Cylinder Head: Installation
WARNING: This page is about a different car, the 2018 Ford EcoSport. However, it is still accessible from the selected car via links, so may be relevant.
- Install the new cylinder head gasket.
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NOTE: The cylinder head bolts are torque-to-yield and must not be reused. New cylinder head bolts must be installed.
Install the cylinder head and the new bolts and tighten in sequence shown in 5 stages.
Torque: Stage1: 62 lb.in (7 Nm) / Stage 2: 133 lb.in (15 Nm) / Stage 3: 26 lb.ft (35 Nm) / Stage 4: 90 deg. Stage 5: 135 deg.
- Install Special Service Tool: 303-F072 Support Bar, Engine.
- Remove the trolley jack and wooden block. Use the General Equipment: Trolley Jack. Use the General Equipment: Wooden Block
- Lubricate with clean engine oil and install the valve tappets in their original positions.
- Position the coolant hose and install. Use the General Equipment: Hose Clamp Remover/Installer
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- Position the coolant hoses and install. Use the General Equipment: Hose Clamp Remover/Installer
- Connect the ECT sensor wiring harness electrical connector.
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- Position the coolant hose and install.
- Attach the coolant hose retainers.
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- Install the fuel rail insulator.
- Connect the wiring harness electrical connectors.
- Attach the wiring harness retainers.
- Attach the wiring harness retainer to the back side of the cylinder head.
- Install the ground wiring harness and the bolt.
Torque 89 lb.in (10 Nm)
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- Install the catalytic converter manifold studs.
Torque 150 lb.in (17 Nm)
- Install the catalytic converter manifold gasket.
- Install the catalytic converter manifold studs.
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- Remove the support and position the catalytic converter onto the studs.
- Install the new nuts and tighten in sequence shown.
Torque: Stage1: Tighten: 41 lb.ft (55 Nm) / Stage 2: Retighten: 41 lb.ft (55 Nm)
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- Attach the muffler and tailpipe to the hanger.
- Connect and tighten the catalytic converter-to-muffler and tailpipe nut.
Torque 177 lb.in (20 Nm)
- Install the bolts for the catalytic converter support bracket.
Torque 18 lb.ft (25 Nm)
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NOTE: Typical catalytic converter shown, sensor position may vary by application.
- Install the catalytic converter heat shield and the bolts.
Torque 89 lb.in (10 Nm)
- Attach the catalyst monitor sensor wiring harness.
- Install the catalytic converter heat shield and the bolts.
- Connect the catalyst monitor sensor electrical connector and wire retainer.
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- Remove the drain plug and drain the engine oil. Use the General Equipment: Oil Drain Equipment
- Install drain plug.
Torque 20 lb.ft (27 Nm)
- Remove and discard the engine oil filter. Use the General Equipment: Oil Drain Equipment
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NOTE: Lubricate the engine oil filter gasket with clean engine oil prior to installing the oil filter.
Install a new engine oil filter.
Torque: Stage1: 71 lb.in (8 Nm) / Stage2: 180 deg.
- Remove the following items:
- Install the HO2S. Refer to: Heated Oxygen Sensor (HO2S) .
- Install the camshafts. Refer to: Camshaft .
- Install the intake manifold. Refer to: Intake Manifold .
- Connect the battery ground. Refer to: Battery Disconnect and Connect .
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NOTE: Lubricating the grommets with silicone grease will aid in the installation of the engine appearance cover, and any future removal and installation of the cover.
- Lubricate each grommet with silicone grease.
Material Motorcraft® Silicone Brake Caliper Grease and Dielectric Compound / XG-3-A (ESE-M1C171-A)
- Position the engine appearance cover onto engine with the grommets aligned with the studs.
- Press down on the engine appearance cover at each grommet location to attach the grommets onto the studs.
- Lubricate each grommet with silicone grease.
- Fill the engine with clean engine oil. Refer to: Specifications .
- Fill and bleed the cooling system. Refer to: Engine Cooling System Draining, Vacuum Filling and Bleeding .