Jaguar XJ (X350). Service manual — part 571

Valve Cover LH (12.29.43)

Special Service Tools

Accessory belt detensioner

303-703

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 this instruction may result in

personal injury.

WARNING: Do not carry out any repairs to the fuel injection system with the engine

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

instruction may result in personal injury.

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

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

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.

1 . Remove the air deflector.

For additional information, refer to Air Deflector (76.11.41)

2

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Detach the accessory drive belt.

1)

Using the special tool, rotate the accessory drive belt tensioner counter

clockwise.

2) Remove the accessory drive belt.

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3 . Lower the vehicle.

4 . Remove the air cleaner.

For additional information, refer to Air Cleaner (19.10.05)

5 . Detach the coolant hose.

6 . Disconnect the engine coolant temperature (ECT) sensor electrical connector.

7 . Detach the ECT sensor wiring harness.

8 . Detach the exhaust gas recirculation (EGR) valve tube.

9 . Detach the oil level indicator tube.

Remove the retaining bolt.

10 . Loosen the power steering pump retaining bolt.

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