Left Cylinder Head (G1557016): 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: The maximum acceptable flatness of the cylinder head is 0.2 mm.

Check cylinder head face for distortion, across the center and from corner to corner.
WARNING: Make sure care is taken when handling the cylinder head gasket.
CAUTION:
- The head gasket must be installed over the cylinder block dowels.
- Make sure that the mating faces are clean and free of foreign material.
NOTE: Install a new cylinder head gasket.

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Renew Part: Cylinder head gasket Quantity: 1 .
CAUTION: Make sure that new cylinder head bolts are installed.

NOTE: Tighten the bolts in the indicated sequence.

Fig 1: Cylinder Head Bolts Tightening Sequence
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Install the Special Tool(s): JLR-303-1653 , 303-1492

Renew Part: Cylinder head bolts Quantity: 1 .

Torque : 20 Nm
NOTE: Tighten the bolts in the indicated sequence.

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Torque : 35 Nm
NOTE: Slacken the bolts in the indicated sequence.

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NOTE: Tighten the bolts in the indicated sequence.

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Torque : 35 Nm
NOTE: Tighten the bolts in the indicated sequence.

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Tighten the bolts 1 to 8, a further 90 degrees.
NOTE: Tighten the bolts in the indicated sequence.

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Tighten the bolts 1 to 8, a further 120 degrees.
Remove the special tools.
Remove the Special Tool(s): JLR-303-1653 , 303-1492
NOTE: Tighten the bolts in the indicated sequence.

Fig 2: Cylinder Head Bolts Tightening Sequence
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Torque : 25 Nm
NOTE: Tighten the bolts in the indicated sequence.

Fig 3: Cylinder Head Bolts Tightening Sequence
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Torque : 12 Nm
CAUTION:
- If a new cylinder head has been installed then new tappets must be installed.
- If the cylinder head is being removed without a new component being installed, the tappets must be installed in their original positions.
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Lubricate the valve tappets with clean engine oil.
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Torque : 10 Nm
CAUTION: Install the new seals.

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Renew Part: Engine block heater manifold seal(s) Quantity: 1 .

Torque : 10 Nm
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Torque : 20 Nm
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Torque : 12 Nm
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Torque : 12 Nm
Refer to: LEFT CAMSHAFT (G1557011)
Refer to: LEFT EXHAUST MANIFOLD (G1557021)
Refer to: SECONDARY BULKHEAD LEFT PANEL
Refer to: STARTUP BATTERY DISCONNECT AND CONNECT