Fuel Rail: Removal
WARNING: This page is about a different variant/trim than selected.
- 1.
Release the fuel system pressure. Refer to: Fuel System Pressure Release .
- 2.
Disconnect the battery. Refer to: Battery Disconnect and Connect .
- 3.
Remove the ignition coil-on-plugs. Refer to: Ignition Coil-On-Plug .
- 4.NOTE: To release the fuel pressure in the high-pressure fuel tube, wrap the high-pressure fuel pump flare nut with a shop towel to absorb any residual fuel pressure during the loosening of the high-pressure fuel pump flare nut.
- Disconnect the high-pressure fuel tube flare nuts.
- Remove and discard the high-pressure fuel tube.
- 6.NOTE: Pull out the fuel rails in the direction of the fuel injector axis or damage may occur to the fuel injectors.NOTE: Use regulated low pressure compressed air to remove any dirt or foreign material from the cylinder head, the engine block and the general surrounding area of the fuel rail and the fuel injectors.NOTE: When removing the fuel rails, the fuel injectors may remain in the cylinder head 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 bolts, then remove the fuel rail.
- 9.
Using the special tools, remove any of the fuel injectors that remained in the cylinder head. Use Special Service Tool: 307-005 (T59L-100-B) Slide Hammer., 310-206 Remover, Fuel Injector.
- 10.NOTE: Make sure to thoroughly clean any residual fuel or foreign material from the cylinder head, the engine block and the general surrounding area of the fuel rail and the fuel 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 special tool, clean the cylinder head fuel injector bores. Use Special Service Tool: 310-205 Fuel Injector Brush.