Cylinder Head - LH

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

MATERIAL SPECIFICATIONS

Item	Specification
High Temperature Nickel Anti-Seize Lubricant XL-2	-
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.

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

NOTE: The valve tappets must be installed in their original positions. Coat the valve tappets with clean engine oil prior to installation.

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

Install a new gasket, the LH cylinder head and 8 new bolts. Tighten in the sequence shown below 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.
Install the M6 bolt.
- Tighten to 10 Nm (89 lb-in).
NOTE: The valve tappets must be installed in their original positions.

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

Install the valve tappets.

Fig 1: Locating Cylinder Head Valve Tappets
Courtesy of FORD MOTOR CO.
Install the LH upper primary timing chain guide and the bolt.
- Tighten 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.

Using new intake manifold and thermostat housing gaskets, install the lower intake manifold and the 10 bolts.
- Tighten in the sequence shown below to 10 Nm (89 lb-in).
Install the 2 thermostat housing-to-lower intake manifold bolts.
- Tighten to 10 Nm (89 lb-in).
Connect the fuel supply tube-to-fuel rail quick connect coupling. For additional information, refer to the QUICK CONNECT COUPLING procedure.
If equipped, install the block heater wiring harness onto the engine.
- 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 2: Locating RH Cylinder Block Drain Plug
  Courtesy of FORD MOTOR CO.
Using a new gasket, install the RH catalytic converter and 4 new nuts.
- Tighten to 40 Nm (30 lb-ft).
  
  Fig 3: Locating RH Catalytic Converter And Nut
  Courtesy of FORD MOTOR CO.
Install the LH cylinder block drain plug.
- Tighten to 16 Nm (142 lb-in) plus an additional 180 degrees.
  
  Fig 4: 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 5: Locating LH Exhaust Manifold Studs
  Courtesy of FORD MOTOR CO.
Using a new gasket, install the LH catalytic converter and 3 new lower LH catalytic converter manifold-to-cylinder head nuts.
- Install the 3 new upper LH catalytic converter manifold-to-cylinder head nuts and tighten to 25 Nm (18 lb-ft).
- Tighten the 3 lower LH catalytic converter manifold-to-cylinder head nuts to 25 Nm (18 lb-ft).
Install the LH exhaust heat shield and the 3 bolts.
- Tighten to 12 Nm (106 lb-in).
NOTE: Apply anti-seize to the threads of the HO2S prior to installing.

Install the LH HO2S.
- Tighten to 48 Nm (35 lb-ft).
Install the generator, the bolt and the nut.
- Tighten to 47 Nm (35 lb-ft).
  
  Fig 6: Locating Generator Bolts
  Courtesy of FORD MOTOR CO.
Install the A/C compressor, the 2 bolts and the nut.
- Tighten to 25 Nm (18 lb-ft).
  
  Fig 7: Locating A/C Compressor Bolts
  Courtesy of FORD MOTOR CO.
Connect the Engine Oil Pressure (EOP) switch electrical connector and the wiring harness pin-type retainer.

Fig 8: Locating EOP Switch Electrical Connector And Wiring Harness Pin-Type Retainer
Courtesy of FORD MOTOR CO.
Attach the wiring harness retainer to the generator.

Fig 9: Locating Wiring Harness Retainer
Courtesy of FORD MOTOR CO.
Connect the generator electrical connector.

Fig 10: Locating Generator Electrical Connector
Courtesy of FORD MOTOR CO.
Connect the generator B+ cable and install the nut.
- Tighten to 7 Nm (150 lb-in).
  
  Fig 11: Locating Nut And Generator B+ Cable
  Courtesy of FORD MOTOR CO.
Connect the A/C compressor electrical connector.

Fig 12: Locating A/C Compressor Electrical Connector
Courtesy of FORD MOTOR CO.
Connect the LH Catalyst Monitor Sensor (CMS) electrical connector.
- Install the wiring harness retainer to the rear of the LH cylinder head.
Connect the LH Heated Oxygen Sensor (HO2S) electrical connector.
NOTE: Lubricate the 2 CMP sensor O-ring seals with clean engine oil.

Install the 2 LH CMP sensors and the 2 bolts.
- Tighten to 10 Nm (89 lb-in).
Connect the 2 LH CMP sensors electrical connectors.
Connect the 6 fuel injector electrical connectors (3 shown).
If equipped, position the block heater wiring harness onto the engine.
- Connect the block heater electrical connector and install the heat shield.
  
  Fig 13: Locating Heat Shield
  Courtesy of FORD MOTOR CO.
Install the LH camshafts. For additional information, refer to CAMSHAFT .