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:

Ford

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 Number Quantity Description Unit of Issue Piece Quantity
LC3Z-7H351-B 1 CDF Clutch Cylinder 1 1
W715618-S437eBay 1 Torque Converter Nuts 4 4
W714824-S442 1 Selector Cable Bracket Bolts 4 2
391558-S102 2 Transmission Support Insulator Bolts 1 2
N605804-S439 3 Transfer Case To Transmission Bolts 4 11
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 light 4 Right And Left Y-pipe To Exhaust Manifold Nuts 1 4
W715131-S442eBay 1 Transmission Fluid Cooler Tube Bolt 4 1
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 light 1 Front Driveshaft U-joint To Pinion Retaining Strap Bolts (4WD Only) 4 4
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 light 2 Front Driveshaft U-joint To Pinion Retaining Straps (4WD Only) 1 2
N811880-S100eBay 1 Front And Rear Driveshaft & CV Joint Flange Bolts 4 4
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 light 2 Transmission Mount Support Isolator Nuts 1 2
W710356-S439 1 Crossmember Bracket Bolts 4 4
W520515-S440 1 Crossmember Bracket Nuts 4 4
W714717-S439eBay 1 Y-pipe To Resonator Bolts (7.3L Only) 4 2
W714656-S439 1 Exhaust Hanger Bracket Bolts (7.3L Only) 4 4
N605804-S439 1 Transmission Support Insulator Bracket Bolts (2WD Only) 4 4
LC3Z-7153-A 1 Seal Kit 1 1
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 light As Needed Motorcraft® 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 light As Needed Motorcraft® 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 light As Needed Motorcraft® 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 light As Needed Motorcraft® Yellow Concentrated Antifreeze/Coolant (All Markets Except Canada)
CVC-13-GeBay As Needed Motorcraft® 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 light As Needed Motorcraft® 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 light As Needed Motorcraft® Threadlock 262

 

Parts

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

Service Part Number Quantity Description Unit of Issue Piece Quantity
F1HZ-4N272-A 4 Per Affected Joint U-Joint Strap Style Bolts – Refer To The Parts Catalog For The VIN Specific Application 1 4 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 light 2 Per Affected Joint U-Joint Strap – Refer To The Parts Catalog For The VIN Specific Application 1 2 Per Affected Joint
N811880-S100eBay 1 Per Affected Joint U-Joint Flange Style Bolts – Refer To The Parts Catalog For The VIN Specific Application 4 4 Per Affected Joint
BC3Z-4N272-A 1 Per Affected Joint Driveshaft Center Bearing Bolts – Refer To Parts Catalog For The VIN Specific Application 1 1 Per Affected Joint
W500633-S439 1 Driveshaft Center Bearing Bolts – Refer To Parts Catalog For The VIN Specific Application 4 1 Required Per Affected Joint

 

Parts

Parts To Inspect And Replace Only If Necessary

Service Part Number Quantity Description
LC3Z-7J227-A If Needed Transmission Fluid Cooler O-ring
LC3Z-7B477-A If Needed C Clutch Pressure Plate
LC3Z-7B442-C If Needed C Clutch Separator Plates External Spline (Diesel Only)
LC3Z-7B442-D If Needed C Clutch Separator Plates External Spline (Gas Only)
LC3Z-7H095-A If Needed C Clutch Friction Plate Internal Spline
LC3Z-7H076-A If Needed C Clutch Snap-Ring – Selective (1.5mm)
LC3Z-7H076-B If Needed C Clutch Snap-Ring – Selective (1.7mm)
LC3Z-7H076-C If Needed C Clutch Snap-Ring – Selective (1.9mm)
LC3Z-7H076-D If Needed C Clutch Snap-Ring – Selective (2.1mm)
LC3Z-7H076-E If Needed C Clutch Snap-Ring – Selective (2.3mm)
LC3Z-7H076-F If Needed C 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

MAKE MODEL YEAR
FORD F-250 SD 2020
FORD F-350 SD 2020
FORD F-450 SD 2020
FORD F-550 SD 2020
FORD F-600 SD 2020
FORD F-650 SD 2020
FORD F-750 SD 2020

 


1 Associated Document

Manufacturer Communications

23-2160
22 May 2023

https://www.nhtsa.gov/recalls?nhtsaId=10236684

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

https://www.nhtsa.gov/recalls?nhtsaId=10201636

MC-10201636-0001.pdf 92.9KB

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