Jaguar XJ (X350). Manual — part 691

5 . NOTE:

Left-hand shown, right-hand similar.

Detach the high-pressure fuel supply line clamps.

6

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CAUTION: Make sure that the high-pressure fuel supply line remains in contact with

the fuel injection supply manifold and fuel injection diverter rail until both unions have

been detached and cleaned. Failure to follow this instruction may result in foreign matter

ingress to the fuel injection system.

NOTE:

Left-hand shown, right-hand similar.

Loosen the high-pressure fuel supply lines.

7

.

Using the pneumatic vacuum gun, vacuum foreign material from the high-pressure fuel supply

lines, the fuel injection diverter rail and the fuel injection supply manifolds.

For additional information, refer to Fuel Injection Component Cleaning

8

.

NOTE:

Left-hand shown, right-hand similar.

Remove and discard the high-pressure fuel supply lines.

Install suitable blanking caps to the open threaded ports on the fuel

injection diverter rail and fuel injection supply manifold.

9

.

CAUTION: Make sure that the high-pressure fuel supply line remains in contact with

the fuel injection pump and fuel injection diverter rail until both unions have been

detached and cleaned. Failure to follow this instruction may result in foreign matter ingress

to the fuel injection system.

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CAUTION: Make sure the tool used to loosen the high-pressure fuel supply line

unions is used at the top of the unions as this is where there is most material. Failure to

follow this instruction may result in damage to the unions.

Loosen the high-pressure fuel supply line.

10

.

Using the pneumatic vacuum gun, vacuum foreign material from the high-pressure fuel

supply lines, the fuel injection diverter rail and the fuel injection pump.

For additional information, refer to Fuel Injection Component Cleaning

11

.

Remove and discard the high-pressure fuel supply line.

Install suitable blanking caps to the open threaded ports on the fuel

injection diverter rail and fuel injection pump.

12 . Remove the low-pressure fuel line retaining nut.

13 . Disconnect the fuel rail pressure (FRP) sensor electrical connector.

14 . Disconnect the low-pressure fuel line.

Install suitable blanking caps to the fuel line and union.

15 . Detach the low-pressure fuel line.

Install suitable blanking caps to the fuel line and union.

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