Timing Drive Components (G1557030): Installation

WARNING: This page is about a different car, the 2019 Jaguar XJ and 2018 Jaguar XJ. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: Install a new friction washer.

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Renew Part: Crankshaft sprocket friction washer Quantity: 1 .
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Torque : 12 Nm
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Install the special tool to each Camshaft.

Special Tool(s): 303-1452

Torque : 10 Nm
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Carefully rotate the camshafts if the position is not as shown.
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Install the special tool 303-1445 to the rear of the camshafts making sure the keyways are correctly located into each slot on each of the camshafts.

Special Tool(s): 303-1445
CAUTION:
- Do not overturn the camshafts.
- Tighten the wing nuts finger tight. Failure to follow this instruction may result in damage to the components.
- Using a suitable tool, carefully rock the camshaft clockwise then anti-clockwise. Turn the special tool locking nuts until there is no movement left in camshafts.
- Repeat steps 3- 6 for the camshafts on the other cylinder head.
CAUTION:
- Do not allow the camshaft to rotate.
- If the VVT is knocked or dropped then the VVT must be replaced.
NOTE: Do not tighten at this stage.

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Install the timing chain with the variable valve timing (VVT) units.
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Make sure that all the timing chain alignment marks are in the positions shown.
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Torque : 25 Nm
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Make sure the tensioner piston is fully extended. Then fully depress and lock the tensioner piston with the grenade pin before installation, failure to do this may result in damage to the engine.
CAUTION: Do not release the timing chain tensioner locking pin at this stage.

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Torque : 10 Nm
CAUTION:
- Do not allow the camshafts to rotate.
- If the VVT is knocked or dropped then the VVT must be replaced.
NOTE: Do not tighten at this stage.

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Install the timing chain with the VVT units.
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Make sure that all the timing chain alignment marks are in the positions shown.
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Torque : 25 Nm
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Make sure the tensioner piston is fully extended. Then fully depress and lock the tensioner piston with the grenade pin before installation, failure to do this may result in damage to the engine.
CAUTION: Do not release the timing chain tensioner locking pin at this stage.

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Torque : 10 Nm
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CAUTION: Do not use mechanical force.

Make sure that the tensioners are fully deployed.
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Release and reposition the oil suction tube to one side.
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Install the special tool.

Special Tool(s): 303-1482
CAUTION:
- Apply the torque to the end of the special tool.
- Make sure that the torque wrench is aligned with the special tool as illustrated in the graphic.
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Install the torque wrench to the special tool.

Torque : 35 Nm
CAUTION: Make sure that the torque wrench does not move whilst tightening the VVT bolts.

NOTE: Make sure to tighten the exhaust VVT unit bolts first.

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Special Tool(s): 303-1482

Torque : 32 Nm
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Install the oil suction tube.

Torque : 10 Nm
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Install the special tool.

Special Tool(s): 303-1482
CAUTION:
- Apply the torque to the end of the special tool.
- Make sure that the torque wrench is aligned with the special tool as illustrated in the graphic.
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Install the torque wrench to the special tool.

Torque : 35 Nm
CAUTION: Make sure that the torque wrench does not move whilst tightening the VVT bolts.

NOTE: Make sure to tighten the inlet VVT unit bolts first.

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Torque : 32 Nm
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Remove the special tool.

Special Tool(s): 303-1445
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Remove the special tool.

Special Tool(s): 303-1445
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Remove the special tool.

Special Tool(s): JLR-303-1303
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- Install the special tool.
- Special Tool(s): JLR-303-1304
CAUTION: Install the crankshaft pulley bolt with an M16 washer to prevent damage to the crankshaft on installation.

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Torque : 50 Nm
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Remove the special tool.

Special Tool(s): JLR-303-1304
Rotate the engine two complete turns clockwise.
CAUTION: Only rotate the crankshaft clockwise.

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Install the special tool.

Special Tool(s): JLR-303-1303
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Install the special tool.

Special Tool(s): JLR-303-1304
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Remove the special tool.

Special Tool(s): JLR-303-1304
CAUTION:
- If the special tool cannot be installed, return to step 22 of the installation until the special tool 303-1445 is installed correctly.
- If directed to step 22, make sure that the VVT unit retaining bolts are loosened prior to installing the special tool(s).
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Install the special tool.

Special Tool(s): 303-1445
CAUTION: If the special tool cannot be installed, the timing chain installation steps must be repeated.

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Install the special tool.

Special Tool(s): 303-1445
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Remove the special tool.

Special Tool(s): 303-1445
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Remove the special tool.

Special Tool(s): 303-1445
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Remove the special tool.

Special Tool(s): JLR-303-1303
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Torque : 10 Nm
Refer to: LOWER TIMING COVER (G1779456)
Refer to: RIGHT VALVE COVER (G1557033)
Refer to: LEFT VALVE COVER (G1557032)
Connect the battery ground cable.
Refer to: STARTUP BATTERY DISCONNECT AND CONNECT