Cylinder Head: Assembly
WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
All cylinder heads
- 2.NOTE: Lubricate the valve stem seal with clean engine oil prior to installation.
Using the valve stem oil seal installer, install the valve stem seal.
- 3.
Using the Valve Spring Compressor, install the valve spring, valve spring retainer and the valve collet.
- 5.
Install the spark plugs. Refer to: Engine Ignition 3.5L GTDI .
- 7.NOTE: Do not attempt to cut the lower Teflon ® seal without first pulling it away from the fuel injector or damage to the injector may occur.NOTE: Use care when removing the lower Teflon ® seals, not to scratch, nick or gouge the fuel injectors.
- 1.
Pull the lower Teflon ® seal away from the injector.
- 2.
Carefully cut and discard the lower fuel injector Teflon ® seals.
- 1.
- 8.NOTE: Do not lubricate the new lower Teflon ® fuel injector seals.
- 1.
Use Special Service Tool: 310-207.
- 2.NOTE: Once the Teflon ® seal is installed on the Teflon ® Seal Guide, it should immediately be installed onto the fuel injector to avoid excessive expansion of the Teflon ® seal.NOTE: Make sure that new lower fuel injector Teflon ® seals are installed.
- 3.
Using the Pusher Tool, slide the Teflon ® seals off of the Teflon ® Seal Guide and into the groove on the fuel injectors.
- 1.
- 9.NOTE: Install the fuel injectors into the cylinder head within 15 minutes of sizing the seals due to Teflon ® seal expansion.NOTE: Make sure the Teflon ® seal is fully seated in the groove on the fuel injector before sizing the Teflon ® seal.
- 1.
Some Teflon ® seal massaging with your fingers before the Teflon ® Seal Sizer tool is installed will aid in installing the Teflon ® Seal Sizer tool.
- 2.
Position the Teflon ® Seal Sizer tool with the larger opening towards the Teflon ® seal. Push while turning the Teflon ® Seal Sizer tool 180 degrees.
- 3.
Once the Teflon ® Seal Sizer tool is installed, check and make sure the Teflon ® seal is in the sizing portion of the Teflon ® Seal Sizer tool. After one minute, turn the Teflon ® Seal Sizer tool back 180 degrees and remove.
- 1.
- 10.
- 1.NOTE: The large diameter step of the backup ring must go up towards the new O-ring seal. Improperly installed backup rings may cause the fuel system to leak.
- 2.NOTE: Use fuel injector O-ring seals that are made of special fuel-resistant material. The use of ordinary O-ring seals may cause the fuel system to leak. Do not reuse the O-ring seals.NOTE: Do not lubricate the new lower Teflon ® fuel injector seals.
- 1.
- 11.NOTE: RH shown, LH similar.
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NOTE: The anti-rotation finger of the fuel injector must slip into the groove of the fuel rail cup.
Install the fuel injectors into the fuel rail.
- Connect the fuel injector electrical connectors.
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- 12.NOTE: Do not lubricate the new lower Teflon ® fuel injector seals.NOTE: Make sure that new fuel rail bolts are installed.NOTE: Push down on the fuel rail above the injectors.
Install the fuel injectors and fuel rail assembly into the cylinder head and install the new bolts.
- Stage 1: Tighten to 71 lb.in (8 Nm)
- Stage 2: Wait 5 sec
- Stage 3: Tighten to 124 lb.in (14 Nm)
- Stage 4: Tighten an additional 30 °
RH cylinder head
- 15.
Install the exhaust manifold and the new nuts.- Stage 1: Tighten to 168 lb.in (19 Nm)
- Stage 2: Tighten to 18 lb.ft (25 Nm)
- 16.
- 1.
Install the stud bolt.- Stage 1: Tighten to 89 lb.in (10 Nm)
- Stage 2: Tighten an additional 20 °
- 2.
Install the new CHT sensor.- Tighten to 97 lb.in (11 Nm)
- 1.
LH cylinder head
- 22.
Install the exhaust manifold and the new nuts.- Stage 1: Tighten to 168 lb.in (19 Nm)
- Stage 2: Tighten to 18 lb.ft (25 Nm)