Cylinder Head: Disassembly
WARNING: This page is about a different car, the 2016 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
LH cylinder head
RH cylinder head
All cylinder heads
- 11.NOTE: RH shown, LH similar.
- Disconnect the fuel injector electrical connectors.
- Remove and discard the fuel injector bolts.
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NOTE: Pull out the fuel rails in the direction of the fuel injector axis or damage may occur to the fuel injectors.NOTE: When removing the fuel rails, the fuel injectors may remain in the cylinder heads and require the use of a Fuel Injector Remover tool to extract. Wiggling the injector by hand to break it loose may allow the injector to be removed by hand.
Remove the fuel rail and fuel injectors.
- 13.
Remove and discard the clips from all of the fuel injectors including any injectors that have remained in the cylinder head.
- 14.NOTE: Use minimal force to remove the fuel injectors that remained in the cylinder head with the Fuel Injector Remover tool or damage to the fuel injector assembly may occur.
Using the fuel injector remover, remove the fuel injectors that remained in the cylinder head.
- 15.NOTE: Make sure to thoroughly clean any residual fuel or foreign material from the cylinder head, block and the general surrounding area of the fuel rails and injectors.NOTE: Do not use compressed air to clean the tip of the fuel injector.NOTE: Do not use a brush to clean the tip of the fuel injector.
Using the Fuel Injector Brush, clean the cylinder head fuel injector bores.
- 16.
Remove the spark plugs. Refer to: Engine Ignition 3.5L GTDI .
- 17.NOTE: LH shown, RH similar.NOTE: If the components are to be reinstalled, they must be installed in the same positions. Mark the components for installation into their original locations.
Using the Valve Spring Compressor, remove the valve collet, valve spring retainer and the valve spring.