Jaguar XJ (X350). Manual — part 412

13 . Install the camshaft setting tool.

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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.

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

16 . Install the secondary timing chain tensioner retaining bolts.

Tighten to 12 Nm.

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

Remove the retaining tool.

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

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Reposition the camshaft sprockets for the most advantageous position for

use of the tool.

19 . Install the primary timing chain tensioner guide.

Tighten to 12 Nm.

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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.

21 . Install the primary timing chain tensioner guide.

Tighten to 12 Nm.

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CAUTION: During timing chain tensioner compression, do not release the ratchet

stem until the timing chain tensioner piston is fully bottomed in its bore or damage to the

ratchet stem will result.

Using a suitable tool, hold the left-hand timing chain tensioner ratchet lock mechanism away

from the ratchet stem.

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