Cylinder Head: Assembly

All cylinder heads 

1. 1.
   
   Install the valve.

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1. 2.
   
   Lubricate with clean engine oil and using the special tool, install the valve stem seal. Use Special Service Tool: 303-470 (T94P-6510-CH) Installer, Valve Stem Oil Seal.

   Material

   : Motorcraft ® SAE 5W-20 Premium Synthetic Blend Motor Oil / XO-5W20-QSP (WSS-M2C945-A)

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1. 3.
   
   Using the special tools, install the valve spring, valve spring retainer and the valve collet. Use Special Service Tool: 303-300 (T87C-6565-A) Set, Valve Spring Compressor., 303-350 (T89P-6565-A) Compressor, Valve Spring., 303-1249 Valve Spring Compressor.

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1. 4.
   
   Repeat the previous 3 steps for each valve.

1. 5.
   
   Install the spark plugs. Refer to: SPARK PLUGS .

RH cylinder head 

1. 6.
   
   Install the timing chain tensioner arm and timing chain guide pins.

   Torque

   : 89 lb.in (10 Nm)

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1. 7.
   
   Install a new CHT sensor.

   Torque

   : 89 lb.in (10 Nm)

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1. 8.
   
   
   • Install the new the exhaust manifold studs.

     Torque

     : 106 lb.in (12 Nm)

   • Install a new exhaust manifold gasket.

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1. 9.
   
   Install the exhaust manifold and the new nuts.

   Torque

   : Stage 1: 168 lb.in (19 Nm) Stage 2: 18 lb.ft (25 Nm)

Fig 1: RH Exhaust Manifold Nuts Tightening Sequence

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1. 10.
   
   Install the lift eye and the bolts.

   Torque

   : 25 lb.ft (34 Nm)

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LH cylinder head 

1. 11.
   
   Install the timing chain guide pin.

   Torque

   : 89 lb.in (10 Nm)

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1. 12.
   
   
   • Install the new the exhaust manifold studs.

     Torque

     : 106 lb.in (12 Nm)

   • Install a new exhaust manifold gasket.

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1. 13.
   
   Install the exhaust manifold and the new nuts.

   Torque

   : Stage 1: 168 lb.in (19 Nm) Stage 2: 18 lb.ft (25 Nm)

Fig 2: LH Exhaust Manifold Nuts Tightening Sequence

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1. 14.
   
   Install ground strap and the bolt.

   Torque

   : 106 lb.in (12 Nm)

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