Left Cylinder Head (G2796540): Installation

WARNING: This page is about a different variant/trim than selected.

Check the cylinder head face for distortion, across the center and from corner to corner.
Refer to: the appropriate service information .
NOTE: Make sure that the sensors are installed to the noted removal position.

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- Install the 2 knock sensors.
- Install and tighten the 2 bolts.
  Torque : 20 Nm
CAUTION: Make sure that the mating faces are clean and free of any foreign material.

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Install a new left cylinder head gasket.

Renew Part: Cylinder head gasket Quantity: 1 .
NOTE:
- Care must be taken to avoid damage to the cylinder head camshaft bores.
- Use the special tool JLR-303-1492 to protect the camshaft bores edges during rundown sequence.
Fig 1: Left Cylinder Head Bolts Tightening Sequence/Loosening Sequence
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- Install the left cylinder head.
- Use the 2 special tools to install and tighten the 10 new cylinder head bolts in the sequence illustrated.
  Special Tool(s): JLR-303-1653 , 303-1492
  
  Renew Part: Cylinder head bolts Quantity: 10 .
  
  Torque
  
  Stage 1: 20 Nm
  
  Stage 2: 35 Nm
- Loosen each bolt and then tighten each bolt in the illustrated sequence.
  Torque : 35 Nm
- Tighten the 10 bolts in the illustrated sequence.
  Torque : 90°
- Tighten the 10 bolts in the illustrated sequence.
  Torque : 120°
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Install and tighten a new cylinder head bolt in the position illustrated.

Renew Part: Cylinder head bolts Quantity: 1 .

Torque : 25 Nm
Fig 2: New Cylinder Head Auxiliary Bolts Tightening Sequence
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Install and tighten the 2 new cylinder head auxiliary bolts in the sequence illustrated.

Renew Part: Cylinder head bolts Quantity: 2 .

Torque : 12 Nm
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Lubricate each of the areas shown with a drop of clean engine oil.

Refer to: SPECIFICATIONS
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 noted original positions.
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Install the 16 tappets.
NOTE: This step is only required if new components are not installed.

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Install 2 new O-ring seals to the rear coolant manifold.

Renew Part: Cylinder block coolant outlet O-ring seals Quantity: 2 .
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- Install the rear coolant manifold.
- Install and tighten the 4 bolts.
  Torque : 9 Nm
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- Install the electrical connector clip.
- Connect the electrical connector.
- Install the 2 wiring harness clips.
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- Install the rear coolant manifold left hose.
- Install the clamp.
- Install the coolant hose to the 2 clips.
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- Reposition the transmission breather pipe into the correct location.
- Install and tighten the bolt.
  Torque : 9 Nm
- Install the clip.
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- Reposition and secure the knock sensor wiring harness assembly to the original position.
- Secure the 2 clips as illustrated.
- Connect the 2 electrical connectors.
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- Reposition the wiring harness to the original position.
- Secure the clip.
Fill the engine cooling system with the correct amount of coolant fluid.
Refer to: COOLING SYSTEM PARTIAL DRAINING AND VACUUM FILLING
Remove the left exhaust manifold.
Refer to: LEFT EXHAUST MANIFOLD
Remove the left camshafts.
Refer to: LEFT CAMSHAFT
Connect the 12 V system.
Refer to: 12V SYSTEM DISCONNECT AND CONNECT