Jaguar XJ (X350). Manual — part 469

21 . Remove the crankshaft sprocket.

22 . Remove the primary timing chain tensioner guide.

23 . Remove the secondary timing chain tensioner retaining bolts.

24

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Remove the camshaft sprockets.

Remove the secondary timing chain tensioner and secondary timing chain

from the camshaft sprockets.

Installation

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

2

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CAUTION: Do not tighten the camshaft sprocket retaining bolts.

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.

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3 . Install the secondary timing chain tensioner retaining bolts.

Tighten to 12 Nm.

4 . Release the tension in the left-hand timing chain tensioner.

Remove the retaining tool.

5

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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.

6 . Install the primary timing chain tensioner guide.

Tighten to 12 Nm.

7 . Install the crankshaft sprocket.

8

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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.

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