Jaguar XJ (X350). Manual — part 504

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.

72 . Install the primary timing chain tensioner assembly.

•

Tighten to 12 Nm.

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

•

Remove the retaining tool.

74

.

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

sprocket bolt.

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

primary timing chain on its drive side.

71

.

NOTE:

•

Tighten to 20 Nm + 90 deg.

75

.

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

sprocket bolt.

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

•

Tighten to 20 Nm + 90 deg.

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

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

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

•

Install new O-ring seals.

•

Tighten to 22 Nm.

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

•

Install new O-ring seals.

•

Tighten to 22 Nm.

80 . Remove the special tool.

81 . Install the crankshaft position sensor.

•

Tighten to 10 Nm.

82 . Install new seals to the timing cover.

26. Install the new seal to the inner groove on the face of the timing cover.

27. Install the new seal to the outer groove on the face of the timing cover.

83 Apply sealant to the eight joints on the engine face.

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