Jaguar XJ (X350). Manual — part 414

The retaining tool must remain in the timing chain tensioner until the timing chain

tensioner is installed to the engine with the piston bottomed in the bore.

Using a suitable tool, retain the right-hand timing chain tensioner piston.

35 . Install the primary timing chain tensioner assembly.

Tighten to 12 Nm.

36 . Release the tension in the right-hand timing chain tensioner.

Remove the retaining tool.

37

.

CAUTION: While applying the opposing force to sprocket and chain, tighten the

sprocket bolt.

CAUTION: Make sure that a new bolt is installed.

34

.

NOTE:

Using the special tool apply force to the tool in an anti-clockwise direction to tension the

primary timing chain on its drive side.

Tighten to 20 Nm + 90 deg.

38

.

CAUTION: While applying the opposing force to sprocket and chain, tighten the

sprocket bolt.

CAUTION: Make sure that a new bolt is installed.

Using the special tool apply force to the tool in an anti-clockwise direction.

Tighten to 20 Nm + 90 deg.

39 . Remove the special tool from the right-hand cylinder head.

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40 . Remove the special tool from the left-hand cylinder head.

Vehicles without supercharger

41 . Install the left-hand variable camshaft timing oil control unit housing.

Install new O-ring seals.

Tighten to 22 Nm.

42 . Install the right-hand variable camshaft timing oil control unit housing.

Install new O-ring seals.

Tighten to 22 Nm.

All vehicles

43 . Remove the special tool.

44 . Install the crankshaft position sensor.

Tighten to 10 Nm.

45 . Connect the crankshaft position sensor electrical connector.

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