Jaguar XJ (X350). Manual — part 701

Fuel Injector (18.10.01)

Special Service Tools

Fuel Injector Remover

303-1127

Removal

WARNING: Wait at least 30 seconds after the engine stops before commencing any repair to

the high-pressure fuel injection system. Failure to follow this instruction may result in personal

injury.

WARNING: Do not smoke or carry lighted tobacco or open flame of any type when working

on or near any fuel related components. Highly flammable mixtures are always present and may

ignite. Failure to follow these instructions may result in personal injury.

WARNING: This procedure involves fuel handling. Be prepared for fuel spillage at all times

and always observe fuel handling precautions. Failure to follow these instructions may result in

personal injury.

WARNING: Do not carry out any repairs to the fuel system with the engine running. The fuel

pressure within the high-pressure fuel system can be as high as 1650 bar. Failure to follow this

instruction may result in personal injury.

CAUTION: Do not disconnect the fuel injector electrical connectors with the engine running.

Failure to follow this instruction may result in serious damage to the vehicle.

CAUTION: Make sure the workshop area in which the vehicle is being worked on is as clean

and as dust free as possible. Foreign matter from work on clutches, brakes or from machining or

welding operations can contaminate the fuel system and may result in later malfunction.

CAUTION: Always carry out the cleaning process before carrying out any repairs to the fuel

injection system components. Failure to follow this instruction may result in foreign matter ingress

to the fuel injection system.

CAUTION: Diesel fuel injection equipment is manufactured to very precise tolerances and

fine clearances. It is therefore essential that absolute cleanliness is observed when working with

these components. Always install blanking plugs to any exposed ports.

CAUTION: Do not disassemble the fuel injectors or clean the nozzles, even with an

ultrasonic cleaner. Always install new fuel injectors when required.

1 . Disconnect the battery ground cable.

For additional information, refer to Battery Disconnect and Connect

2 . Remove the cowl vent screen.

For additional information, refer to Cowl Vent Screen (76.10.01)

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Remove the exhaust gas recirculation (EGR) valve outlet tube.

For additional information, refer to Exhaust Gas Recirculation (EGR) Valve Outlet Tube

(17.45.11)

4 . Remove the injector sound proofing.

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5 . Remove the engine harness cover.

6 . Remove the engine harness casing.

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CAUTION: Protect the fuel injector electrical connectors with lint-free material to

prevent contamination from the cleaning fluid. Failure to follow this instruction may result

in serious damage to the vehicle.

Clean the fuel injector, high-pressure fuel supply line and surrounding areas.

For additional information, refer to Fuel Injection Component Cleaning

8 . NOTE:

Left-hand shown, right-hand similar.

Disconnect the fuel injector electrical connectors.

9 . NOTE:

Left-hand shown, right-hand similar.

Detach the fuel injection wiring harness.

10 . Clean around the fuel injector, high-pressure fuel supply line and surrounding areas.

For additional information, refer to Fuel Injection Component Cleaning

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

with both the fuel injector and the fuel injection supply manifold 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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