust Manifold Nuts14
W715131-S442eBay1Transmission Fluid Cooler Tube Bolt41
F81Z-4N272-AA 6.2L/7.3L - 10R140 - Illuminated Powertrain Malfunction (Wrench) Indicator with DTC P07F7 And Loss Of 10th Gear - 2020 Ford F-Super Duty | small light1Front Driveshaft U-joint To Pinion Retaining Strap Bolts (4WD Only)44
E4HZ-4A254-B 6.2L/7.3L - 10R140 - Illuminated Powertrain Malfunction (Wrench) Indicator with DTC P07F7 And Loss Of 10th Gear - 2020 Ford F-Super Duty | small light2Front Driveshaft U-joint To Pinion Retaining Straps (4WD Only)12
N811880-S100eBay1Front And Rear Driveshaft & CV Joint Flange Bolts44
W709771-S440 6.2L/7.3L - 10R140 - Illuminated Powertrain Malfunction (Wrench) Indicator with DTC P07F7 And Loss Of 10th Gear - 2020 Ford F-Super Duty | small light2Transmission Mount Support Isolator Nuts12
W710356-S4391Crossmember Bracket Bolts44
W520515-S4401Crossmember Bracket Nuts44
W714717-S439eBay1Y-pipe To Resonator Bolts (7.3L Only)42
W714656-S4391Exhaust Hanger Bracket Bolts (7.3L Only)44
N605804-S4391Transmission Support Insulator Bracket Bolts (2WD Only)44
LC3Z-7153-A1Seal Kit11
XT-12-QULV 6.2L/7.3L - 10R140 - Illuminated Powertrain Malfunction (Wrench) Indicator with DTC P07F7 And Loss Of 10th Gear - 2020 Ford F-Super Duty | small lightAs NeededMotorcraft® MERCON® ULV Automatic Transmission Fluid
XT-10-QLVC 6.2L/7.3L - 10R140 - Illuminated Powertrain Malfunction (Wrench) Indicator with DTC P07F7 And Loss Of 10th Gear - 2020 Ford F-Super Duty | small lightAs NeededMotorcraft® MERCON® LV Automatic Transmission (Transfer Case Fluid, 4WD Only)
TA-24-B 6.2L/7.3L - 10R140 - Illuminated Powertrain Malfunction (Wrench) Indicator with DTC P07F7 And Loss Of 10th Gear - 2020 Ford F-Super Duty | small lightAs NeededMotorcraft® Thread Sealant with PTFE (4WD Only)
VC-13-G 6.2L/7.3L - 10R140 - Illuminated Powertrain Malfunction (Wrench) Indicator with DTC P07F7 And Loss Of 10th Gear - 2020 Ford F-Super Duty | small lightAs NeededMotorcraft® Yellow Concentrated Antifreeze/Coolant (All Markets Except Canada)
CVC-13-GeBayAs NeededMotorcraft® Yellow Concentrated Antifreeze/Coolant (Canada Only)
XL-5-A 6.2L/7.3L - 10R140 - Illuminated Powertrain Malfunction (Wrench) Indicator with DTC P07F7 And Loss Of 10th Gear - 2020 Ford F-Super Duty | small lightAs NeededMotorcraft® Multi-Purpose Grease Spray
TA-26 6.2L/7.3L - 10R140 - Illuminated Powertrain Malfunction (Wrench) Indicator with DTC P07F7 And Loss Of 10th Gear - 2020 Ford F-Super Duty | small lightAs NeededMotorcraft® Threadlock 262

 

Parts

Rear Driveshaft Bolts And Straps – Not All Vehicles Will Use All Of The Parts Listed

Service Part NumberQuantityDescriptionUnit of IssuePiece Quantity
F1HZ-4N272-A4 Per Affected JointU-Joint Strap Style Bolts – Refer To The Parts Catalog For The VIN Specific Application14 Per Affected Joint
E4HZ-4A254-A 6.2L/7.3L - 10R140 - Illuminated Powertrain Malfunction (Wrench) Indicator with DTC P07F7 And Loss Of 10th Gear - 2020 Ford F-Super Duty | small light2 Per Affected JointU-Joint Strap – Refer To The Parts Catalog For The VIN Specific Application12 Per Affected Joint
N811880-S100eBay1 Per Affected JointU-Joint Flange Style Bolts – Refer To The Parts Catalog For The VIN Specific Application44 Per Affected Joint
BC3Z-4N272-A1 Per Affected JointDriveshaft Center Bearing Bolts – Refer To Parts Catalog For The VIN Specific Application11 Per Affected Joint
W500633-S4391Driveshaft Center Bearing Bolts – Refer To Parts Catalog For The VIN Specific Application41 Required Per Affected Joint

 

Parts

Parts To Inspect And Replace Only If Necessary

Service Part NumberQuantityDescription
LC3Z-7J227-AIf NeededTransmission Fluid Cooler O-ring
LC3Z-7B477-AIf NeededC Clutch Pressure Plate
LC3Z-7B442-CIf NeededC Clutch Separator Plates External Spline (Diesel Only)
LC3Z-7B442-DIf NeededC Clutch Separator Plates External Spline (Gas Only)
LC3Z-7H095-AIf NeededC Clutch Friction Plate Internal Spline
LC3Z-7H076-AIf NeededC Clutch Snap-Ring – Selective (1.5mm)
LC3Z-7H076-BIf NeededC Clutch Snap-Ring – Selective (1.7mm)
LC3Z-7H076-CIf NeededC Clutch Snap-Ring – Selective (1.9mm)
LC3Z-7H076-DIf NeededC Clutch Snap-Ring – Selective (2.1mm)
LC3Z-7H076-EIf NeededC Clutch Snap-Ring – Selective (2.3mm)
LC3Z-7H076-FIf NeededC Clutch Snap-Ring – Selective (2.5mm)

Quantity refers to the amount of the service part number required to repair the vehicle.

Unit of Issue refers to the number of individual pieces included in a service part number package.

Piece Quantity refers to the total number of individual pieces required to repair the vehicle.

As Needed indicates the amount of the part may vary and/or is not a whole number. Parts can be billed out as non-whole numbers, including less than 1.

If Needed indicates the part is not mandatory.

 

Service Procedure

1. Remove the transmission. Refer to Workshop Manual (WSM), Section 307-01.

NOTE: For 7.3L applications, do not discard the W714565-S439 exhaust hanger bracket bolts during transmission removal.

2. Disassemble the transmission. Perform only the necessary steps to remove the clutch and planetary assembly from the transmission case. Refer to WSM, Section 307-01 > Overhaul.

(1). It is only necessary to remove the following:

Torque converter

• Main control assembly

• All 4 speed sensors (intermediate speed sensor A [ISSA], intermediate speed sensor B [ISSB], turbine shaft speed [TSS] and output shaft speed [OSS])

• Fluid pump

• Front support

Clutch and planetary assembly

3. Disassemble the clutch and planetary assembly. Perform only the necessary steps to remove the CDF clutch cylinder from the clutch and planetary assembly. Refer to WSM, Section 307-01 > Overhaul.

(1). It is only necessary to remove the following:

• A clutch assembly

• T3 thrust bearing and shim

Clutch and planetary container cylinder

• E clutch and input shaft assembly

• Number 3 planetary carrier and number 3 sun gear

• Number 3 sun gear shaft and number 2 ring gear assembly

4. Disassemble the C, D and F clutch assemblies from the CDF cylinder. Discard the CDF cylinder.

5. Assemble the C, D and F clutch assemblies into the new CDF clutch cylinder.

6. Perform the C, D and F clutch pack endplay measurements for proper clearance.

7. To reassemble the clutch and planetary assembly, reverse the removal procedure. Refer to WSM, Section 307-01 > Overhaul.

8. Perform the T3 thrust bearing measurement to set transmission front end clearance.

9. Reassemble the transmission starting at Step 299 in WSM, Section 307-01 > Overhaul.

10. Install the transmission. Refer to WSM, Section 307-01.

NOTE: For 7.3L applications, if the exhaust hanger bracket bolts are not available, apply Motorcraft® Threadlock 262 to the threads and reuse the exhaust hanger bracket bolts.

11. Perform an adaptive learning drive cycle. Refer to WSM, Section 307-01.

NOTE: Advise the customer that this vehicle is equipped with an adaptive transmission shift strategy which allows the vehicle’s computer to learn the transmission’s unique parameters and improve shift quality. When the adaptive strategy is reset, the computer will begin a relearning process. This relearning process may result in firmer than normal upshifts and downshifts for several days.

 


7 Affected Products

Vehicles

MAKEMODELYEAR
FORDeBayF-250 SD2020
FORDeBayF-350 SD2020
FORDeBayF-450 SD2020
FORDeBayF-550 SD2020
FORDeBayF-600 SD2020
FORDeBayF-650 SD2020
FORDeBayF-750 SD2020

 


1 Associated Document

Manufacturer Communications

23-2160
22 May 2023

MC-10236684-0001.pdf 207.736KB

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NHTSA ID Number: 10201636

Manufacturer Communication Number: TSB 21-2323

Summary

Some 2020 F-Super Duty vehicles equipped with a 6.2L or 7.3L engine and a 10R140 transmission built on or before 1-Apr-2020 may exhibit an illuminated powertrain malfunction (wrench) indicator with diagnostic trouble code (DTC) P07F7 stored in the powertrain control module (PCM) and a loss of 10th gear. The vehicle may also exhibit harsh engagements and poor shift quality. This may be due to the sleeve in the CDF clutch cylinder shifting axially causing hydraulic circuit leaks. To correct the condition, follow the Service Procedure to replace the CDF clutch cylinder.

 

1 Associated Document

Manufacturer Communications

21-2323
21 September 2021

MC-10201636-0001.pdf 92.9KB

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