High-Pressure Fuel Pump: Removal
WARNING: This page is about a different car, the 2018 Lincoln MKC. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Do not loosen any fittings or plugs on the high-pressure fuel pump.
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NOTE: Do not pull the engine appearance cover forward or sideways to remove. Failure to press straight upward on the underside of the cover at the attachment points may result in damage to the cover or engine components.
- Place your hand under the engine appearance cover at each grommet location and push straight up to release each grommet from the studs.
- After all of the grommets have been released from the studs, remove the appearance cover from the engine.
- Release the fuel system pressure. Refer to: Fuel System Pressure Release .
- Disconnect the battery. Refer to: Battery Disconnect and Connect .
- Remove the air cleaner outlet pipe. Refer to: Air Cleaner Outlet Pipe
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NOTE: When removing or installing the high-pressure fuel pump noise insulator, spreading the openings will reduce the risk of damage.
- Refer to: Quick Release Coupling
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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 high-pressure fuel pump flare nut.
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NOTE: Alternately loosen the 2 high-pressure fuel pump bolts one complete revolution at a time.
- If any flat spots or scoring are found, especially in the indicated areas, then inspect the high-pressure fuel pump and the high-pressure fuel pump tappet drive lobe. Install new components as necessary.