NHTSA ID Number: 10222307
Manufacturer Communication Number: TSB 21-2219
Summary
Some 2021 F-650/F-750 vehicles built on or before 20-Nov-2020 may exhibit various electrical concerns and/or various illuminated warning lamps with various diagnostic trouble codes (DTCs) present. This may be due to the battery junction box (BJB) wiring harness contacting the coolant reservoir bracket. To correct the condition, follow the Service Procedure to repair any damaged circuits and secure the BJB wiring harness to the BJB.
This bulletin supersedes 21-2076.
This bulletin supersedes 20-2307.
Model:
Summary
This article supersedes TSB 20-2307 and 21-2076 to update the Issue, Action and Service Procedure.
Issue: Some 2003-2020 Expedition/Navigator and 2006-2020 F-150 (non-Raptor) vehicles equipped with 4WD may exhibit grinding/clicking/ratcheting noise from the front wheel area. This may be due to partial engagement of the integrated wheel ends (IWE). To correct this condition, follow the Service Procedure to remove and cap the vacuum supply line or to reprogram the transfer case control module (TCCM) and replace any worn vacuum and/or IWE components.
Action: Follow the Service Procedure steps to correct the condition on vehicles that meet the following criteria:
- One of the following vehicles:
- 2003-2020 Expedition/Navigator equipped with torque-on-demand (TOD) transfer case (with 4A position on the mode selector switch [MSS])
- 2006-2020 F-150 (non-Raptor) equipped with TOD transfer case (with 4A position on the MSS) (Figure 2)
- 2013-2018 F-150 (non-Raptor) equipped with electronic shift on-the-fly (ESOF) 4WD (does not have a 4A position on the MSS) (Figure 1)
- Grinding/clicking/ratcheting noise from the front axle area
Parts
| Service Part Number | Quantity | Description | Unit of Issue | Piece Quantity |
| W720613-S439 | 1 | Caliper Anchor Bolt (2015-2018 F-150) | 4 | 2 Per Affected Side |
W714743-S439
Ford, BOLT, -W714743-S439
Last update on 2026-06-18 / Affiliate links / Images from Amazon Product Advertising API | 1 | Caliper Anchor Plate Bolt (2013-2014 F-150) | 4 | 2 Per Affected Side |
| N802827-S100A | 1 | Front Half Shaft Nut (2016-2018 F-150 Built On Or After 3-Aug-2016) | 4 | 1 Per Affected Side |
| N802827-S100 | 1 | Front Half Shaft Nut (2013-2016 F-150 Built On Or Before 2-Aug-2016) | 4 | 1 Per Affected Side |
W520215-S441
Ford W520-215S441, Suspension Stabilizer Bar Link Nut
Last update on 2026-06-18 / Affiliate links / Images from Amazon Product Advertising API | 1 | Tie Rod Nut (2013-2014 F-150 Built On Or Before 23-Dec-2014) | 4 | 1 Per Affected Side |
W520215-S440
Ford W520-215S440, Suspension Stabilizer Bar Link Nut
Last update on 2026-06-10 / Affiliate links / Images from Amazon Product Advertising API | 1 | Tie Rod Nut (2014-2018 F-150 Built On Or After 24-Dec-2014) | ||
W520214-S440
Ford W520-214S440, Suspension Stabilizer Bar Link Nut
Last update on 2026-06-09 / Affiliate links / Images from Amazon Product Advertising API | 1 | Upper Ball Joint Nut (2013-2018 F-150) | 2 | 1 Per Affected Side |
| 7L1Z-3C247-A | 1 Per Affected Side | IWE Actuator (2013-2015 F-150 Built On Or Before 11-Oct-2015, 2013-2015 Expedition/Navigator) | 1 | 1 Per Affected Side |
| HL1Z-3C247-A No products found. | 2 | IWE Actuator (2015-2018 F-150 Built On Or After 12-Oct-2015) | ||
| 1104 | 1 Per Affected Side | Front Hub Bearing – Refer To The Parts Catalog For The VIN Specific Application | 1 | 1 Per Affected Side |
| W706890-S439 | 1 Per Affected Side | Front Hub Bearing Bolts | 4 | 4 Per Affected Side |
HL1Z-3C247-B
4-Wheel Drive 4x4 4WD Auto Locking Hub Axle Actuator Front Left or Right - Replaces Part# - 7L1Z-3C247-A - Fits 2004-2012 F150, 2003-2012 Expedition, 2003-2012 Lincoln Navigator - 7L1Z3C247A
Last update on 2026-06-18 / Affiliate links / Images from Amazon Product Advertising API | 1 Per Affected Side | IWE Clutch Ring Kit | 1 | 1 Per Affected Side |
| 3A788 | 1 | 3-Port Check Valve – Refer to the Parts Catalog For The VIN Specific Application | 1 | 1 |
| BL3Z-7A785-A No products found. | 1 | Vacuum Lines (2013-2014 F-150) | 1 | 1 |
FL3Z-7A785-A
2004 2005 2006 2007 2008 Ford F-150 Locking Hub Vacuum Tube GENUINE OEM BRAND NEW FACTORY REPLACEMENT
Last update on 2026-06-18 / Affiliate links / Images from Amazon Product Advertising API | 1 | Vacuum Lines (2015-2018 F-150) | 1 | 1 |
| FL3Z-3C125-A
Last update on 2026-06-18 / Affiliate links / Images from Amazon Product Advertising API | 1 | Vacuum Hose To IWE (2015-2018 F-150) | 1 | 1 |
| W716372-S300 | 1 | Cap (2006-2020 F-150 With TOD Transfer Case, 2003-2020 Expedition/Navigator) | 4 | 2 |
| XG-1-E1 No products found. | As Needed | Motorcraft® Premium Long-Life Grease |
Service Procedure
1. Does the vehicle have a MSS that only includes 2H, 4H and 4L positions (does not include 4A)? (Figure 1)
Figure 1 – Example of MSS without 4A selection
(1). Yes – proceed to Step 2.
(2). No – proceed to Step 4.
2. Is the vehicle a 2017-2018 F-150?
(1). Yes – reprogram the TCCM using the latest version of the appropriate Ford
scan tool.
NOTE: The new TCCM calibration changes IWE operation at start up. When ambient temperature is above 0°C (32°F) the IWEs stay engaged regardless of a 4WD mode selection for approximately 0.8 km (0.5 miles). IWE engagement only occurs once per key cycle and is not reset when shifting between PARK and DRIVE. The TCCM uses this strategy to delay vacuum use until vacuum-intensive engine startup has completed and sufficient vacuum is available to fully disengage IWEs.
(2). No – refer to the 2018 F-150 Workshop Manual (WSM), Section 308-07A Four-Wheel Drive Systems, Diagnosis and Testing, Four-Wheel Drive Systems – Vehicles With: Electronic Shift Transfer Case, Pinpoint Test N for normal diagnostics. Repair is complete.
3. Perform the vacuum system check procedure.
(1). For 2017 vehicles, refer to WSM, Section 308-07A Four-Wheel Drive Systems, Diagnosis and Testing, Four-Wheel Drive Systems – Vehicles With: Electronic Shift Transfer Case Pinpoint Test E. Repair is complete.
(2). For 2018 vehicles, refer to WSM, Section 308-07A Four-Wheel Drive Systems, Diagnosis and Testing, Four-Wheel Drive Systems – Vehicles With: Electronic Shift Transfer Case Pinpoint Test N. Repair is complete.
4. Does the vehicle have a MSS that includes a 4-wheel auto (4A) option? (Figure 2)
Figure 2 – Example of MSS with 4A selection
(1). Yes – proceed to Step 5
(2). No – this article does not apply. Refer to the Workshop Manual (WSM) for normal diagnostics.
5. Locate the vacuum supply line between the source vacuum and the IWE check valve. Refer to WSM, Section 308-07A. (Figures 3-4)
6. Remove the vacuum supply line.
7. Install the vacuum caps at the IWE check valve and the vacuum source.
2 Affected Products
Vehicles
1 Associated Document
Manufacturer Communications
22-2219
20 June 2022
MC-10222307-0001.pdf 336.571KB
NHTSA ID Number: 10214754
Manufacturer Communication Number: TSB 22-2219
Summary
Some 2003-2020 Expedition/Navigator and 2006-2020 F-150 (non-Raptor) vehicles equipped with 4WD may exhibit grinding/clicking/ratcheting noise from the front wheel area. This may be due to partial engagement of the integrated wheel ends (IWE). To correct this condition, follow the Service Procedure to remove and cap the vacuum supply line or to reprogram the transfer case control module (TCCM) and replace any worn vacuum and/or IWE components.
1 Associated Document
Manufacturer Communications
22-2219
20 June 2022
MC-10214754-0001.pdf 176.182KB
NHTSA ID Number: 10189784
Manufacturer Communication Number: TSB 21-2076
Summary
Some 2013-2018 F-150 vehicles equipped with electronic shift on-the-fly (ESOF) 4-wheel drive (4WD) may exhibit an intermittent grinding noise while driving in 2-wheel drive (2WD) mode most commonly on acceleration. ESOF can be identified as it does not have a 4WD AUTO (4A) position on the mode selector switch (MSS). This may be due to a loss of vacuum to the integrated wheel end (IWE) actuators and/or wear of the IWE components. To correct the condition, follow the Service Procedure steps to reprogram the transfer case control module (TCCM) and replace any worn vacuum and/or IWE components.
1 Associated Document
Manufacturer Communications
21-2076
17 March 2021
MC-10189784-0001.pdf 746.108KB
NHTSA ID Number: 10181917
Manufacturer Communication Number: TSB 20-2307
Summary
Some 2003-2020 Expedition/Navigator and 2006-2020 F-150 vehicles equipped with TOD transfer cases may exhibit grinding/clicking/ratcheting noise from the front wheel area. This may be due to partial engagement of the integrated wheel ends (IWE). To correct this condition, follow the Service Procedure steps to remove and cap the vacuum supply line.
1 Associated Document
Manufacturer Communications
20-2307
15 October 2020
MC-10181917-0001.pdf 406.947KB
NHTSA ID Number: 10181915
Manufacturer Communication Number: TSB 20-2278
Summary
Some 2013-2018 F-150 vehicles equipped with Electronic Shift On-The-Fly (ESOF) 4-wheel drive (4WD) may exhibit an intermittent grinding noise while driving in 2-wheel drive (2WD) mode most commonly on acceleration. This may be due to a loss of vacuum to the integrated wheel end (IWE) actuators and/or wear of the IWE components. To correct the condition, follow the Service Procedure steps to reprogram the transfer case control module (TCCM) and replace any worn vacuum and/or IWE components.
1 Associated Document
Manufacturer Communications
20-2278
15 October 2020
MC-10181915-0001.pdf 730.654KB
NHTSA ID Number: 10171859
Manufacturer Communication Number: TSB-20-2028
Summary
Some 2013-2018 F-150/Expedition/Navigator vehicles equipped with 4-wheel drive (4WD) may exhibit an intermittent grinding noise while driving in 2-wheel drive (2WD) mode most commonly on acceleration. This may be due to a loss of vacuum to the integrated wheel end (IWE) actuators and/or wear of the IWE components. To correct the condition, follow the Service Procedure steps to reprogram the transfer case control module (TCCM) and replace any worn vacuum and/or IWE components.
1 Associated Document
Manufacturer Communications
20-2028
11 February 2020
MC-10171859-0001.pdf 704.113KB
NHTSA ID Number: 10176835
Manufacturer Communication Number: TSB 20-2189
Summary
This article supersedes TSB 20-2028 to update the description of Labor Operation D. Some 2013-2018 F-150/Expedition/Navigator vehicles equipped with 4-wheel drive (4WD) may exhibit an intermittent grinding noise while driving in 2-wheel drive (2WD) mode most commonly on acceleration. This may be due to a loss of vacuum to the integrated wheel end (IWE) actuators and/or wear of the IWE components. To correct the condition, follow the Service Procedure steps to reprogram the transfer case control module (TCCM) and replace any worn vacuum and/or IWE components.
1 Associated Document
Manufacturer Communications
20-2189
01 June 2020
MC-10176835-0001.pdf 823.603KB
NHTSA ID Number: 10170914
Manufacturer Communication Number: TSB 20-2013
Summary
Some 2013-2018 F-150/Expedition/Navigator vehicles equipped with 4-wheel drive (4WD) may exhibit an intermittent grinding noise while driving in 2-wheel drive (2WD) mode most commonly on acceleration. This may be due to a loss of vacuum to the integrated wheel end (IWE) actuators and/or wear of the IWE components. To correct the condition, follow the Service Procedure steps to reprogram the transfer case control module (TCCM) and replace any worn vacuum and/or IWE components.
1 Associated Document
Manufacturer Communications
20-2013
17 January 2020
NHTSA ID Number: 10164426
Manufacturer Communication Number: TSB 19-2252
Summary
Some 2013-2018 F-150/Expedition/Navigator vehicles equipped with four wheel drive (4WD) may exhibit an intermittent grinding noise while driving in two wheel drive (2WD) mode most commonly on acceleration. This may be due to a loss of vacuum to the integrated wheel end (IWE) actuators and/or wear of the IWE components. To correct the condition, follow the Service Procedure steps to replace the worn vacuum and/or IWE components.
1 Associated Document
Manufacturer Communications
19-2252
22 August 2019
MC-10164426-0001.pdf 491.036KB
NHTSA ID Number: 10149748
Manufacturer Communication Number: TSB 18-2273
Summary
Some 2013-2018 F-150/Expedition/Navigator vehicles may exhibit an intermittent grinding noise coming from the right or left IWE area in 2WD mode. Follow the Service Procedure steps to correct the condition.
1 Associated Document
Manufacturer Communications
18-2273
17 September 2018
MC-10149748-9999.pdf 308.073KB
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Last update on 2026-06-04 / Affiliate links / Images from Amazon Product Advertising API
SEOCONTENT-START
TECHNICAL SERVICE BULLETIN 4WD – Grinding/Clicking/Ratcheting Noise From Front Wheel Area 22-2219 20 June 2022 This bulletin supersedes 21-2076. This bulletin supersedes 20-2307. Model: Ford 2003-2020 Expedition 2006-2020 F-150 Lincoln 2003-2020 Navigator 4WD Non-Raptor 4WD 4WD Summary This article supersedes TSB 20-2307 and 21-2076 to update the Issue, Action and Service Procedure. Issue: Some 2003-2020 Expedition/Navigator and 2006-2020 F-150 (non-Raptor) vehicles equipped with 4WD may exhibit grinding/clicking/ratcheting noise from the front wheel area. This may be due to partial engagement of the integrated wheel ends (IWE). To correct this condition, follow the Service Procedure to remove and cap the vacuum supply line or to reprogram the transfer case control module (TCCM) and replace any worn vacuum and/or IWE components. Action: Follow the Service Procedure steps to correct the condition on vehicles that meet the following criteria: • One of the following vehicles: – 2003-2020 Expedition/Navigator equipped with torque-on-demand (TOD) transfer case (with 4A position on the mode selector switch [MSS]) – 2006-2020 F-150 (non-Raptor) equipped with TOD transfer case (with 4A position on the MSS) (Figure 2) – 2013-2018 F-150 (non-Raptor) equipped with electronic shift on-the-fly (ESOF) 4WD (does not have a 4A position on the MSS) (Figure 1) • Grinding/clicking/ratcheting noise from the front axle area Parts Service Part Number Quantity Description Unit of Issue Piece Quantity W720613-S439 W714743-S439 N802827- S100A N802827-S100 W520215-S441 W520215-S440 W520214-S440 1 Caliper Anchor Bolt (2015-2018 F-150) 1 Caliper Anchor Plate Bolt (2013-2014 F-150) 1 Front Half Shaft Nut (2016-2018 F-150 Built On Or After 3-Aug-2016) 1 Front Half Shaft Nut (2013-2016 F-150 Built On Or Before 2-Aug-2016) 1 Tie Rod Nut (2013-2014 F-150 Built On Or Before 23- Dec-2014) 1 Tie Rod Nut (2014-2018 F-150 Built On Or After 24-Dec- 2014) 1 Upper Ball Joint Nut (2013-2018 F-150) 4 2 Per Affected Side 4 2 Per Affected Side 4 1 Per Affected Side 4 1 Per Affected Side 4 1 Per Affected Side 2 d Side 7L1Z-3C247-A HL1Z-3C247-A 1104 W706890-S439 HL1Z-3C247-B 3A788 BL3Z-7A785-A FL3Z-7A785-A FL3Z-3C125-A W716372-S300 XG-1-E1 1 Per Affected Side 2 1 Per Affected Side 1 Per Affected Side 1 Per Affected Side 1 1 1 1 1 As Needed IWE Actuator (2013-2015 F-150 Built On Or Before 11- Oct-2015, 2013-2015 Expedition/Navigator) IWE Actuator (2015-2018 F-150 Built On Or After 12- Oct-2015) Front Hub Bearing – Refer To The Parts Catalog For The VIN Specific Application Front Hub Bearing Bolts IWE Clutch Ring Kit 3-Port Check Valve – Refer to the Parts Catalog For The VIN Specific Application Vacuum Lines (2013-2014 F-150) Vacuum Lines (2015-2018 F-150) Vacuum Hose To IWE (2015-2018 F-150) Cap (2006-2020 F-150 With TOD Transfer Case, 2003- 2020 Expedition/Navigator) Motorcraft® Premium Long-Life Grease 1 1 Per Affected Side 1 1 Per Affected Side 4 4 Per Affected Side 1 1 Per Affected Side 1 1 1 1 1 1 1 1 4 2 Warranty Status: Eligible under provisions of New Vehicle Limited Warranty (NVLW)/Service Part Warranty (SPW)/Special Service Part (SSP)/Extended Service Plan (ESP) coverage. Limits/policies/prior approvals are not altered by a TSB. NVLW/SPW/SSP/ESP coverage limits are determined by the identified causal part and verified using the OASIS part coverage tool. Labor Times Description Diagnose And Replace Any Worn Vacuum And/Or IWE Components Following The Service Procedure Operation No. MT222219 Time Actual Time Repair/Claim Coding Causal Part: 3C247 Condition Code: D4 Service Procedure 1. Does the vehicle have a MSS that only includes 2H, 4H and 4L positions (does not include 4A)? (Figure 1) Figure 1 – Example of MSS without 4A selection (1). Yes – proceed to Step 2. (2). No – proceed to Step 4. 2. Is the vehicle a 2017-2018 F-150? (1). Yes – reprogram the TCCM using the latest version of the appropriate Ford scan tool. NOTE: The new TCCM calibration changes IWE operation at start up. When ambient temperature is above 0°C (32°F) the IWEs stay engaged regardless of a 4WD mode selection for approximately 0.8 km (0.5 miles). IWE engagement only occurs once per key cycle and is not reset when shifting between PARK and DRIVE. The TCCM uses this strategy to delay vacuum use until vacuum-intensive engine startup has completed and sufficient vacuum is available to fully disengage IWEs. (2). No – refer to the 2018 F-150 Workshop Manual (WSM), Section 308-07A Four-Wheel Drive Systems, Diagnosis and Testing, Four-Wheel Drive Systems – Vehicles With: Electronic Shift Transfer Case, Pinpoint Test N for normal diagnostics. Repair is complete. 3. Perform the vacuum system check procedure. (1). For 2017 vehicles, refer to WSM, Section 308-07A Four-Wheel Drive Systems, Diagnosis and Testing, Four- Wheel Drive Systems – Vehicles With: Electronic Shift Transfer Case Pinpoint Test E. Repair is complete. (2). For 2018 vehicles, refer to WSM, Section 308-07A Four-Wheel Drive Systems, Diagnosis and Testing, Four- Wheel Drive Systems – Vehicles With: Electronic Shift Transfer Case Pinpoint Test N. Repair is complete. 4. Does the vehicle have a MSS that includes a 4-wheel auto (4A) option? (Figure 2) Figure 2 – Example of MSS with 4A selection (1). Yes – proceed to Step 5 (2). No – this article does not apply. Refer to the Workshop Manual (WSM) for normal diagnostics. 5. Locate the vacuum supply line between the source vacuum and the IWE check valve. Refer to WSM, Section 308- 07A. (Figures 3-4) 6. Remove the vacuum supply line. 7. Install the vacuum caps at the IWE check valve and the vacuum source. © 2022 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 de this information with updates. The most recent information is available through Ford Motor Company’s on-line technical resources.
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SEOCONTENT-END
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