Cylinder Head LH: Installation

WARNING: This page is about a different car, the 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.

Install the cylinder head gasket.

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NOTE: If the cylinder head is replaced, a new secondary timing chain tensioner will need to be installed.

NOTE: Install new cylinder head bolts.

Install the cylinder head and the new bolts.

Torque: Stage 1: 177 lb.in (20 Nm) | Stage 2: 26 lb.ft (35 Nm) | Stage 3: 90° | Stage 4: 90° | Stage 5: 45°

Fig 1: LH Cylinder Head Tightening Sequence
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Install the M6 bolt.
Torque: 89 lb.in (10 Nm)

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NOTE: The valve tappets must be installed in their original positions.

Lubricate the valve tappets with clean engine oil and install.

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NOTE: Do not use power tools to install the bolt or damage to the upper LH timing chain guide may occur.

Install the upper LH timing chain guide and the bolt.

Torque: 89 lb.in (10 Nm)

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NOTE: Lubricate the O-ring seals with clean engine oil.

Install the CMP sensors and the bolts.

Torque: 89 lb.in (10 Nm)

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- Connect the CMP sensor electrical connectors and attach the wiring harness retainer.
- Connect and attach the direct injection wiring harness electrical connector.
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Install the ground strap and the nut and attach the retainers.
Torque: 80 lb.in (9 Nm)

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NOTE: Make sure that a new fuel rail to fuel rail high-pressure fuel tube is installed.
- Install the fuel rail to fuel rail high-pressure fuel tube and finger tight the flare nuts.
- Tighten the flare nuts in the following 3 stages.
  Torque: Stage 1: 62 lb.in (7 Nm) | Stage 2: 89 lb.in (10 Nm) | Stage 3: If the torque required to tighten any flare nut on the new high-pressure fuel tube reaches or exceeds 75 Nm (55 lb-ft), the high pressure fuel tube must be discarded and replaced with another new high-pressure fuel tube.: 30°
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Install the following items:
1. Install the LH camshafts. Refer to: Camshafts .
2. Install the LH fender splash shield. Refer to: Fender Splash Shield .
Install the new RH catalytic converter-to-exhaust manifold nuts.
Torque: 30 lb.ft (40 Nm)

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Install the new LH catalytic converter-to-exhaust manifold nuts.
Torque: 30 lb.ft (40 Nm)

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- Position the exhaust Y-pipe dual catalytic converter-to-exhaust intermediate pipe and install the new bolts.
- Tighten the inner exhaust Y-pipe dual catalytic converter-to-exhaust intermediate pipe bolt.
  Torque: 46 lb.ft (63 Nm)
- Tighten the outer exhaust Y-pipe dual catalytic converter-to-exhaust intermediate pipe bolt.
  Torque: 46 lb.ft (63 Nm)
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Remove the oil pan plug and drain the engine oil. Use the General Equipment: Oil Drain Equipment
Torque: 20 lb.ft (27 Nm)

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Remove and discard the engine oil filter. Use the General Equipment: Oil Drain Equipment

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NOTE: Do not lubricate the engine oil filter seal.

Install a new engine oil filter.

Torque: Stage 1: 44 lb.in (5 Nm) | Stage 2: 180°

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If equipped, install the transmission housing cover and the bolts
Torque: 71 lb.in (8 Nm)

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Fill the engine with clean engine oil. Refer to: Specifications .

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Fill the cooling system. Refer to: Engine Cooling System Draining, Vacuum Filling and Bleeding .
Connect the battery ground. Refer to: Battery Disconnect and Connect .
Start and check the exhaust system for leaks.