Cylinder Head: Assembly

WARNING: This page is about a different car, the 2018 Ford F-350 Super Duty and 2018 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

All cylinder heads

NOTE: Lubricate the valve stem with clean engine oil prior to installation.

NOTE: LH shown, RH similar.

Install the valve into the cylinder head.

Material: Motorcraft ® SAE 5W-30 Synthetic Blend Motor Oil / XO-5W30-QSP (WSS-M2C946-A)

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NOTE: Lubricate the valve seal and valve stem with clean engine oil prior to installation.

NOTE: LH shown, RH similar.

Position a new valve seal onto the valve stem.

Material: Motorcraft ® SAE 5W-30 Synthetic Blend Motor Oil / XO-5W30-QSP (WSS-M2C946-A)

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NOTE: If the components are to be reinstalled, they must be installed into their original locations. Failure to follow this instruction may result in engine damage.

NOTE: Use a commercially available valve spring compressor.

NOTE: LH shown, RH similar.

Install the valve spring, valve spring retainer and the valve collets.

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Repeat the above steps for each valve.
NOTE: Lubricate the camshaft, camshaft journals and camshaft bearing caps with clean engine oil.

NOTE: LH shown, RH similar.

Position the camshaft, camshaft bearing caps in their original locations and install the bolts in the sequence shown, in 2 stages.

Torque:

Stage 1: 53 lb.in (6 Nm)

Stage 2: 45 °

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NOTE: LH shown, RH similar.

Install the new VCT system oil filter into the camshaft, with the open end facing the front of the engine.

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NOTE: LH shown, RH similar.

Locate the alignment pin on the back of the VCT unit.

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NOTE: LH shown, RH similar.

Locate the alignment slot on the front of the camshaft.

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NOTE: Only use hand tools to install the VCT unit bolt or damage may occur to the camshaft or VCT unit.

NOTE: LH shown, RH similar.
- Position the VCT unit with the alignment pin in the alignment slot of the camshaft and install 3 new VCT unit bolts finger-tight.
- Using a 26 mm (1.023 in) wrench on the flats of the camshaft to secure the camshaft, tighten the 3 new LH VCT unit bolts in 2 stages.
  Torque:
  
  Stage 1: 80 lb.in (9 Nm)
  
  Stage 2: 90 °
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NOTE: If a spark plug is dropped, internal damage may result and the spark plug must be discarded. The use of a damaged spark plug may cause cylinder misfire resulting in engine damage.

NOTE: Only use hand tools when removing or installing the spark plugs or damage can occur to the cylinder head or spark plug.

NOTE: LH shown, RH similar.

Install upper the spark plugs.

Torque: 18 lb.ft (24 Nm)

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NOTE: Lubricate the CMP sensor O-ring seal with clean engine oil prior to installation.

NOTE: LH shown, RH similar.

Install the CMP sensor and the bolt.

Torque: 89 lb.in (10 Nm)

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NOTE: LH shown, RH similar.

Install the ground strap and the bolt.

Torque: 89 lb.in (10 Nm)

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LH cylinder head
Install a new CHT sensor.
Torque: 97 lb.in (11 Nm)

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