NHTSA ID Number: 10233584
Manufacturer Communication Number: TSB 23-2049
Summary
Some 2019-2023 Edge/Nautilus vehicles equipped with a 2.7L EcoBoost engine may exhibit a ticking/tapping or rattle type noise from the top front cover area of the engine on initial start-up after a cold soak of 6 hours or more that may last for 2-5 seconds. This may be due to stuck internal components of the variable cam timing (VCT) unit. To correct the condition, follow the Service Procedure to replace the VCT units.
This bulletin supersedes 22-2376.
Model:
Summary
This TSB supersedes TSB 22-2376 to update the model years affected.
Issue: Some 2019-2023 Edge/Nautilus vehicles equipped with a 2.7L EcoBoost engine may exhibit a ticking/tapping or rattle type noise from the top front cover area of the engine on initial start-up after a cold soak of 6 hours or more that may last for 2-5 seconds. This may be due to stuck internal components of the variable cam timing (VCT) unit. To correct the condition, follow the Service Procedure to replace the VCT units.
Action: Follow the Service Procedure to correct the condition on vehicles that meet all of the following criteria:
- 2019-2023 Edge/Nautilus
- 2.7L EcoBoost engine
- Customer symptom of ticking/tapping or rattle noise from the front cover area after a cold start
NOTE: Dealers should only order parts for customer vehicles that require repairs. Because of part constraints, dealers may experience situational short-term backorders on some parts. Customers should continue to drive vehicles while parts are on order.
Parts
All Vehicles – Required Parts
| Service Part Number | Quantity | Description | Unit of Issue | Piece Quantity |
| CP9Z-6279-C | 4 | VCT Unit Bolts | 1 | 4 |
| FT4Z-6A340-A | 1 | Crankshaft Pulley Bolt | 1 | 1 |
| KU2Z-6731-A | 1 | Engine Oil Filter | 1 | 1 |
| JT4Z-6710-A | 1 | Oil Pan Press-In-Place Gasket | 1 | 1 |
| KT4Z-6710-A | 1 | Oil Pan Gasket | 1 | 1 |
| FT4Z-6626-A | 1 | Oil Pump Seal | 1 | 1 |
| FT4Z-6020-G | 1 | Coolant Pump Gasket | 1 | 1 |
| FT4Z-8507-C | 1 | Coolant Pump Seal | 1 | 1 |
| XW4Z-6700-B | 1 | Crankshaft Front Oil Seal | 1 | 1 |
| FT4Z-6020-K | 1 | Engine Front Cover Gasket 1 | 1 | 1 |
| FT4Z-6020-H | 1 | Engine Front Cover Gasket 2 | 1 | 1 |
| FT4Z-6020-J | 1 | Engine Front Cover Gasket 3 | 1 | 1 |
| FT4Z-6020-A | 1 | Engine Front Cover Gasket 4 | 1 | 1 |
| FT4Z-00815-C | 1 | Oil Gallery Seal | 1 | 1 |
| L1MZ-6256-C | 2 | VCT Unit – Intake | 1 | 2 |
| L1MZ-6C525-C | 2 | VCT Unit – Exhaust | 1 | 2 |
| BL3Z-9450-A
Ford BL3Z-9450-A Gasket
Last update on 2026-06-09 / Affiliate links / Images from Amazon Product Advertising API | 2 | Catalytic Converter Gasket | 1 | 2 |
| FT4Z-6584-D | 1 | Left Valve Cover Gasket | 1 | 1 |
| FT4Z-6584-B | 1 | Right Valve Cover Gasket | 1 | 1 |
| FT4Z-6584-C | 1 | Left Valve Cover Gasket | 1 | 1 |
| FT4Z-6584-E | 1 | Right Valve Cover Gasket | 1 | 1 |
| 1X4Z-9E936-AA | 1 | Throttle Body Gasket | 1 | 1 |
| DL3Z-19B596-B No products found. | 1 | A/C O-Ring Kit | 1 | 1 |
| DS7Z-19B596-A
Ford KIT - AIR CONDI
Last update on 2026-06-18 / Affiliate links / Images from Amazon Product Advertising API | 1 | A/C Gasket Kit | 1 | 1 |
| W712334-S440 | 2 | Engine Mount Bracket-To-Engine Nuts | 3 | 4 |
| W717674-S439 | 1 | Engine Mount-To-Frame Bolts | 4 | 2 |
| W710807-S442 | 1 | Engine Mount-To-Frame Nut | 4 | 1 |
| W716457-S439 | 1 | Subframe Bolts | 4 | 2 |
| W712458-S900 | 1 | Exhaust Studs | 4 | 4 |
| W714265-S442 | 1 | Catalytic Converter To Turbo Flange Nuts | 4 | 4 |
| VC-13DL-G
Ford Genuine Anti Freeze, VC-13DL-G
Last update on 2026-06-18 / Affiliate links / Images from Amazon Product Advertising API | As Needed | Motorcraft® Yellow Prediluted Antifreeze/Coolant (All Markets Except Canada) | ||
| CVC-13DL-G | As Needed | Motorcraft® Yellow Prediluted Antifreeze/Coolant (Canada Only) | ||
| XO-5W30-Q1SP | As Needed | Motorcraft® SAE 5W-30 Synthetic Blend Motor Oil (All Markets Except Canada) | ||
| CXO-5W30-LSP6 | As Needed | Motorcraft® SAE 5W-30 Super Premium Motor Oil (Canada Only) | ||
| XL-2
Genuine Ford Accessories (XL-2) High Temperature Nickel Anti-Seize Lubricant - 8 oz.
Last update on 2026-06-10 / Affiliate links / Images from Amazon Product Advertising API | As Needed | Motorcraft® High Temperature Nickel Anti-Seize Lubricant | ||
| ZC-37-A
Last update on 2026-06-09 / Affiliate links / Images from Amazon Product Advertising API | As Needed | Motorcraft® Wheel and Tire Cleaner | ||
| XL-1
Genuine Ford Fluid XL-1 Penetrating and Lock Lubricant - 12 oz. Aerosol
Last update on 2026-06-09 / Affiliate links / Images from Amazon Product Advertising API | As Needed | Motorcraft® Penetrating and Lock Lubricant | ||
| TA-26
Motorcraft #ta26 Adhesive (ta26)
Last update on 2026-06-09 / Affiliate links / Images from Amazon Product Advertising API | As Needed | Motorcraft® Threadlock 262 | ||
| YN-35
Motorcraft - Oil - Compressor - Air Co (YN35)
Last update on 2026-06-09 / Affiliate links / Images from Amazon Product Advertising API | As Needed | Motorcraft® R-1234yf Refrigerant PAG Oil | ||
| TA-357
SEALANT - SILICONE
Last update on 2026-06-10 / Affiliate links / Images from Amazon Product Advertising API | As Needed | Motorcraft® High Performance Engine RTV Silicone |
Parts
Nautilus Only Parts
| Service Part Number | Quantity | Description | Unit of Issue | Piece Quantity |
| W712961-S450B | 1 | Steering Shaft Coupler Bolt | 4 | 1 |
| 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 | 4 | 2 |
| W712503-S440
Ford W712-503S440, Suspension Stabilizer Bar Link Nut
Last update on 2026-06-18 / Affiliate links / Images from Amazon Product Advertising API | 2 | Stabilizer Bar Nuts | 1 | 2 |
| 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 | Ball Joint Nut | 2 | 2 |
| W500545-S439
Last update on 2026-06-12 / Affiliate links / Images from Amazon Product Advertising API | 1 | Ball Joint Stud | 4 | 2 |
| W717016-S439 | 1 | Rearward Subframe Bolt | 4 | 2 |
Parts
All Vehicles – Parts To Inspect And Replace Only If Necessary
| Service Part Number | Quantity | Description | Unit of Issue |
| FT4Z-6A832-C | If Needed | Oil Filter Housing And Stem | 1 |
| BR3Z-6C535-B
Ford BR3Z-6C535-B - Seal - Valve
Last update on 2026-06-10 / Affiliate links / Images from Amazon Product Advertising API | If Needed | Spark Plug Seals | 1 |
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. Replace all 4 VCT units. Refer to Workshop Manual (WSM), Section 303-01. Do not replace any additional VCT or engine timing-related components not included in the Parts List.
(1). All the VCT solenoid and spark plug tube seals require inspection, but not all require replacement.
13 Affected Products
Vehicles
1 Associated Document
Manufacturer Communications
23-2049
28 March2023
MC-10233584-0001.pdf 208.191KB
NHTSA ID Number: 10225444
Manufacturer Communication Number: TSB 22-2376
Summary
Some 2019-2022 Edge/Nautilus vehicles equipped with a 2.7L EcoBoost engine may exhibit a ticking/tapping or rattle type noise from the top front cover area of the engine on initial start-up after a cold soak of 6 hours or more that may last for 2-5 seconds. This may be due to stuck internal components of the variable cam timing (VCT) unit. To correct the condition, follow the Service Procedure to replace the VCT units.
1 Associated Document
Manufacturer Communications
22-2376
21 October 2022
- Formulated for engines with 75,000 miles or more, Valvoline MaxLife High Mileage synthetic blend is formulated with seal conditioners to help prevent oil leaks and reduce oil consumption
- Delivers 20% better wear protection and 15% better sludge defense than industry standards to help prevent engine breakdown
- Extra detergents safeguard against friction, corrosion and deposits to keep high-mileage engines clean
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- Mobil 1 advanced full-synthetic motor oil 5W-30 utilizes Mobil 1’s signature Triple Action Formula to deliver outstanding engine performance, protection, and cleanliness.
- Helps protect critical engine parts for up to 10,000 miles between oil changes,* controlling oxidation to prevent oil breakdown and maintaining excellent viscosity
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- Mobil 1 is specially formulated to help remove sludge and lower engine temperatures
- Provides excellent internal engine heat protection (up to 500 degrees F) and low temperature protection (to -30 degrees F)
- 6X better wear protection on critical engine parts than industry standards**
- 1.3X better sludge protection than industry standards*
- 3X Stronger against viscosity breakdown than leading full synthetic^
- Protection for 10,000 miles between oil changes
- As measured in Sequence VH sludge test vs. API SP limits
- Designed for vehicles with 75,000 miles or more, Valvoline MaxLife Full Synthetic High Mileage Motor Oil helps maximize engine life and performance for the many miles still ahead
- Formulated with seal conditioners to help prevent oil leaks, reduce oil consumption, and improve fuel economy
- Delivers 50% stronger wear protection than industry standards for superior defense against friction and wear
- Provides 20% stronger sludge defense than industry standards to protect against harmful buildup and deposits
- Offers 2.5X better heat protection than industry standards to safeguard engines in extreme conditions
- Advanced protection against the four main causes of engine breakdown: wear friction heat and deposits
- Delivers 40% stronger wear protection than industry standards to reduce friction and improve fuel economy
- Provides 15% better deposit defense vs. industry standards, keeping engines cleaner for smoother performance and longer-lasting protection
- Up to 2.5X better heat protection vs. industry standards to fight harmful sludge formation and thermal breakdown
- Engineered for excellent low-temperature flow, reducing metal-to-metal contact during cold starts — when most engine wear typically occurs
Last update on 2026-05-31 / Affiliate links / Images from Amazon Product Advertising API
SEOCONTENT-START
TECHNICAL SERVICE BULLETIN 2.7L EcoBoost – Cold Start Tickin /Tapping Or Rattle Type Noise 23-2049 28 March 2023 This bulletin supersedes 22-2376. Model: Ford 2019-2023 Edge Lincoln 2019-2023 Nautilus Engine: 2.7L EcoBoost Engine: 2.7L EcoBoost Summary This TSB supersedes TSB 22-2376 to update the model years affected. Issue: Some 2019-2023 Edge/Nautilus vehicles equipped with a 2.7L EcoBoost engine may exhibit a ticking/tapping or rattle type noise from the top front cover area of the engine on initial start-up after a cold soak of 6 hours or more that may last for 2-5 seconds. This may be due to stuck internal components of the variable cam timing (VCT) unit. To correct the condition, follow the Service Procedure to replace the VCT units. Action: Follow the Service Procedure to correct the condition on vehicles that meet all of the following criteria: • 2019-2023 Edge/Nautilus • 2.7L EcoBoost engine • Customer symptom of ticking/tapping or rattle noise from the front cover area after a cold start NOTE: Dealers should only order parts for customer vehicles that require repairs. Because of part constraints, dealers may experience situational short-term backorders on some parts. Customers should continue to drive vehicles while parts are on order. Parts All Vehicles – Required Parts Service Part Number CP9Z-6279-C FT4Z-6A340-A KU2Z-6731-A
JT4Z-6710-A KT4Z-6710-A FT4Z-6626-A
FT4Z-6020-G FT4Z-8507-C XW4Z-6700-B FT4Z-6020-K FT4Z-6020-H FT4Z-6020-J FT4Z-6020-A FT4Z-00815-C Quantity 4 1 1 1 1 1 1 1 1 1 1 1 1 1 Description VCT Unit Bolts Crankshaft Pulley Bolt Engine Oil Filter Oil Pan Press-In-Place Gasket Oil Pan Gasket Oil Pump Seal Coolant Pump Gasket Coolant Pump Seal Crankshaft Front Oil Seal Engine Front Cover Gasket 1 Engine Front Cover Gasket 2 Engine Front Cover Gasket 3 Engine Front Cover Gasket 4 Oil Gallery Seal Unit of Issue 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Piece Quantity 4 1 1 1 1 1 1 1 1 1 1 1 1 1 L1MZ-6256-C L1MZ-6C525-C BL3Z-9450-A FT4Z-6584-D FT4Z-6584-B FT4Z-6584-C FT4Z-6584-E 1X4Z-9E936-AA
DL3Z-19B596-B DS7Z-19B596-A W712334-S440 W717674-S439 W710807-S442 W716457-S439 W712458-S900 W714265-S442
VC-13DL-G CVC-13DL-G XO-5W30-Q1SP
CXO-5W30-LSP6 XL-2 ZC-37-A XL-1 TA-26 YN-35 TA-357 2 2 2 1 1 1 1 1 1 1 2 1 1 1 1 1 As Needed As Needed As Needed As Needed As Needed As Needed As Needed As Needed As Needed As Needed VCT Unit – Intake 1 2 VCT Unit – Exhaust 1 2 Catalytic Converter Gasket 1 2 Left Valve Cover Gasket 1 1 Right Valve Cover Gasket 1 1 Left Valve Cover Gasket 1 1 Right Valve Cover Gasket 1 1 Throttle Body Gasket 1 1 A/C O-Ring Kit 1 1 A/C Gasket Kit 1 1 Engine Mount Bracket-To-Engine Nuts 3 4 Engine Mount-To-Frame Bolts 4 2 Engine Mount-To-Frame Nut 4 1 Subframe Bolts 4 2 Exhaust Studs 4 4 Catalytic Converter To Turbo Flange Nuts 4 4 Motorcraft® Yellow Prediluted Antifreeze/Coolant (All Markets Except Canada) Motorcraft® Yellow Prediluted Antifreeze/Coolant (Canada Only) Motorcraft® SAE 5W-30 Synthetic Blend Motor Oil (All Markets Except Canada) Motorcraft® SAE 5W-30 Super Premium Motor Oil (Canada Only) Motorcraft® High Temperature Nickel Anti-Seize Lubricant Motorcraft® Wheel and Tire Cleaner Motorcraft® Penetrating and Lock Lubricant Motorcraft® Threadlock 262 Motorcraft® R-1234yf Refrigerant PAG Oil Motorcraft® High Performance Engine RTV Silicone Parts Nautilus Only Parts Service Part Number Quantity Description Unit of Issue Piece Quantity W712961-S450B 1 Steering Shaft Coupler Bolt 4 1 W520215-S440 1 Tie Rod Nut 4 2 W712503-S440 2 Stabilizer Bar Nuts 1 2 W520214-S440 1 Ball Joint Nut 2 2 W500545-S439 1 Ball Joint Stud 4 2 W717016-S439 1 Rearward Subframe Bolt 4 2 Parts All Vehicles – Parts To Inspect And Replace Only If Necessary Service Part Number Quantity Description Unit of Issue FT4Z-6A832-C
If Needed Oil Filter Housing And Stem 1 BR3Z-6C535-B If Needed Spark Plug Seals 1 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. Warranty Status: Eligible under provisions of New Vehicle Limited Warranty (NVLW)/Emissions Warranty/Service Part Warranty (SPW)/Special Service Part (SSP)/Extended Service Plan (ESP) coverage. Limits/policies/prior approvals are not altered by a TSB. NVLW/Emissions Warranty/SPW/SSP/ESP coverage limits are determined by the identified causal part and verified using the OASIS part coverage tool. Labor Times Description 2019-2023 Edge AWD 2.7L EcoBoost, Nautilus FWD/AWD 2.7L EcoBoost: Replace All 4 VCT Units (Do Not Use With Any Other Labor Operations) Operation No. 232049A Time 14.7 Hrs. Repair/Claim Coding Causal Part: 6C525 Condition Code: 42 Service Procedure 1. Replace all 4 VCT units. Refer to Workshop Manual (WSM), Section 303-01. Do not replace any additional VCT or engine timing-related components not included in the Parts List. (1). All the VCT solenoid and spark plug tube seals require inspection, but not all require replacement. © 2023 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.
SEOCONTENT-END
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