Cylinder Head - LH

All vehicles 

1. Install a new gasket, the LH cylinder head and 8 new bolts. Tighten in the sequence shown 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: Installing LH Cylinder Head Bolts In Sequence
Courtesy of FORD MOTOR CO.
2. Install the bolt.
   • Tighten to 10 Nm (89 lb-in).
Fig 2: Identifying 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.
3. Install the valve tappets.
Fig 3: Identifying Valve Tappets From Cylinder Head
Courtesy of FORD MOTOR CO.
4. 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 & Bolt
Courtesy of FORD MOTOR CO.
5. 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.
6. Install LH Camshaft Position (CMP) sensor and the bolt.
   • Tighten to 10 Nm (89 lb-in).
Fig 6: Locating LH CMP Sensor & Bolt
Courtesy of FORD MOTOR CO.
7. Using new gaskets, install the lower intake manifold and the 10 bolts.
   • Tighten in the sequence shown to 10 Nm (89 lb-in).
Fig 7: Installing Lower Intake Manifold Bolts In Sequence
Courtesy of FORD MOTOR CO.
8. 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.
9. Connect the coolant bypass hose to the thermostat housing.
Fig 9: Identifying Coolant Bypass Hose From Thermostat Housing
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.
10. 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: Identifying Fuel Injector O-Ring Seals
Courtesy of FORD MOTOR CO.
11. Install the fuel rail and injectors as an assembly and install the 4 bolts.
    • Tighten to 10 Nm (89 lb-in).
Fig 11: Identifying Bolts & Fuel Rail
Courtesy of FORD MOTOR CO.
12. 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 

NOTE: Do not tighten the 4 catalytic converter nuts at this time.
13. Using a new gasket, install the RH catalytic converter and 4 new nuts.
Fig 13: Locating RH Catalytic Converter Nuts
Courtesy of FORD MOTOR CO.
14. 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: Identifying RH Catalytic Converter Support Bracket Bolts
Courtesy of FORD MOTOR CO.

Front Wheel Drive (FWD) vehicles 

15. 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 

16. 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.
17. 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.
NOTE: Failure to tighten the exhaust manifold nuts to specification a second time will cause the exhaust manifold to develop an exhaust leak.
18. Using a new gasket, install the LH exhaust manifold and 6 new nuts. Tighten in 2 stages in the sequence shown:
    • Stage 1: Tighten to 20 Nm (177 lb-in).
    • Stage 2: Tighten to 25 Nm (18 lb-ft).
Fig 18: Installing LH Exhaust Manifold Nuts In Sequence
Courtesy of FORD MOTOR CO.
19. 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 & Nuts
Courtesy of FORD MOTOR CO.
20. Using a new gasket, install the LH catalytic converter and 4 new nuts (3 shown).
    • Tighten to 40 Nm (30 lb-ft).
Fig 20: Locating LH Catalytic Converter Nuts
Courtesy of FORD MOTOR CO.
21. 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.
22. Install the wiring harness retainer bolt on the rear of the LH cylinder head.
    • Tighten to 10 Nm (89 lb-in).
Fig 22: Identifying Wiring Harness Retainer Bolt From Rear Of LH Cylinder Head
Courtesy of FORD MOTOR CO.
23. Connect the LH catalyst monitor sensor electrical connector.
Fig 23: Identifying LH Catalyst Monitor Sensor Electrical Connector
Courtesy of FORD MOTOR CO.
24. Connect the LH Heated Oxygen Sensor (HO2S) electrical connector.
Fig 24: Locating LH Heated Oxygen Sensor (HO2S) Electrical Connector
Courtesy of FORD MOTOR CO.
25. Connect the LH CMP sensor electrical connector.
Fig 25: Locating LH CMP Sensor Electrical Connector
Courtesy of FORD MOTOR CO.
26. Connect the Cylinder Head Temperature (CHT) sensor electrical connector.
Fig 26: Locating Cylinder Head Temperature (CHT) Sensor Electrical Connector
Courtesy of FORD MOTOR CO.
27. Connect the 6 fuel injector electrical connectors (3 shown).
Fig 27: Locating Fuel Injector Electrical Connectors
Courtesy of FORD MOTOR CO.
28. Attach the wiring harness pin-type retainer.
Fig 28: Identifying Wiring Harness Pin-Type Retainer
Courtesy of FORD MOTOR CO.
29. Install the generator, the bolt and the nut.
    • Tighten to 48 Nm (35 lb-ft).
Fig 29: Locating Generator, Bolts & Nuts
Courtesy of FORD MOTOR CO.
30. Attach the wiring harness retainer to the generator.
Fig 30: Identifying Wiring Harness Retainer From Generator
Courtesy of FORD MOTOR CO.
31. Connect the generator electrical connector.
Fig 31: Identifying Generator Electrical Connector
Courtesy of FORD MOTOR CO.
32. Connect the generator B+ cable and install the nut.
    • Tighten to 6 Nm (53 lb-in).
Fig 32: Identifying Generator B+ Cable & Nut
Courtesy of FORD MOTOR CO.
33. Connect the A/C compressor electrical connector.
Fig 33: Identifying A/C Compressor Electrical Connector
Courtesy of FORD MOTOR CO.
34. If equipped, install the block heater wiring harness onto the engine.
    • Connect the block heater electrical connector and install the heat shield.
Fig 34: Identifying Block Heater Wiring Harness
Courtesy of FORD MOTOR CO.
35. Install the LH camshafts. For additional information, refer to Camshaft .