Cylinder Head - LH

WARNING: This page is about a different variant/trim than selected.

MATERIAL SPECIFICATIONS

Item	Specification
Motorcraft® SAE 5W-20 Premium Synthetic Blend Motor Oil (US); Motorcraft® SAE 5W-20 Super Premium Motor Oil (Canada) XO-5W20-QSP (US); CXO-5W20-LSP12 (Canada)	WSS-M2C945-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 45 degrees.
  
  Fig 1: Identifying Cylinder Head Bolts Tightening Sequence
  Courtesy of FORD MOTOR CO.
Install the new M6 bolt.
- Tighten to 10 Nm (89 lb-in).
  
  Fig 2: Location of Cylinder Head M6 Bolt
  Courtesy of FORD MOTOR CO.

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: Location of Valve Tappets

Courtesy of FORD MOTOR CO.

Install the valve tappets.
Install the LH secondary timing chain tensioner and the 2 bolts.
- Tighten to 10 Nm (89 lb-in).
  
  Fig 4: Location of LH Secondary Timing Chain Tensioner And Bolts
  Courtesy of FORD MOTOR CO.
Install the upper LH primary timing chain guide and the bolt.
- Tighten to 10 Nm (89 lb-in).
  
  Fig 5: Location of LH Primary Chain Guide And Bolt
  Courtesy of FORD MOTOR CO.
Install LH Camshaft Position (CMP) sensor and the bolt.
- Tighten to 10 Nm (89 lb-in).
  
  Fig 6: Location of LH Camshaft Position Sensor And Bolt
  Courtesy of FORD MOTOR CO.

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.

Using new gaskets, install the lower intake manifold and the 10 bolts.
- Tighten in the sequence shown in illustration to 10 Nm (89 lb-in).
  
  Fig 7: Identifying Lower Intake Manifold Bolts 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: Location of Thermostat Housing Gasket And O-Ring Seal Bolts
  Courtesy of FORD MOTOR CO.
Connect the coolant bypass hose to the thermostat housing.

Fig 9: Location of Coolant Bypass Hose
Courtesy of FORD MOTOR CO.

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.

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.
  
  Fig 10: Location of 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: Location of Fuel Rail And Injectors Assembly Bolts
  Courtesy of FORD MOTOR CO.
Install the RH cylinder block drain plug or, if equipped, the block heater.
- Tighten the cylinder block drain plug to 10 Nm (89 lb-in) plus an additional 720 degrees.
- Tighten the block heater to 40 Nm (30 lb-ft).
  
  Fig 12: Location of Cylinder Block Drain Plug
  Courtesy of FORD MOTOR CO.
All-Wheel Drive (AWD) vehicles

NOTE: Do not tighten the 4 catalytic converter nuts at this time.

Fig 13: Location of RH Catalytic Converter Gasket And Nuts

Courtesy of FORD MOTOR CO.

Using a new gasket, install the RH catalytic converter and 4 new nuts.
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: Location of Catalytic Converter-To-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: Location of RH Catalytic Converter Gasket And Nuts
  Courtesy of FORD MOTOR CO.
All vehicles
Install the LH cylinder block drain plug.
- Tighten to 16 Nm (142 lb-in) plus an additional 180 degrees.
  
  Fig 16: Location of 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: Location of LH Exhaust Manifold Studs
  Courtesy of FORD MOTOR CO.

NOTE: Failure to tighten the exhaust manifold nuts to specification a second time will cause the exhaust manifold to develop an exhaust leak.

Using a new gasket, install the LH exhaust manifold and 6 new nuts. Tighten in 2 stages in the sequence shown in illustration:
- Stage 1: Tighten to 20 Nm (177 lb-in).
- Stage 2: Tighten to 25 Nm (18 lb-ft).
  
  Fig 18: Identifying LH Exhaust Manifold Nuts 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: Location of 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: Location of 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: Location of 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: Location of Wiring Harness Retainer Bolt On Rear Of LH Cylinder Head
  Courtesy of FORD MOTOR CO.
Connect the LH Catalyst Monitor Sensor (CMS) sensor electrical connector.

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

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

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

Fig 26: Location of 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: Location of Fuel Injector Electrical Connectors
Courtesy of FORD MOTOR CO.
Attach the wiring harness pin-type retainer.

Fig 28: Location of 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: Location of Generator Nut And Bolt
  Courtesy of FORD MOTOR CO.
Attach the wiring harness retainer to the generator.

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

Fig 31: Location of 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: Location of Generator B+ Cable Nut
  Courtesy of FORD MOTOR CO.
Connect the A/C compressor electrical connector.

Fig 33: Location of 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: Location of Block Heater Electrical Connector And Heat Shield
  Courtesy of FORD MOTOR CO.
Install the LH camshafts. For additional information, refer to CAMSHAFT .