Jaguar XJ (X350). Manual — part 710

7

.

NOTE:

Check the vacuum gauge and any hoses to be used for leaks prior to using on the

vehicle.

NOTE:

Make sure the vacuum gauge hose is a secure fit to the port deactivation diaphragm

caps.

Using a vacuum gauge, check the port deactivation valve diaphragms.

8

.

NOTE:

Some variation in the illustrations may occur, but the essential information is always

correct.

Remove the engine bay brace.

9 . Release the port deactivation valve connecting rod.

10

.

NOTE:

Cut the retaining clips off the old port deactivation diaphragm caps to aid removal.

NOTE:

Make sure the valve cover is not damaged during removal of the port deactivation

diaphragm cap.

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Remove the port deactivation valve cap.

Release the 6 clips.

Check the diaphragm for splits or damage.

11 . Remove the port deactivation valve spring.

12 . Remove the port deactivation valve connecting rod and diaphragm.

13 . Remove the oil filler cap.

14 . Remove the engine cover.

Installation

1 . NOTE:

Apply a small amount water to the diaphragm to aid installation.

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