Jaguar XJ (X350). Manual — part 462
Timing Drive Components - VIN Range:
G00442->G45703 (12.65.13)
Special Service Tools
Camshaft setting tool
303-530
Timing chain tensioning tool
303-532
Crankshaft setting tool
303-645
Removal
All vehicles
1
.
Remove the engine front cover.
For additional information, refer to Engine Front Cover - VIN Range: G00442->G45703
(12.65.01)
2 . Remove the spark plugs.
3 . Remove the air deflector.
For additional information, refer to Air Deflector (76.11.41)
4 . Disconnect the crankshaft position sensor electrical connector.
5 . Remove the crankshaft position sensor.
6
.
CAUTION: Make sure the spark plugs are removed to enable the engine to rotate
freely.
CAUTION: Do not rotate the crankshaft counterclockwise. The timing chains may
bind causing engine damage.
CAUTION: Rotate the crankshaft clockwise to position the engine to top dead center
(TDC) No. 1 cylinder
Install the special tool 303-645.
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Vehicles without supercharger
7 . Remove the right-hand variable camshaft timing oil control unit housing.
Remove and discard the O-ring seals.
8 . Remove the left-hand variable camshaft timing oil control unit housing.
Remove and discard the O-ring seals.
All vehicles
9 . Install the special tool to the left-hand cylinder head.
10 . Install the special tool to the right-hand cylinder head.
11 . Remove the primary timing chain tensioner assembly.
12 . Remove the primary timing chain tensioner guide.
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