Jaguar XJ (X350). Manual — part 348
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21
.
CAUTION: Make sure the crankshaft keyway is at the 9 O'clock position before any
further engine repairs are carried out.
Remove the crankshaft pulley retaining bolt and washer.
22 . Remove the crankshaft sprocket.
Installation
1 . NOTE:
Make sure the crankshaft sprocket timing marks are facing outwards.
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Install the crankshaft sprocket.
2
.
CAUTION: Make sure the crankshaft keyway is at the 9 O'clock position before the
camshaft positions are aligned.
Install the crankshaft pulley retaining bolt and washer.
3
.
Rotate the left-hand intake camshaft clockwise until the camshaft sprocket alignment mark is
at the 9 O'clock position and rotate the left-hand exhaust camshaft sprocket clockwise until
the camshaft sprocket alignment mark is at the 2 O'clock position.
4
.
Rotate the right-hand intake camshaft clockwise until the camshaft sprocket alignment mark is
at the 5 O'clock position and rotate the right-hand exhaust camshaft sprocket clockwise until
the camshaft sprocket alignment mark is at the 12 O'clock position.
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5 . Rotate the crankshaft clockwise until the keyway is at the 11 O'clock position.
6 .
CAUTION: Inspect and replace the O-ring seal if necessary.
CAUTION: Make sure the O-ring seal is correctly installed.
Install the left-hand timing chain outer guide.
Tighten the retaining bolts in the sequence shown in two stages.
Stage 1: Tighten bolt 1 to 25 Nm.
Stage 2: Tighten bolts 2 to 25 Nm.
7
.
CAUTION: Make sure the crankshaft keyway is at the 11 O'clock position, the
alignment mark on the left-hand intake camshaft sprocket is at the 9 O'clock position and
![](/vehicles/nyostiena/ksachif/dof/his.png)
the alignment mark on the left-hand exhaust camshaft sprocket is at the 2 O'clock position.
CAUTION: Make sure the timing chain alignment marks are correctly positioned to
the crankshaft sprocket and camshaft sprocket alignment marks.
CAUTION: Make sure the timing chain slack is on the tensioned side of the timing
chain.
Install the left-hand timing chain.
8 . Install the left-hand timing chain inner guide.
9 .
CAUTION: Do not manually adjust the timing chain tensioner.
Install the left-hand timing chain tensioner.
Tighten to 25 Nm.
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