Jaguar XJ (X350). Service manual — part 580

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 fuel injectors.

For additional information, refer to

2 . Detach the coolant hose.

3 . Remove the intake air shutoff throttle elbow retaining bolt.

4 . Disconnect the intake air shutoff throttle electrical connectors.

5 . Detach the intake air shutoff throttle elbow.

Release the retaining clip.

6 . Detach the vacuum hoses.

7 . Remove the intake air shutoff throttle retaining bolt.

www.

8 . Disconnect the manifold absolute pressure (MAP) sensor electrical connector.

9 . Detach the fuel return line valve from the intake air shutoff throttle.

10

.

CAUTION: Make sure the fuel return line valve retaining clip is not damaged.

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

Reposition the intake air shutoff throttle.

11

.

CAUTION: Make sure the fuel return line valve retaining clip is not damaged.

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

Reposition the intake air shutoff throttle.

12

.

CAUTION: Make sure the fuel return line valve retaining clip is not damaged.

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

Remove the intake air shutoff throttle.

13 . Disconnect the knock sensor (KS) electrical connector.

www.