Timing chain — removal and installation (Defender 2007+)

Special tool (s)

Torque setting tool, crankshaft 303-698

Removing

1.

WARNING: It is forbidden to carry out work on a vehicle standing on only one jack. Always support the vehicle with jack stands.

Raise and support the vehicle.

2. Disconnect the wire "masses" from the battery.

For more information, see the chapter: Disconnecting and connecting the battery (414-01 Battery, Battery Mount and Wires, General Procedures).

3. Remove the timing cover.

For more information, see chapter: Timing gear cover (30301 Engine - Diesel engine ID4 2.4L, Car repair).

4. Remove the crankshaft position sensor (TFR).

For more information, refer to the chapter: Crankshaft Position Sensor (TFR) (303-14 Electronic controls - Diesel engine ID4 2.4L, Removal and installation).

5.

CAUTION: Do not turn the crankshaft when the special tool is fully inserted into the flywheel. Failure to do so may result in vehicle damage.

Rotate the crankshaft to 50 degrees to TDC. Insert the special tool through the hole in the CKP sensor.



6. Using suitable bars with a diameter of 6 mm, block the camshaft sprockets.


7. Loosen the 6 camshaft sprocket bolts.



8. Loosen the 4 injection pump sprocket bolts.



9. Loosen and lock the timing chain tensioner.

• 1. Take the dog away.
• 2. Push in the latch.
• 3. Insert a suitable pin.

10. Remove the timing chain tensioner and the right timing chain guide.

• Turn out two bolts.
• Remove the nut.

11. Remove the upper timing chain guide. Turn out two bolts.



12. Remove the timing chain.

Installation

1.

CAUTION: Make sure the colored links line up with the alignment marks. Failure to do so may result in vehicle damage.

Install the timing chain.




2.

CAUTION: Make sure the timing chain tensioner is fully retracted before installation. Failure to do so may result in vehicle damage.

Install the timing chain guides and tensioner.

• Tighten the bolts (tightening torque 15 Nm).
• tighten the nut (tightening torque 15 Nm).

3. NOTE: Make sure the timing chain tensioner is fully released.

Unlock the timing chain tensioner. Unscrew the pin.

4. Fix asterisks of camshafts and an asterisk of TNVD.

• Tighten the intake camshaft sprocket bolt to 35 Nm.
• Tighten the injection pump sprocket bolts to 33 Nm.

5. Remove the special tool.

6. Remove the 6mm rods.

7. Turn the crankshaft clockwise 2 full turns.

8.

CAUTION: Make sure the special tool is properly installed on the flywheel.

Check the valve timing by inserting a special tool into the hole of the CKP sensor.

9. Check the timing of the camshaft by inserting a suitable bar with a diameter of 6 mm into the holes of the camshaft sprockets.

10. Remove the special tool.

11. Remove the 6mm rods.

12. Install the SKR sensor.

For more information, refer to the chapter: Crankshaft Position Sensor (TFR) (303-14 Electronic controls - Diesel engine ID4 2.4L, Removal and installation).


13. Install the timing cover.

For more information, see chapter: Timing gear cover (30301 Engine - Diesel engine ID4 2.4L, Car repair).

14. Connect the wire "masses" to the battery.

For more information, see the chapter: Connecting the Battery (414-01 Battery, Battery Mount and Wires, General Procedures).