Right camshaft (Discovery 3)

Removal

1. Disconnect the ground cable from the battery. For more information, refer to Specification.

2. Remove the front camshaft oil seal. For more information, refer to Front Camshaft Oil Seal (12.13.44)

3. Remove the brake vacuum pump. For more information, refer to Brake Vacuum Pump - 2.7L Diesel (70.50.19)

4. Remove the right cylinder head cover. For more information, refer to Right Valve Cover (12.29.44)

5. Hold the secondary timing chain tensioner piston.

• Install the secondary timing chain tensioner.
• Insert a 1.5mm diameter pin (0.060 inches) into the piston of the secondary timing chain tensioner.

6.

CAUTION: Loosen the camshaft bearing caps gradually and evenly.

(See the source on the website: www.lrman.ru)

Remove the camshaft bearing caps. Remove 18 bolts.



7. Remove the camshafts with the secondary timing chain tensioner assembly.

• Remove 2 bolts.
• Release the right secondary timing chain tensioner.

8. Remove the secondary timing chain tensioner.



9. Remove the right camshafts. Remove the secondary timing chain from the right camshafts.

Installation

1. Place the secondary timing chain onto the camshafts.

2.

CAUTION: Do not release the secondary timing chain tensioner retaining pin until all camshaft bearing caps have been installed.

Install the secondary timing chain tensioner. Align the marks on the camshafts with the marks on the secondary timing chain.



3. Install the camshafts with the secondary timing chain tensioner assembly. Lubricate the camshaft journals and cams.

4. Install the right secondary timing chain tensioner. Tighten the 2 mounting bolts. (tightening torque 10 Nm).

5. Install the camshaft bearing caps.

• Do not install the two exhaust camshaft bearing caps at this stage.
• Tightening of bolts is carried out in the specified sequence in three stages. Stage 1: tightening torque 1 Nm.
• Step 2: Tightening torque 5 Nm.
• Step 3: Tightening torque 10 Nm.

6. Apply sealant to the bearing caps of both camshafts as shown in the figure. For more information, refer to Specification.





7. Install the camshaft bearing caps.

• Tightening of bolts is carried out in the specified sequence in three stages.
• Step 1: Tightening torque 1 Nm.
• Step 2: Tightening torque 5 Nm.
• Step 3: Tightening torque 10 Nm.

8. Release the secondary timing chain tensioner piston. Remove the locking pin.

9. Remove the right cylinder head cover. For more information, refer to Right Valve Cover (12.29.44)

10. Install the brake vacuum pump. For more information, refer to Brake Vacuum Pump - 2.7L Diesel (70.50.19)

11. Install the front camshaft oil seal. For more information, refer to Front Camshaft Oil Seal (12.13.44)

12. Connect the ground cable to the battery. For more information, refer to Specification.