Lincoln Aviator: Engine - 3.0L EcoBoost / Removal and Installation - Variable Camshaft Timing (VCT) Unit

Special Tool(s) / General Equipment

	303-1248 Camshaft holding tools TKIT-2006UF-FLM TKIT-2006UF-ROW
	303-1696 Camshaft holding fixture

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, can cause engine failure.

NOTE: If the RH VCT units are being serviced at the same time as the LH VCT units, remove the RH VCT units first.

Right hand VCT (variable camshaft timing) units

1. Remove the RH timing chain.
   Refer to: Timing Chain (303-01A Engine - 3.0L EcoBoost, Removal and Installation).
   

1. 1. Install Special Service Tool: 303-1696  Camshaft holding fixture.
   2. Remove and discard the VCT unit bolts.
      
   3. Remove the VCT units.
      

Left hand units

1. Remove the LH timing chain.
   Refer to: Timing Chain (303-01A Engine - 3.0L EcoBoost, Removal and Installation).
   

1. 1. Install Special Service Tool: 303-1248  Camshaft holding tools.
   2. Remove and discard the VCT unit bolts.
      
   3. Remove the VCT units.
      

Installation

Left hand units

1. NOTICE: The VCT units have 2 timing marks on them, a triangle and a circle. For installation of the LH side the circle marks are used.

   1. Install the VCT units. The circle timing marks on the VCT units will be at the 10 o'clock (intake) and 12:30 (exhaust) positions as shown in the illustration.
      
   2. Install the new VCT unit bolts.
      Torque:
        Stage 1:  30 lb.ft (40 Nm)
        Stage 2:  Loosen:   360°
        Stage 3:  37 lb.ft (50 Nm)
        Stage 4:  90°
   3. Remove Special Service Tool: 303-1248  Camshaft holding tools.

1. Install the LH timing chain.
   Refer to: Timing Chain (303-01A Engine - 3.0L EcoBoost, Removal and Installation).
   

Right hand units

1. NOTICE: The VCT units have 2 timing marks on them, a triangle and a circle. For installation of the RH side the triangle marks are used.

   1. Install the VCT units. The triangle timing marks on the VCT units will be at the 2 o'clock (intake) and 11 o'clock (exhaust) positions as shown in the illustration.
      
   2. Install the new VCT unit bolts.
      Torque:
        Stage 1:  30 lb.ft (40 Nm)
        Stage 2:  Loosen:   360°
        Stage 3:  37 lb.ft (50 Nm)
        Stage 4:  90°
   3. Remove Special Service Tool: 303-1696  Camshaft holding fixture.

1. Install the RH timing chain.
   Refer to: Timing Chain (303-01A Engine - 3.0L EcoBoost, Removal and Installation).