Transmission Fluid Leak Due To A Cracked Transmission Case Or Transmission Fluid Pan – 2015-2019 Ford F-Super Duty

NHTSA ID Number: 10222191

Manufacturer Communication Number: TSB 22-2356

Summary

Some 2015-2019 F-Super Duty vehicles may experience a transmission fluid leak from a cracked transmission case or transmission fluid pan. This may be due to a driveline vibration condition. For vehicles that have a concern with a cracked transmission case (Figures 1-2) or fluid pan (Figures 3-4), the rear driveline imbalance most often is the root cause of this concern. To correct the condition, follow the Service Procedure to replace the rear driveline.

 


Model:

FordeBay logo

2015-2019 F-Super Duty

 

Issue: Some 2015-2019 F-Super Duty vehicles may experience a transmission fluid leak from a cracked transmission case or transmission fluid pan. This may be due to a driveline vibration condition. For vehicles that have a concern with a cracked transmission case (Figures 1-2) or fluid pan (Figures 3-4), the rear driveline imbalance most often is the root cause of this concern. To correct the condition, follow the Service Procedure to replace the rear driveline.

Action: The vehicle should meet the following criteria:

  • 2015-2019 F-Super Duty
  • Transmission fluid leak from a cracked transmission case or transmission fluid pan

 

Service Procedure

For vehicles that have a concern with a cracked transmission case (Figures 1-2) or fluid pan (Figures 3-4), the driveline imbalance most often is the root cause of this concern.

Figure 1

 

Figure 2

 

Figure 3

 

Figure 4

 

1. Replace the following rear driveline components with the transmission repair per Workshop Manual (WSM), Section 205-01:

2. After repair and prior to vehicle delivery to the customer, confirm all of the following are within specification.

(1). Verify the driveline angles are within specification. Refer to WSM, Section 205-01.

(2). Advise the customer to make sure loaded weights do not exceed the vehicle capacity, which could put the rear driveline angles out of specification per WSM, Section 205-01.

(3). Inspect the powertrain mounts and document all engine and transmission mounts for any concerns.

(4). Inspect the frame for any evidence of twisting, cracking or damage.

(5). If applicable, verify Customer Satisfaction Program 21B04 has been completed.

(6). Make sure any vehicle modification aligns with The Body Builder Guide (www.fordbbas.com).

(7). Verify the driveline vibration analysis at maximum vehicle highway speed with Rotunda VMS or equivalent. For accelerometer placement, refer to Figures 5-6.

Figure 5

 

Figure 6

 

 


20 Affected Products

Vehicles

MAKEMODELYEAR
FORDF-250 SD2015-2019
FORDF-350 SD2015-2019
FORDF-450 SD2015-2019
FORDeBay logoF-550 SD2015-2019

 


1 Associated Document

Manufacturer Communications

22-2356
19 September 2022

MC-10222191-0001.pdf 251.562KB

 


 

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