Lower Timing Chain (G2309062): Removal

CAUTION: Before disconnecting any components, make sure the area is clean and free from foreign material. When disconnected all openings must be sealed.

NOTE:

This procedure contains some variation in the illustration depending on the vehicle specification, but essential information is always correct.
This procedure contains illustrations showing certain components removed to provide extra clarity.

The following step(s) applies to:

All vehicles

Raise and support the vehicle on a suitable 2 post lift.
Refer to: JACKING AND LIFTING .
Disconnect the startup battery ground cable.
Refer to: 12V SYSTEM DISCONNECT .
Remove the front right wheel arch liner.
Refer to: FRONT WHEEL ARCH LINER .
Remove the upper timing cover.
Refer to: UPPER TIMING COVER .
Remove the lower timing cover.
Refer to: LOWER TIMING COVER .
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- Install the special tool JLR-303-1656 as illustrated.
  Special Tool(s): JLR-303-1656
- Use the special tool JLR-303-1656 to rotate the crankshaft until the timing marks align as illustrated.
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Check if the highlighted links on the timing chain are aligned with the timing marks on the Variable Camshaft Timing (VCT) units as illustrated.
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Check if the highlighted links on the timing chain are aligned with the timing marks on the idler sprocket and the cylinder block.
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- Install the special tool JLR-303-1635 as illustrated.
  Special Tool(s): JLR-303-1635
- Install and tighten the 2 special tool bolts.
  Torque : 13 Nm
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- Install the special tool JLR-303-1636 as illustrated.
  Special Tool(s): JLR-303-1636
- Install and tighten the 2 special tool bolts.
  Torque : 13 Nm
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Install the special tool JLR-303-1630 to lock the crankshaft.

Special Tool(s): JLR-303-1630

The following step(s) applies to:

Mild Hybrid Electric Vehicles
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Install the special tool JLR-303-1686 adapter to the special tool JLR-303-1630 crankshaft pulley locking tool.

Special Tool(s): JLR-303-1630 , JLR-303-1686
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Install the special tools JLR-303-1630 and JLR-303-1686 to lock the crankshaft.

Special Tool(s): JLR-303-1630 , JLR-303-1686

The following step(s) applies to:

All vehicles
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Loosen, but do not fully remove the 2 VCT bolts.
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Remove and discard the upper timing chain tensioner.
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- Remove the 2 special tool bolts.
- Remove the special tool JLR-303-1636.
  Special Tool(s): JLR-303-1636
CAUTION: Note the location of the VCT units prior to removal. Each VCT unit is matched to a specific camshaft.

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- Remove and discard the 2 VCT unit center bolts.
- Remove the 2 VCT units.
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- Remove and discard the 2 bolts.
- Remove the upper timing chain guide.
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- Remove the bolt.
- Remove the left upper timing chain guide.
- Remove the upper timing chain tensioner arm.
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- Release the upper timing chain from the idler sprocket.
- Remove the upper timing chain.
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Remove the lower timing chain guide bolt.
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- Remove the 2 bolts.
- Remove and discard the lower timing chain tensioner.
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- Remove the bolt.
- Remove the lower timing chain tensioner arm.
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- Remove the bolt.
- Remove the lower timing chain guide.
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- Remove the bolt.
- Remove the idler sprocket.
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Remove the lower timing chain.