5.0L – Oil Leaks From Valve Cover Gasket – 2015-2017 Ford Mustang

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NHTSA ID Number: 10167184

Manufacturer Communication Number: TSB 19-2309

Summary

Some 2015-2017 Mustang vehicles equipped with a 5.0L engine may exhibit an oil leak from either valve cover gasket. This may be due to the valve covers warping due to excessive heat. To correct the condition, follow the Service Procedure steps to add fasteners to both valve covers.

 

3 Affected Products

Vehicle

MAKE MODEL YEAR
FORD MUSTANG 2015-2017

 


This bulletin supersedes 19-2260. Reason for update: Incorrect or Incomplete Symptom

 

Model:

Ford

2015-2017 Mustang

 

Summary

This article supersedes TSB 19-2260 to update the Issue Statement and Service Procedure.

 

Issue: Some 2015-2017 Mustang vehicles equipped with a 5.0L engine may exhibit an oil leak from either valve cover gasket. This may be due to the valve covers warping due to excessive heat. To correct the condition, follow the Service Procedure steps to add fasteners to both valve covers.

 

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

 

Parts

Description Quantity Part Number
Valve Cover Bolt (Package Contains 1 Piece, 8 Pieces Required) 8 JR3Z-00812-B
Strut Tower Brace/Cowl Extension Nut (Package Contains 3 Pieces, 4 Pieces Required) 2 W712334-S440
Valve Cover Gasket (Left Side) 1 ER3Z-6584-B 5.0L - Oil Leaks From Valve Cover Gasket - 2015-2017 Ford Mustang | small light
Valve Cover Gasket (Right Side) 1 ER3Z-6584-A 5.0L - Oil Leaks From Valve Cover Gasket - 2015-2017 Ford Mustang | small light
VCT Seal As Needed BR3Z-6C535-A 5.0L - Oil Leaks From Valve Cover Gasket - 2015-2017 Ford Mustang | small light
Spark Plug Seal As Needed BR3Z-6C535-B 5.0L - Oil Leaks From Valve Cover Gasket - 2015-2017 Ford Mustang | small light
Motorcraft® Silicone Gasket Remover As Needed ZC-30-A 5.0L - Oil Leaks From Valve Cover Gasket - 2015-2017 Ford Mustang | small light
Motorcraft® Metal Surface Prep Wipes As Needed ZC-31-B 5.0L - Oil Leaks From Valve Cover Gasket - 2015-2017 Ford Mustang | small light
Motorcraft® Silicone Gasket and Sealant As Needed TA-30 5.0L - Oil Leaks From Valve Cover Gasket - 2015-2017 Ford Mustang | small light
Motorcraft® Metal Brake Parts Cleaner As Needed PM-4-A 5.0L - Oil Leaks From Valve Cover Gasket - 2015-2017 Ford Mustang | small light
Motorcraft® SAE 5W-20 Synthetic Blend Motor Oil (All Markets Except Canada) As Needed XO-5W20- Q1SP
Motorcraft® SAE 5W-20 Super Premium Motor Oil (Canada Only) As Needed CXO-5W20- LSP6

 


 


Service Procedure

  1. Remove both valve covers. Refer to Workshop Manual (WSM), Section 303-01C.

 CAUTION: Use a shop rag to prevent shavings from the drilling process from going into the under side of the valve cover. Thoroughly clean the under side of each valve cover after drilling to remove any shavings which may have entered into the under side of the valve cover. Any shavings left in the valve cover when it is reinstalled on the engine may enter the engine and cause damage to it.

  1. Using a 10 mm (0.394 in) drill bit and drilling from the underside of the valve covers, drill holes through the 5 tabs along the perimeter of the valve covers that do not already have holes. This will allow fasteners to go through them. Use the indented area on each tab as a guide to center the drill bit to make sure the holes are drilled in proper alignment to allow fasteners to pass through them and thread into the corresponding holes in the cylinder head when the valve covers are reinstalled on the engine. (Figure 1, right side shown, left side similar)

Figure 1

valve cover

  1. Reinstall the valve covers onto the engine, adding fasteners through the holes drilled in Step 2. Refer to WSM, Section 303-01C. Follow the revised tightening sequence in Figure 2 for the left valve cover and Figure 3 for the right valve cover. Tighten the fasteners to 10 Nm (89 lb-in).

Figure 2

valve cover

 

Figure 3

valve cover

  1. Make sure the engine oil level is at the proper level after completing the repair.

19-2309
16 October 2019

https://www.nhtsa.gov/recalls?nhtsaId=10167184

https://static.nhtsa.gov/odi/tsbs/2019/MC-10167184-0001.pdf

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19-2260
28 August 2019

https://www.nhtsa.gov/recalls?nhtsaId=10164429

https://static.nhtsa.gov/odi/tsbs/2019/MC-10164429-0001.pdf

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