High-Pressure Fuel Pump: Removal
WARNING: This page is about a different variant/trim than selected.
NOTE:
Do not loosen any fittings or plugs on the high-pressure fuel pump.
- Release the fuel system pressure. Refer to: Fuel System Pressure Release .
- Disconnect the battery. Refer to: Battery Disconnect and Connect .
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- Disconnect the high-pressure fuel pump fuel feed tube spring lock coupling. Refer to: Spring Lock Couplings .
- Disconnect the high-pressure fuel pump electrical connector.
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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.
Disconnect the high-pressure fuel tube flare nuts. Remove and discard the high-pressure fuel tube.
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NOTE: Alternately loosen the high-pressure fuel pump bolts one complete revolution at a time.
Remove the high-pressure fuel pump bolts and then remove the high-pressure fuel pump.
- Remove the high-pressure fuel pump drive tappet.
- Inspect the high-pressure fuel pump tappet. 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.