Oil Pan Leak – 2018 Ford Expedition & Lincoln Navigator

SSM 47385 – 2018 Expedition/Navigator – 3.5L EcoBoostOil Pan Leak – Built On Or Before 26-Feb-2018

Some 2018 Expedition/Navigator vehicles built on or before 26-Feb-2018 may exhibit an oil leak from the oil pan RTV seal.

 

Replace the oil pan following the procedure in Workshop Manual (WSM) Section, 303-01.

After removing the oil pan, it is suggested to allow the crankcase to drain overnight to minimize the chance of contaminating the sealing rail.

Prepare the engine sealing surface following the procedure in WSM Section, 303-00.

Proper usage of the Motorcraft Metal Surface Prep Wipes is critical.

If possible, allow the new RTV sealant to cure for 4 hours before refilling the engine with oil.

Correctly following the WSM procedures is critical.

Skipping or improperly completing steps may result in repeat oil pan leaks.


APPLICABLE VEHICLES
2018 TRUCK: B8 U553N EXPEDITION
2018 TRUCK: B9 U554N NAVIGATOR


 

Bestseller No. 1
Permatex 82180 Ultra Black Maximum Oil Resistance RTV Silicone Gasket Maker, Sensor Safe and Non-Corrosive, for High Flex and Oil Resistant Applications 3 oz
  • Fit Type: Universal
  • Sensor-Safe, Non-Corrosive Formula Designed For Superior Adhesion To Oily Surfaces And Long Term Durability
  • Superior Resistance To Powertrain Fluids Including Engine Oil, Transmission Fluid, Gear Lube And Coolants
  • Retains High Flexibility And Eliminates The Need For Pre-Formed, Pre-Cut, Paper, Rubber Or Cork Gaskets; Oem Specified And Approved For Dealership Requirements
SaleBestseller No. 2
Permatex 80050 Clear RTV Silicone Adhesive Sealant, 3 oz
  • Professional Formula - This Clear Silicone Adhesive Sealant is a Sensor-Safe, General Purpose Clear RTV Sealant that can be used inside or outside for all your jobs
  • Do It All- Seal, Bond, Repair, Mend And Secure Glass, Metal, Plastics, Fabric, Vinyl, Weather Stripping, Vinyl Tops, And More With This Clear Rtv Silicone Sealant
  • Resist The Elements- Permatex Clear Silicone Adhesive Sealant Is Waterproof And Flexible, Resists Water, Weather, And Vibration On All Your Applications
  • Multipurpose Formula- With A Temperature Range From : -75°f To 400°f (-59°c To 204°c) Clear RTV Silicone Can Be Used All Around And Can Be Used To Protect And Repair Electrical Wiring
  • Suggested Applications- Door Frames, Electrical Connections, Seams And Roofs, Vinyl Tops, Windshields, Housings And Coverings, (Not Recommended For Engine Gasket Applications)
Bestseller No. 3
J-B Weld 31310 All-Purpose RTV Silicone Sealant and Adhesive - 3 oz. - Clear
  • Clear Silicone Sealant & Adhesive: Is A General Purpose Sealant Adhesive, Rtv (Room Temperature Vulcanized)Silicone Designed For Use In Household Or Mechanical Assembly Applications.
SaleBestseller No. 4
Permatex 81158 Black Silicone Adhesive Sealant, 3 oz. Tube, Pack of 1
  • Sensor-Safe, General Purpose Black Rtv Indoor/Outdoor Sealant
  • Seals, Bonds, Repairs, Mends And Secures Glass, Metal, Plastics, Fabric, Vinyl, Weather Stripping And Vinyl Tops
  • Waterproof And Flexible; Resists Water, Weather, And Vibration. Note: Surfaces Being Bonded May Need Clamping For 1 Hour Or Until Silicone Is Firm
  • Temperature Range: -75°F To 450°F (-59°C To 232°C)
SaleBestseller No. 5
Permatex 85080 Ultra Black Maximum Oil Resistance RTV Silicone Gasket Maker, 9.5 oz. PowerBead Can
  • Sensor-safe, non-corrosive formula designed for superior adhesion to oily surfaces and long term durability
  • Superior resistance to powertrain fluids including engine oil, transmission fluid, gear lube and coolants
  • Retains high flexibility and eliminates the need for pre-formed, pre-cut, paper, rubber or cork gaskets; OEM specified and approved for dealership warranty requirements
  • Temperature Range -65°F to 500°F (-54°C to 260°C) intermittent
  • Suggested Applications: Valve covers, oil pans, intake manifold end seals, timing covers, and differential covers

Last update on 2026-05-31 / Affiliate links / Images from Amazon Product Advertising API


 

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