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NHTSA ID Number: 10160869
Manufacturer Communication Number: TSB19-2140
Summary
Some 2018-2019 F-150 and Mustang
vehicles equipped with a 5.0L engine built on or before 30-Apr-2019 may exhibit a chirping type noise from the upper engine front cover area at warm or hot idle. This noise may sound similar to a front engine accessory drive (FEAD) chirp noise. This may be due to the primary timing chain tensioner oil pressure relief valve. To correct the condition, replace the primary timing chain tensioners. Follow the Service Procedure.
4 Affected Products
Vehicles
Model:
Issue: Some 2018-2019 F-150 and Mustang vehicles equipped with a 5.0L engine built on or before 30-Apr2019 may exhibit a chirping type noise from the upper engine front cover area at warm or hot idle. This noise may sound similar to a front engine accessory drive (FEAD) chirp noise. This may be due to the primary timing chain tensioner oil pressure relief valve. To correct the condition, follow the Service Procedure steps to replace the primary timing chain tensioners.
Action: Follow the Service Procedure steps to correct the condition on vehicles that meet all of the following conditions:
- 2018-2019 F-150/Mustang
- 5.0L Engine
- Built on or before 30-Apr-2019
- Exhibits a chirping noise from the upper engine front cover area at warm or hot idle
Parts
| Description | Quantity | Part Number |
| Primary Timing Chain Tensioner | 2 | JL3Z-6L266-C |
| Crankshaft Bolt | 1 | BR3Z-6A340-A |
| Water Pump O-ring | 1 | F1VY-8507-A |
| Right Valve Cover Gasket | 1 | JL3Z-6584-C |
| Left Valve Cover Gasket | 1 | JL3Z-6584-D |
| VCT Seal | 4 | BR3Z-6C535-A |
| Spark Plug Seals | 8 | HL3Z-6C535-A |
| High Pressure Pump Fuel Tube | 1 | JR3Z-9J323-A |
| High Pressure Pump Fuel Pump O-ring | 1 | FT4Z-9E583-A |
| Front Crank Seal | 1 | GK2Z-6700-A |
| Thermostat Housing Gasket | 1 | 7T4Z-8590-A |
| Front Cover Gasket, Center | 1 | BR3Z-6020-C |
| Front Cover Gasket, Left | 1 | BR3Z-6020-B  |
| Front Cover Gasket, Right | 1 | BR3Z-6020-D |
| Strut Tower Brace Nuts (Mustang Only) | 2 | W712334-S440 |
| A/C Compressor Belt (Mustang Only) | 1 | JR3Z-8620-A |
| Oil Filter | 1 | AA5Z-6714-A |
| Motorcraft® Gasket Remover | 1 | ZC-30-A |
| Motorcraft® Metal Surface Prep Wipes | 1 | ZC-31B |
| Motorcraft® Silicone Gasket and Sealant | 1 | TA-30 |
| Motorcraft® SAE 5W-20 Synthetic Blend Motor Oil (All Markets Except Canada) | F-150: 9, Mustang: 10 | XO-5W20-Q1SP |
| Motorcraft® SAE 5W-20 Super Premium Motor Oil (Canada Only) | F-150: 9, Mustang: 10 | CXO-5W20LSP6 |
Service Procedure
- Remove the FEAD belt and the air conditioning (A/C) compressor belt and start the engine. Refer to the Workshop Manual (WSM), Section 303-05. Is the noise still present?
(1). Yes – proceed to Step 2.
(2). No – this article does not apply. Refer to WSM, Section 303-05D.
- Replace both primary timing chain tensioners. Refer to WSM, Section 303-01.
SEOCONTENT-START
TECHNICAL SERVICE BULLETIN
5.0L – Chirping Noise From Engine Compartment At Warm Or Hot Idle –
Built On Or Before 30-Apr-2019
19-2140
08 May 2019
Model:
Issue: Some 2018-2019 F-150 and Mustang vehicles equipped with a 5.0L engine built on or before 30-Apr-
2019 may exhibit a chirping type noise from the upper engine front cover area at warm or hot idle. This noise
may sound similar to a front engine accessory drive (FEAD) chirp noise. This may be due to the primary timing
chain tensioner oil pressure relief valve. To correct the condition, follow the Service Procedure steps to replace
the primary timing chain tensioners.
Action: Follow the Service Procedure steps to correct the condition on vehicles that meet all of the following
conditions:
• 2018-2019 F-150/Mustang
• 5.0L Engine
• Built on or before 30-Apr-2019
• Exhibits a chirping noise from the upper engine front cover area at warm or hot idle
Parts
Ford
2018-2019 F-150
2018-2019 Mustang
Part Number Description Quantity
JL3Z-6L266-C Primary Timing Chain Tensioner 2
BR3Z-6A340-A Crankshaft Bolt 1
F1VY-8507-A Water Pump O-ring 1
JL3Z-6584-C Right Valve Cover Gasket 1
JL3Z-6584-D Left Valve Cover Gasket 1
BR3Z-6C535-A VCT Seal 4
HL3Z-6C535-A Spark Plug Seals 8
JR3Z-9J323-A High Pressure Pump Fuel Tube 1
FT4Z-9E583-A High Pressure Pump Fuel Pump O-ring 1
GK2Z-6700-A Front Crank Seal 1
7T4Z-8590-A Thermostat Housing Gasket 1
BR3Z-6020-C Front Cover Gasket, Center 1
BR3Z-6020-B Front Cover Gasket, Left 1
BR3Z-6020-D Front Cover Gasket, Right 1
W712334-S440 Strut Tower Brace Nuts (Mustang Only) 2
JR3Z-8620-A A/C Compressor Belt (Mustang Only) 1
AA5Z-6714-A Oil Filter 1
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
Repair/Claim Coding
Service Procedure
1. Remove the FEAD belt and the air conditioning (A/C) compressor belt and start the engine. Refer to the
Workshop Manual (WSM), Section 303-05. Is the noise still present?
(1). Yes – proceed to Step 2.
(2). No – this article does not apply. Refer to WSM, Section 303-05D.
2. Replace both primary timing chain tensioners. Refer to WSM, Section 303-01.
ZC-30-A Motorcraft® Gasket Remover 1
ZC-31B Motorcraft® Metal Surface Prep Wipes 1
TA-30 Motorcraft® Silicone Gasket and Sealant 1
XO-5W20-Q1SP Motorcraft® SAE 5W-20 Synthetic Blend Motor Oil (All Markets Except
Canada)
F-150: 9, Mustang:
10
CXO-5W20-
LSP6
Motorcraft® SAE 5W-20 Super Premium Motor Oil (Canada Only)
F-150: 9, Mustang:
10
Description
Operation
No.
Time
2018-2019 F-150 5.0L: Diagnose And Replace Both Primary Timing Chain Tensioners
(Do Not Use With Any Other Labor Operations)
192140A 8.4
Hrs.
2018-2019 Mustang 5.0L: Diagnose And Replace Both Primary Timing Chain
Tensioners (Do Not Use With Any Other Labor Operations)
192140B 8.5
Hrs.
Causal Part: 6L266
Condition Code: 42
19-2140
08 May 2019
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