Jaguar XJ (X350). Manual — part 539

16 . NOTE:

Left-hand rear injector shown, left-hand center and front similar.

Install the fuel injector.

Tighten to 10 Nm.

17

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CAUTION: Make sure the fuel return line retaining clip is correctly installed to the

fuel injector before installing the fuel return line.

NOTE:

Left-hand rear injector shown, left-hand center and front similar.

Connect the fuel return line to the fuel injector.

Visually inspect the fuel return line O-ring for damage.

Apply a light coating of petroleum jelly to the fuel line return line O-ring

seals.

Connect the fuel return line to the fuel injector.

18

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CAUTION: Do not allow the unions to hit the olive ends of the high-pressure fuel

supply line as this may damage the ends of the line and allow foreign matter enter the

fuel injection system.

Position the high-pressure fuel supply line as near to the final installation position as possible

and then remove and discard the blanking plugs from the high-pressure fuel supply line.

19

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CAUTION: Maintain pressure on the high-pressure fuel supply line to keep the

olives in contact with the fuel injectors and the fuel rail cones while installing the unions.

NOTE:

Install the high-pressure fuel supply lines to the fuel rail end first followed by the fuel

injector end.

NOTE:

Left-hand shown, right-hand similar.

Install the new high-pressure fuel supply line.

Tighten the high-pressure fuel supply line in the sequence shown:

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Tighten the high-pressure fuel supply line union 1 to fuel injector to 15

Nm.

Tighten the high-pressure fuel supply line union 2 to fuel rail to 15 Nm.

Tighten the high-pressure fuel supply line union 1 to fuel injector to 30

Nm.

Tighten the high-pressure fuel supply line union 2 to fuel rail to 30 Nm.

20 . Attach the fuel injection wiring harness.

21 . Connect the fuel injector electrical connectors.

22 . Connect the vacuum hose.

23 . Attach the engine breather hose.

24 . Attach the glow plug electrical connector onto the left-hand valve cover.

25 . Attach the engine harness.

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