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.

With the vehicle in NEUTRAL, position it on a hoist. Refer to: Jacking and Lifting - Overview .
Release the fuel system pressure. Refer to: Fuel System Pressure Release .
Disconnect the battery. Refer to: Battery Disconnect and Connect .
Remove the retainers and the underbody shield.

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Loosen the clamp.
Torque

: 42 lb.in (4.8 Nm)

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Release the clamps and disconnect the by-pass hose and the vacuum hose.

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Remove the bolt and position the lower RH air cleaner outlet pipe aside.
Torque

: 71 lb.in (8 Nm)

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Loosen the CAC intake lower pipe RH clamp.

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Loosen the CAC intake upper pipe RH clamp.

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1. Disconnect the EVAP canister purge valve quick release coupling. Refer to: Quick Release Coupling .
2. Detach the retainer and position the EVAP canister purge valve tube aside.
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Detach the coolant hose from the starter motor bracket.

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1. Remove the bolt.
2. Disconnect the bypass valve electrical connector and remove the CAC intake pipe RH.
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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.

Remove the high-pressure fuel pump noise insulator.

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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 tube flare nuts with a shop towel to absorb any residual fuel pressure during the loosening of high-pressure fuel tube flare nuts.

Disconnect the high-pressure fuel pump-to-fuel rail high-pressure fuel tube flare nuts, then remove and discard the high-pressure fuel pump-to-fuel rail high-pressure fuel tube.

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Disconnect the high-pressure fuel pump fuel feed tube quick release coupling. Refer to: Quick Release Coupling .

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NOTE: Alternately loosen the high-pressure fuel pump nuts one complete revolution at a time.

Remove the high-pressure fuel pump nuts and then remove the high-pressure fuel pump.

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Remove and discard the high-pressure fuel pump O-ring seal.

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Remove the high-pressure fuel pump tappet.

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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 needed.

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