Jaguar XJ (X350). Service manual — part 694
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 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: 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 caps to any open
orifices or lines.
CAUTION: Do not disassemble or clean inside the fuel pump, even with an ultrasonic
cleaner. Always install a new fuel pump when required.
NOTE:
If the fuel pump has suffered a major mechanical failure, new fuel injectors should also
be installed.
Disconnect the battery ground cable.
For additional information, refer to Battery Disconnect and Connect
2 . Remove the secondary bulkhead center panel.
For additional information, refer to Secondary Bulkhead Center Panel
3 . Remove the fuel injection pump belt cover.
4 . NOTE:
The fuel injection pump belt is not timed to the engine.
Remove and discard the fuel injection pump belt tensioner.
5
.
NOTE:
The fuel injection pump rotates in an anti-clockwise direction when viewed from the
rear of the engine.
Note the direction of rotation of the fuel injection pump belt.
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6 . Remove and discard the fuel injection pump belt.
7 . Remove the camshaft rear pulley retaining bolt.
Using the special tool, retain the camshaft rear pulley.
Remove and discard the camshaft rear pulley retaining bolt.
8 . Remove the camshaft rear pulley.
9 . Remove the injection pump pulley retaining nut.
Using the special tool, retain the fuel injection pump pulley.
Remove the injection pump pulley retaining nut.
10 . Using the special tool, remove the fuel injection pump pulley.
11 . Detach the exhaust gas recirculation (EGR) coolant outlet tube.
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