Jaguar XJ (X350). Manual — part 500

29 . Install a new right-hand cylinder head gasket.

•

Make sure the cylinder head dowels are correctly located.

30

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CAUTION: Vehicles fitted with Polydrive cylinder head bolts, the cylinder head

bolts must be installed using a 10 mm Polydrive socket or a 10 mm Allen key. Failure to

follow this instruction may result in damage to the component.

CAUTION: Tighten the bolts 1 to 10 in the sequence shown.

Install the right-hand cylinder head.

21. Tighten bolts 1 to 10 to 20 Nm.

22. Tighten bolts 1 to 10 to 35 Nm.

23. Tighten bolts 1 to 10 to 90°.

24. Tighten bolts 1 to 10 to 90°.

25. Tighten bolts 11 to 12 to 25 Nm.

31 . NOTE:

Make sure all components are clean.

Apply oil (EP-90) to the camshaft and bearing surfaces, as follows:

•

To the upper face of each bearing surface in the cylinder head.

•

To the upper face of each bearing surface in each bearing cap.

•

On the cam lobes ONLY, not on the base circle area.

32 . Install the left-hand inlet camshaft.

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33 .

CAUTION: Alternate bolt tightening to correctly seat the camshaft bearing caps.

Install the camshaft bearing cap bolts evenly.

•

Tighten to 10 Nm.

34 . NOTE:

Make sure all components are clean.

Apply oil (EP-90) to the camshaft and bearing surfaces, as follows:

•

To the upper face of each bearing surface in the cylinder head.

•

To the upper face of each bearing surface in each bearing cap.

•

On the cam lobes ONLY, not on the base circle area.

35 . Install the left-hand exhaust camshaft.

36 .

CAUTION: Alternate bolt tightening to correctly seat the camshaft bearing caps.

Install the camshaft bearing cap bolts evenly.

•

Tighten to 10 Nm.

37 . NOTE:

Make sure all components are clean.

Apply oil (EP-90) to the camshaft and bearing surfaces, as follows:

•

To the upper face of each bearing surface in the cylinder head.

•

To the upper face of each bearing surface in each bearing cap.

•

On the cam lobes ONLY, not on the base circle area.

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