Lincoln Aviator 2020-2024 Service Manual / Powertrain / Engine / Engine System - General Information / General Procedures - Cylinder Block Core Plug Replacement

Lincoln Aviator: Engine System - General Information / General Procedures - Cylinder Block Core Plug Replacement

Special Tool(s) / General Equipment

100-001 (T50T-100-A)
Slide Hammer

Materials

Name Specification
Motorcraft® Threadlock and Sealer
TA-25-B
-
 

Repair

All core plugs

  1. NOTE: Cylinder block core plug shown, cylinder head core plug similar.

    Using the Slide Hammer and a commercially available body dent puller attachment or commercially available freeze plug puller remove the core plug.
    Use Special Service Tool: 100-001 (T50T-100-A)  Slide Hammer.
  1. NOTE: Oversize plugs are identified by the OS stamped in the flat located on the cup side of the plug.

    Inspect the core plug bore for any damage that would interfere with the correct sealing of the plug. If the core plug bore is damaged, bore for the next oversize plug.

Cup-type

  1. NOTE: Use care during this procedure so as not to disturb or distort the cup sealing surface.

    NOTE: When installed, the flanged edge must be below the chamfered edge of the bore to effectively seal the bore.

    Coat the cup-type core plug and bore lightly with sealant and install the core plug using a freeze plug installer. Remove the excess sealant after installation.
    Material: Motorcraft® Threadlock and Sealer / TA-25-B

Expansion-type

  1. NOTE: Do not contact the crown when installing an expansion-type core plug. This could expand the plug before seating and result in leakage.

    Coat the expansion-type core plug and bore lightly with sealant and install the core plug using a freeze plug installer. Remove the excess sealant after installation.
    Material: Motorcraft® Threadlock and Sealer / TA-25-B

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    Emergency Locking

    Each door has a backup power system which allows the door to function if your vehicle has no power. The system has a limited number of operations before the power is depleted and turns off. When the system turns off, the door remains open and unlatched and does not close.

    If your vehicle has no power and the backup power system is turned off, you can close and secure your vehicle by manually resetting each door latch using a key in the position shown.

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