Lower Timing Chain (G2132026): Installation

WARNING: This page is about a different car, the 2020 Jaguar XE and 2019 Jaguar XE. However, it is still accessible from the selected car via links, so may be relevant.

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- Install the new timing chain onto the new idler sprocket.
  Renew Part: Lower timing chain Quantity: 1 .
  
  Renew Part: Timing chain idler sprocket Quantity: 1 .
- Make sure that the coloured link is aligned as illustrated.
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- Install the new lower timing chain and the new idler sprocket
- Install and tighten the new bolt.
  Renew Part: Timing chain idler sprocket bolt Quantity: 1 .
  
  Torque : 35 Nm
- Make sure that the timing marks are aligned as illustrated in step 3.
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- Make sure that the timing marks are aligned as illustrated
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- Install the new lower timing chain guide.
  Renew Part: Lower timing chain guide Quantity: 1 .
- Install the 2 new bolts.
  Renew Part: Timing chain guide bolt Quantity: 2 .
  
  Torque : 25 Nm
- Make sure that the timing marks remain aligned as illustrated.
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- Install the new timing chain tensioner guide.
  Renew Part: Lower timing chain guide Quantity: 1 .
- Install and tighten the new bolt.
  Renew Part: Lower timing chain lower guide pivot bolt Quantity: 1 .
  
  Torque : 11 Nm
CAUTION: Make sure that a new lower timing chain tensioner is installed.

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- Install a new lower timing chain tensioner.
  Renew Part: Lower timing chain tensioner Quantity: 1 .
- Install and tighten the 2 bolts.
  Renew Part: Timing chain tensioner bolt Quantity: 2 .
  
  Torque : 11 Nm
CAUTION: Make sure that the timing chain tensioner is fully deployed.

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Release the lower timing chain tensioner piston.
NOTE: Maintain tension on the chain to prevent the coloured link from disengaging with its sprocket position.

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- Install the upper timing chain.
- Make sure that the coloured link is aligned as illustrated.
CAUTION: Make sure that the upper timing chain does not come off the idler sprocket and stays in the correct position.

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- Install a new left upper timing chain guide.
  Renew Part: Upper timing chain guide Quantity: 1 .
- Install and tighten the bolt.
  Renew Part: Left side timing chain guide bolt Quantity: 1 .
  
  Torque : 25 Nm
CAUTION: Make sure that the upper timing chain does not come off the idler sprocket and stays in the correct position.

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- Install the intake camshaft VCT unit. Make sure that the correct VCT unit is installed as noted in the removal steps.
- Make sure that the camshaft pin is correctly seated in the VCT unit as illustrated.
- Install and tighten a new VCT unit center bolt.
  Renew Part: Variable camshaft timing actuator bolts Quantity: 1 .
  
  Torque
  
  Stage 1: 10 Nm
  
  Stage 2: Loosen 90°
- Check if the highlighted link on the timing chain is aligned with the timing mark on the VCT unit as illustrated.
CAUTION: Make sure that the upper timing chain does not come off the idler sprocket and stays in the correct position.

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Install a new upper timing chain tensioner arm.

Renew Part: Timing chain tensioner arm Quantity: 1 .
CAUTION: Make sure that the upper timing chain does not come off the idler sprocket and stays in the correct position.

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- Install the exhaust camshaft VCT unit. Make sure that the correct VCT unit is installed as noted in the removal steps.
- Make sure that the camshaft pin is correctly seated in the VCT unit as illustrated.
- Install and tighten a new VCT unit center bolt.
  Renew Part: Variable camshaft timing actuator bolts Quantity: 1 .
  
  Torque
  
  Stage 1: 10 Nm
  
  Stage 2: Loosen 90°
- Check if the highlighted link on the timing chain is aligned with the timing mark on the VCT unit as illustrated.
CAUTION: Make sure that the upper timing chain does not come off the idler sprocket and stays in the correct position.

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- Install a new upper timing chain guide.
  Renew Part: Upper timing chain guide Quantity: 1 .
- Install and tighten the 2 bolts.
  Renew Part: Upper timing chain upper guide bolt Quantity: 2 .
  
  Torque : 11 Nm
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- Install the special tool JLR-303-1636.
  Special Tool(s) : JLR-303-1636
- Install and tighten the 2 special tool bolts.
  Torque : 13 Nm
CAUTION: Make sure that a new upper timing chain tensioner is installed.

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Install and tighten the new timing chain tensioner.

Renew Part: Upper timing chain tensioner Quantity: 1 .

Torque : 55 Nm
CAUTION: Make sure that the timing chain tensioner piston is fully deployed.

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- Release the secondary timing chain tensioner piston.
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- Fully tighten the VCT bolts.
  Torque
  
  Stage 1: 25 Nm
  
  Stage 2: 60°
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- Remove the 2 special tool bolts.
- Remove the special tool JLR-303-1636.
  Special Tool(s) : JLR-303-1636
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- Remove the 2 special tool bolts.
- Remove the special tool JLR-303-1635.
  Special Tool(s) : JLR-303-1635
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Remove the special tool JLR-303-1630.

Special Tool(s) : JLR-303-1630
NOTE: This step is to make sure that the timing components are properly installed.

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Use the special tool JLR-303-1656 to rotate the crankshaft 2 times clockwise.

Special Tool(s) : JLR-303-1656
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- Install the charge air radiator bracket.
- Torque : 47 Nm
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- Install the 2 nuts.
  Torque : 10 Nm
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Install the 3 clips.
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Install the 2 fir tree clips.
Install the charge air radiator.
Refer to: CHARGE AIR COOLER
Install the lower timing cover.
Refer to: LOWER TIMING COVER
Install the upper timing cover.
Refer to: UPPER TIMING COVER
Connect the 12 V system.
Refer to: STARTUP BATTERY DISCONNECT AND CONNECT
Install the hood.
Refer to: HOOD