Lincoln Navigator: Engine - 3.5L EcoBoost (272kW/370PS) / Front Cover to Coolant Pipe Seal. Removal and Installation

Special Tool(s) / General Equipment

303-1528 Remover/Installer, Water Tube Seal

Removal

NOTICE: During engine repair procedures, cleanliness is extremely important. Any foreign material, including any material created while cleaning gasket surfaces that enters the oil passages, coolant passages or the oil pan, may cause engine failure.

1. Remove the coolant pump.
   Refer to: Coolant Pump (303-03 Engine Cooling - 3.5L EcoBoost (272kW/370PS), Removal and Installation).
   

1. • Using the special tool, remove the front cover to coolant pipe seal.
     Use Special Service Tool: 303-1528  Remover/Installer, Water Tube Seal.
   • Reset the special tool center bolt to its retracted position.
     
   • Screw the special tool onto the front cover to coolant pipe seal until it bottoms out.
     
   • Using a brass hammer, give the special tool a slight tap inward to break front cover radial seal lose.
     
   • Turn the special tool center bolt clockwise and remove the front cover to coolant pipe seal.
     

1. Clean the engine front cover to coolant pipe seal area.
   

Installation

1. • Using the special tool, install the front cover to coolant pipe seal.
     Use Special Service Tool: 303-1528  Remover/Installer, Water Tube Seal.
   • Position the front cover to coolant pipe seal on the special tool.
     
   • Position the special tool into the engine front cover.
     
   • Using a brass hammer, tap the special tool until the front cover to coolant pipe seal bottoms out.
     

1. Inspect the front cover to coolant pipe seal for proper installation or damage.
   

1. Install the coolant pump.
   Refer to: Coolant Pump (303-03 Engine Cooling - 3.5L EcoBoost (272kW/370PS), Removal and Installation).