Navigator 4WD V8-5.4L VIN 5 (2006)
Expansion/Freeze Plug: Service and Repair
Cylinder Block Core Plug Replacement
Special Tools And Equipment
Special Tool(s)
Material
Material
1. Use a slide hammer or tools suitable to remove the cylinder block core plug.
2. Inspect the cylinder block plug bore for any damage that would interfere with the correct sealing of the plug. If the cylinder block plug bore is
damaged, bore for the next oversize plug.
3. NOTE: Oversize plugs are identified by the OS stamped in the flat located on the cup side of the plug.
Coat the cylinder block core plug and bore lightly with High Strength Thread-locker and install the cylinder block core plug.
Cup-Type
1. CAUTION: Use care during this procedure so as not to disturb or distort the cup sealing surface.
