TECHNICAL SERVICE BULLETIN
5.0L - Manual Transmission - Inability To Shift Into Third And Fourth Gear

18-2175
29 June 2018

Model:
Ford
2018 Mustang
Issue: Some 2018 Mustang 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.
Action: Follow the Service Procedure steps to correct the condition.
Parts
Part Number

Description

Quantity

JR3Z-7048-A

Input Shaft Seal

1

JR3Z-7052-A

Output Shaft Seal

1

JR3Z-7230-B

3rd/4th Shift Fork

1

JR3Z-7124-D

3rd/4th Gear Synchronizer Hub And Sleeve

1

BR3Z-7A010-A Countershaft Bolt Cover
JR3Z-7101-A

Countershaft 3rd Gear

1
1

BR3Z-5B266-A Gasket

1

W719298-S439 Bolt - M12 X 56 mm

3

W717822-S439 Bolt - M10 x 19 mm

2

FR3Z-4B496-B Bolt And Washer - M10 x 1.5 mm

3

W705443-S900 Nut - M10 x 1.5 mm

2

XL-2

Motorcraft® High Temperature Nickel Anti-Seize Lubricant

1

XL-1

Motorcraft® Penetrating And Lock Lubricant

1

XT-11-QDC

Motorcraft® Dual Clutch Transmission Fluid

3

TA-26

Motorcraft® Threadlock 262

1

TA-16

Motorcraft® Gasket Maker

1

XG-11

Motorcraft® High Temperature 4x4 Front Axle And Wheel Bearing Grease

1

Motorcraft® Threadlock And Sealer

1

TA-25-B

Warranty Status: Eligible Under Provisions Of New Vehicle Limited Warranty Coverage Warranty/ESP coverage
limits/policies/prior approvals are not altered by a TSB. Warranty/ESP coverage limits are determined by the
identified causal part and verified using the OASIS part coverage tool.
Labor Times
Description

Operation
Time
No.

2018 Mustang Coupe 5.0L Manual Transmission: Replace Components Following The Service
Procedure Includes Time To Remove And Install Transmission (Do Not Use With Any Other
Labor Operations)

182175A

6.8
Hrs.

2018 Mustang Convertible 5.0L with Manual Transmission: Replace Components Following The
Service Procedure Includes Time To Remove And Install Transmission (Do Not Use With Any
Other Labor Operations)

182175B

7.4
Hrs.

Repair/Claim Coding
Causal Part:

7230

Condition Code: 01

Drive

Tool Name

1/4"

Ratchet

1/4"

Torque Wrench

1/4"

10 mm Socket

1/4"

8 mm Deep Socket

1/4"

Torx® T20

3/8"

Power Tool

3/8"

Torque Wrench

3/8"

Ratchet

3/8"

Air Ratchet

3/8"

30" Extension

3/8"

10 mm Socket

3/8"

15 mm Socket

3/8"

10 mm Deep Socket

3/8"

13 mm Deep Socket

3/8"

10 mm Swivel Socket

3/8"

13 mm Swivel Socket

3/8"

Torx® T30

3/8"

Torx® T40

3/8"

7 mm Allen Key

1/2"

Power Tool

1/2"

Torque Wrench

1/2"

Breaker Bar

1/2"

15 mm Socket

1/2"

18 mm Socket

1/2"

30 mm Deep Socket
21 mm Open Ended Wrench
Trim Tool
Paint Marker
Pry Bar
Wire Brush
Pocket Screwdriver
Hammer
Center Punch
Drill
¼” Drill Bit
Snap Ring Pliers
Feeler Gauge

Drive

Tool Name
GENERAL EQUIPMENT:
Exhaust Stand
Block Of Wood
Drain Pan
Transmission Jack
Slide Hammer/Dent Puller
3-Jaw Puller
2-Jaw Puller
Hydraulic Press
Bearing Separator
Heat Gun
Shop Rag
Fluid Suction Device
Vacuum Pump Kit
ESSENTIAL SPECIAL SERVICE TOOLS:
303-476
307-003
308-375
308-938
308-810
205-153
308-809
308-130
308-808
308-811
308-811
308-806
416-D002

Service Procedure
1. Does the shifter move into the third and fourth 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 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.

© 2018 Ford Motor Company
All rights reserved.
NOTE: The information in Technical Service Bulletins is intended for use by trained, professional technicians with the knowledge, tools, and
equipment to do the job properly and safely. It informs these technicians of conditions that may occur on some vehicles, or provides information

that could assist in proper vehicle service. The procedures should not be performed by "do-it-yourselfers". Do not assume that a condition
described affects your car or truck. Contact a Ford or Lincoln dealership to determine whether the Bulletin applies to your vehicle. Warranty Policy
and Extended Service Plan documentation determine Warranty and/or Extended Service Plan coverage unless stated otherwise in the TSB article.
The information in this Technical Service Bulletin (TSB) was current at the time of printing. Ford Motor Company reserves the right to supersede
this information with updates. The most recent information is available through Ford Motor Company's on-line technical resources.