Relieving pressure in the fuel supply system 4.4L (Discovery 3)

Special tool

Fuel System Spring Lock Release Tool 310-005

1. Disconnect the ground wire from the battery.

2. Remove the engine cover. Engine Cover - 4.4L (12.30.50)

3.

CAUTION: Do not carry or use a cell phone when working with any fuel-related parts or in the immediate vicinity of such parts. In such situations, highly flammable mixtures are always present, which can ignite. Failure to follow these instructions may result in personal injury.

WARNING: Do not smoke or carry a lighted cigarette or open flame of any kind when working on or near fuel-related components. Highly flammable mixtures are always present in such situations and may ignite. Failure to follow these instructions may result in injury.

CAUTION: Some fuel will inevitably spill during this operation. Make sure that all necessary precautions are taken to prevent fire and explosion.

CAUTION: Before disconnecting or disassembling parts, make sure that the area around the contact surfaces and connections is clean. To avoid contamination of the system, close all open connections with plugs.

Using a special tool, disconnect the fuel line.

• Release the clamp.
• Place absorbent cloth to absorb spilled fuel.

4. Connect the fuel line to the fuel rail.

• Clean the contact surfaces of the parts.
• Secure the clamp.

5. Install the engine cover. Engine Cover - 4.4L (12.30.50)

6. Connect the ground wire to the battery.

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