Jaguar XJ (X350). Manual — part 398

4 . 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.

5 . Install the right-hand exhaust camshaft.

6 .

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

Install the camshaft bearing cap bolts evenly.

Tighten to 10 Nm.

7 . Install the camshaft setting tool.

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

9

.

CAUTION: Do not tighten the camshaft sprocket retaining bolts.

www.

CAUTION: Make sure the secondary timing chain and camshaft sprockets are free to

rotate.

Install the camshaft sprockets.

Install the secondary timing chain tensioner and secondary timing chain to

the camshaft sprockets.

10 . Install the secondary timing chain tensioner retaining bolts.

Tighten to 12 Nm.

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

Remove the retaining tool.

12

.

Install the timing chain tensioning tool 303-532 to the exhaust camshaft sprocket.

Reposition the camshaft sprockets for the most advantageous position for

use of the tool.

13

.

CAUTION: Make sure the timing chain slack is on the tensioned side of the timing

chain.

Install the primary timing chain.

Install the primary chain over the crankshaft sprocket and the intake

sprocket.

14 . Install the primary timing chain tensioner guide.

Tighten to 12 Nm.

www.