Cylinder Head - LH: Material

WARNING: This page is about a different car, the 2010 Lincoln MKZ and 2010 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

ITEM SPECIFICATION TABLE

Item	Specification
Motorcraft® SAE 5W-20 Premium Synthetic Blend Motor Oil XO-5W20-QSP (US); Motorcraft® SAE 5W-20 Super Premium Motor Oil CXO-5W20-LSP12 (Canada); or equivalent	WSS-M2C930-A

NOTE: 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.

All vehicles

Install a new gasket, the LH cylinder head and 8 new bolts. Tighten in the sequence shown in illustration in 5 stages:
- Stage 1: Tighten to 20 Nm (177 lb-in).
- Stage 2: Tighten to 35 Nm (26 lb-ft).
- Stage 3: Tighten 90 degrees.
- Stage 4: Tighten 90 degrees.
- Stage 5: Tighten 90 degrees.
Fig 1: Identifying LH Cylinder Head Bolt Tightening Sequence
Courtesy of FORD MOTOR CO.
Install the new M6 bolt.
- Tighten to 10 Nm (89 lb-in).
Fig 2: Locating M6 Bolt
Courtesy of FORD MOTOR CO.
Install the valve tappets.
NOTE: The valve tappets must be installed in their original positions.

NOTE: Coat the valve tappets with clean engine oil prior to installation.

Fig 3: Locating Valve Tappets
Courtesy of FORD MOTOR CO.
Install the LH secondary timing chain tensioner and the 2 bolts.
- Tighten to 10 Nm (89 lb-in).
Fig 4: Locating LH Secondary Timing Chain Tensioner & Bolts
Courtesy of FORD MOTOR CO.
Install the upper LH primary timing chain guide and the 2 bolts.
- Tighten to 10 Nm (89 lb-in).
Fig 5: Locating Upper LH Primary Timing Chain Guide & Bolts
Courtesy of FORD MOTOR CO.
Install LH Camshaft Position (CMP) sensor and the bolt.
- Tighten to 10 Nm (89 lb-in).
Fig 6: Locating LH CMP Sensor And Bolt
Courtesy of FORD MOTOR CO.
Using new gaskets, install the lower intake manifold and the 10 bolts.
- Tighten in the sequence shown in illustration below to 10 Nm (89 lb-in).
NOTE: If the engine is repaired or replaced because of upper engine failure, typically including valve or piston damage, check the intake manifold for metal debris. If metal debris is found, install a new intake manifold. Failure to follow these instructions can result in engine damage.

Fig 7: Identifying Lower Intake Manifold Bolt Tightening Sequence
Courtesy of FORD MOTOR CO.
Using a new gasket and O-ring seal, install the thermostat housing and the 2 bolts.
- Tighten to 10 Nm (89 lb-in).
Fig 8: Locating Thermostat Housing-To-Lower Intake Manifold Bolts
Courtesy of FORD MOTOR CO.
Connect the coolant bypass hose to the thermostat housing.

Fig 9: Locating Coolant Bypass Hose To Thermostat Housing
Courtesy of FORD MOTOR CO.
Install new fuel injector O-ring seals.
- Remove the retaining clips and separate the fuel injectors from the fuel rail.
- Remove and discard the O-ring seals.
- Install new O-ring seals and lubricate with clean engine oil.
- Install the fuel injectors and the retaining clips onto the fuel rail.
NOTE: Use O-ring seals that are made of special fuel-resistant material. The use of ordinary O-rings can cause the fuel system to leak. Do not reuse the O-ring seals.

NOTE: The upper and lower O-ring seals are not interchangeable.

Fig 10: Locating Fuel Injector O-Ring Seals
Courtesy of FORD MOTOR CO.
Install the fuel rail and injectors as an assembly and install the 4 bolts.
- Tighten to 10 Nm (89 lb-in).
Fig 11: Locating Fuel Rail & Injectors Assembly Bolts
Courtesy of FORD MOTOR CO.
Install the RH cylinder block drain plug or, if equipped, the block heater.
- Tighten to 40 Nm (30 lb-ft).
Fig 12: Locating RH Cylinder Block Drain Plug
Courtesy of FORD MOTOR CO.

All-Wheel Drive (AWD) vehicles
Using a new gasket, install the RH catalytic converter and 4 new nuts.
NOTE: Do not tighten the 4 catalytic converter nuts at this time.

Fig 13: Locating RH Catalytic Converter & Nuts
Courtesy of FORD MOTOR CO.
Install the 2 RH catalytic converter bracket bolts.
- Tighten the 4 catalytic converter nuts to 40 Nm (30 lb-ft).
- Tighten the 2 catalytic converter brackets to 20 Nm (177 lb-in).
Fig 14: Locating RH Catalytic Converter Bracket Bolts
Courtesy of FORD MOTOR CO.

Front Wheel Drive (FWD) vehicles
Using a new gasket, install the RH catalytic converter and 4 new nuts.
- Tighten to 40 Nm (30 lb-ft).
Fig 15: Locating RH Catalytic Converter & Nuts
Courtesy of FORD MOTOR CO.

All vehicles
Install the LH cylinder block drain plug.
- Tighten to 20 Nm (177 lb-in) plus an additional 180 degrees.
Fig 16: Locating LH Cylinder Block Drain Plug
Courtesy of FORD MOTOR CO.
Install 6 new LH exhaust manifold studs.
- Tighten to 12 Nm (106 lb-in).
Fig 17: Locating LH Exhaust Manifold Studs
Courtesy of FORD MOTOR CO.
Using a new gasket, install the LH exhaust manifold and 6 new nuts. Tighten in 2 stages in the sequence shown in illustration below:
- Stage 1: Tighten to 20 Nm (177 lb-in).
- Stage 2: Tighten to 25 Nm (18 lb-ft).
NOTE: Failure to tighten the exhaust manifold nuts to specification a second time will cause the exhaust manifold to develop an exhaust leak.

Fig 18: Identifying LH Exhaust Manifold Nut Tightening Sequence
Courtesy of FORD MOTOR CO.
Install the LH exhaust manifold heat shield and the 3 bolts.
- Tighten to 10 Nm (89 lb-in).
Fig 19: Locating LH Exhaust Manifold Heat Shield Bolts
Courtesy of FORD MOTOR CO.
Using a new gasket, install the LH catalytic converter and 4 new nuts (3 shown in illustration).
- Tighten to 40 Nm (30 lb-ft).
Fig 20: Locating LH Catalytic Converter Nuts
Courtesy of FORD MOTOR CO.
Install the 2 LH catalytic converter bracket bolts.
- Tighten to 20 Nm (177 lb-in).
Fig 21: Locating LH Catalytic Converter Bracket Bolts
Courtesy of FORD MOTOR CO.
Install the wiring harness retainer bolt on the rear of the LH cylinder head.
- Tighten to 10 Nm (89 lb-in).
Fig 22: Locating Wiring Harness Retainer Bolt
Courtesy of FORD MOTOR CO.
Connect the LH Catalyst Monitor Sensor (CMS) sensor electrical connector.

Fig 23: Locating LH Catalyst Monitor Sensor (CMS) Electrical Connector
Courtesy of FORD MOTOR CO.
Connect the LH Heated Oxygen Sensor (HO2S) electrical connector.

Fig 24: Locating LH Heated Oxygen Sensor (HO2S) Electrical Connector
Courtesy of FORD MOTOR CO.
Connect the LH CMP sensor electrical connector.

Fig 25: Locating LH CMP Sensor Electrical Connector
Courtesy of FORD MOTOR CO.
Connect the Cylinder Head Temperature (CHT) sensor electrical connector.

Fig 26: Locating Cylinder Head Temperature (CHT) Sensor Electrical Connector
Courtesy of FORD MOTOR CO.
Connect the 6 fuel injector electrical connectors (3 shown in illustration).

Fig 27: Locating Fuel Injector Electrical Connectors
Courtesy of FORD MOTOR CO.
Attach the wiring harness pin-type retainer.

Fig 28: Locating Wiring Harness Pin-Type Retainer
Courtesy of FORD MOTOR CO.
Install the generator, the bolt and the nut.
- Tighten to 48 Nm (35 lb-ft).
Fig 29: Locating Nut, Bolt & Generator
Courtesy of FORD MOTOR CO.
Attach the wiring harness retainer to the generator.

Fig 30: Locating Wiring Harness Retainer To Generator
Courtesy of FORD MOTOR CO.
Connect the generator electrical connector.

Fig 31: Locating Generator Electrical Connector
Courtesy of FORD MOTOR CO.
Connect the generator B+ cable and install the nut.
- Tighten to 12 Nm (106 lb-in).
Fig 32: Locating Generator B+ Cable Nut
Courtesy of FORD MOTOR CO.
Connect the A/C compressor electrical connector.

Fig 33: Locating A/C Compressor Electrical Connector
Courtesy of FORD MOTOR CO.
If equipped, install the block heater wiring harness onto the engine.
- Connect the block heater electrical connector and install the heat shield.
Fig 34: Locating Block Heater Electrical Connector & Heat Shield
Courtesy of FORD MOTOR CO.
Install the LH camshafts. For additional information, refer to Removal and Installation .