Manual Transmission – Inability To Shift Into Third And Fourth Gear – 2018 Ford Mustang

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NHTSA ID Number: 10230766

Manufacturer Communication Number: TSB 22-2372

Summary

Some 2018 MustangeBay vehicles equipped with a 5.0L engine and a manual transmission may exhibit an inability to engage third and fourth gear. This may be due to a broken 3-4 shift fork. To correct the condition, follow the Service Procedure to replace the 3rd/4th shift fork, the 1st/2nd shift fork, the countershaft 3rd gear, and the 3rd/4th gear synchronizer hub and sleeve.

 


This bulletin supersedes 18-2351.

Model:

FordeBay

2018 MustangeBay

Engine: 5.0L

 

Summary

This article supersedes TSB 18-2351 to update the Parts List.

Issue: Some 2018 MustangeBay vehicles equipped with a 5.0L engine and an MT82 manual transmission may exhibit an inability to engage 3rd and 4th gear. This may be due to a broken 3-4 shift fork. To correct the condition, follow the Service Procedure to replace the 3rd/4th shift fork, the 1st/2nd shift fork, the countershaft 3rd gear, and the 3rd/4th gear synchronizer hub and sleeve.

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

 

Parts

Service Part NumberQuantityDescriptionUnit of IssuePiece Quantity
JR3Z-7048-A1Input Shaft Seal11
JR3Z-7230-B13rd/4th Shift Fork11
JR3Z-7052-A1Output Shaft Seal11
BR3Z-7A010-A1Countershaft Bolt Cover11
JR3Z-7230-F11st/2nd Shift Fork11
JR3Z-7101-A1Countershaft 3rd Gear11
JR3Z-7124-D13rd/4th Gear Synchronizer Hub And Sleeve11
BR3Z-5B266-A Manual Transmission - Inability To Shift Into Third And Fourth Gear - 2018 Ford Mustang | small light1Gasket11
FR3Z-4B496-BeBay3Bolt And Washer, M10 x 1.5 MM13
W719298-S439eBay1Bolt M12 X 56 MM43
W717822-S439eBay1Bolt M10 x 19 MM42
W705443-S900 Manual Transmission - Inability To Shift Into Third And Fourth Gear - 2018 Ford Mustang | small light1Nut M10 x 1.5MM42
TA-25-BeBayAs NeededMotorcraft® Threadlock and Sealer
TA-16 Manual Transmission - Inability To Shift Into Third And Fourth Gear - 2018 Ford Mustang | small lightAs NeededMotorcraft® Gasket Maker
TA-26 Manual Transmission - Inability To Shift Into Third And Fourth Gear - 2018 Ford Mustang | small lightAs NeededMotorcraft® Threadlock 262
XG-11eBayAs NeededMotorcraft® High Temperature 4×4 Front Axle and Wheel Bearing Grease
XL-2 Manual Transmission - Inability To Shift Into Third And Fourth Gear - 2018 Ford Mustang | small lightAs NeededMotorcraft® High Temperature Nickel Anti-Seize Lubricant
XL-1 Manual Transmission - Inability To Shift Into Third And Fourth Gear - 2018 Ford Mustang | small lightAs NeededMotorcraft® Penetrating and Lock Lubricant
XL-18As NeededMotorcraft® MT82 Transmission Additive XL-18a
XT-11-QDC Manual Transmission - Inability To Shift Into Third And Fourth Gear - 2018 Ford Mustang | small lightAs NeededMotorcraft® Dual Clutch Transmission Fluid

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.

 

Service Procedure

1. Does the shifter move into the 3rd and 4th gear positions when attempting to engage these gears but the gears do not actually engage in the transmission?

(1). Yes – proceed to Step 2.

(2). No – this article does not apply. Refer to Workshop Manual (WSM), Section 308-03A for normal diagnostics.

2. Remove the transmission from the vehicle. Refer to WSM, Section 308-03A.

3. Disassemble the transmission. Replace the 3rd/4th shift fork, the 1st/2nd shift fork, the countershaft 3rd gear, and the 3rd/4th gear synchronizer hub and sleeve. Refer to WSM, Section 308-03A.

4. Reassemble the transmission and reinstall it into the vehicle. Refer to WSM, Section 308-03A.

 


1 Affected Product

Vehicle

MAKEMODELYEAR
FORDeBayMUSTANGeBay2018

 


1 Associated Document

Manufacturer Communications

22-2372
04 January 2023

MC-10230766-0001.pdf 142.569KB

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NHTSA ID Number: 10153914

Manufacturer Communication Number: TSB 18-2351

Summary

Some 2018 MustangeBay vehicles equipped with a 5.0L engine and a manual transmission may exhibit an inability to engage third and fourth gear. This may be due to a broken 3-4 shift fork. Follow the Service Procedure steps to correct the condition.

1 Associated Document

Manufacturer Communications

18-2351
07 January 2019

MC-10153914-9999.pdf 106.884KB

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NHTSA ID Number: 10144179

Manufacturer Communication Number: tsb18-2175

Summary

Some 2018 MustangeBay vehicles equipped with a 5.0L engine and a manual transmission may exhibit an inability to engage third and fourth gear. This may be due to a broken 3-4 shift fork. Follow the Service Procedure steps to correct the condition.

1 Associated Document

Manufacturer Communications

18-2175
29 June 2018

MC-10144179-9999.pdf 106.496KB

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Last update on 2025-04-19 / Affiliate links / Images from Amazon Product Advertising API


 

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