For 1990-2009 cars

#### Special Tools

• | EN 49422 Installer

• | EN 49432 Locking Tool

• | EN 49441 Fixing Tool

For equivalent regional tools, refer to Special Tools.

Caution: Refer to Fastener Caution in the Preface section.

Note: Note the identification marking on the camshaft bearing cover.

1. Tighten the camshaft bearing caps 2-5 in a spiral from the inside to the outside.
2. Tighten the camshaft bearing cap bolts to 8 N·m (71 lb in).
3. Install the intake camshaft.

Apply MoS 2 lubricate paste to the intake camshaft. Refer to Adhesives, Fluids, Lubricants, and Sealers for the recommended lubricate paste.

4. Install the camshaft bearing cover.

Note: Note the identification marking on the camshaft bearing cover.

5. Tighten the camshaft bearing caps 2-5 in a spiral from the inside to the outside.
6. Tighten the camshaft bearing cap bolts to 8 N·m (71 lb in).

7. Install the exhaust camshaft.

Apply MoS 2 lubricate paste to the exhaust camshaft. Refer to Adhesives, Fluids, Lubricants, and Sealers for the recommended lubricate paste.

8. Install the camshaft bearing cover.

Note: Sealing surfaces must be free from oil and grease.

9. Using a suitable tool, such as a plastic wedge, clean the first camshaft bearing support sealing surfaces and the cylinder head sealing surfaces.

Clean the oil duct (arrow) from any sealant residue.

Note:

• | It is essential to ensure that no sealant is applied outside the marked sealing areas.

• | The grooves (1) adjacent to the sealing surfaces must remain free from sealant.

10. Apply green surface sealant, thinly and evenly, to the first camshaft bearing support sealing surfaces (arrows). Refer to Adhesives, Fluids, Lubricants, and Sealers for the recommended sealant.

Caution: Refer to Fastener Caution in the Preface section.

11. Position the camshaft bearing bridge on the cylinder block and hand tighten the bolts to 2 N·m (18 lb in)
12. Install the 2 camshaft seal rings.

12.1. | Using the EN 49422 installer (4), tighten the seal ring on the camshaft until this is in contact with the cylinder head.

12.2. | To install, use camshaft sprocket bolt (1) in conjunction with shims (2) with a total thickness of approximately 10 mm (0.39 in).

12.3. | Remove the EN 49422 installer .

12.4. | Remove the bolt.

Note:

• | Ensure no sealant reaches the camshafts.

• | Note the installation sequence 1-4.

13. Install the first camshaft bearing support and the 4 bolts and tighten to 8 N·m (71 lb in)..
14. Insert the EN 49441 fixer .
15. Turn the intake camshaft against the direction of engine rotation
16. Insert the EN 49441 fixer .
17. Turn the exhaust camshaft in the direction of rotation of the engine.
18. Insert the EN 49441 fixer .

Note: Install the bolt, but DO NOT tighten the bolt.

19. Install the intake camshaft adjuster or exhaust camshaft adjuster.
20. Insert the EN 49432 locking tool into the camshaft adjuster.

Note:

• | The spot-type marking (4) on the intake camshaft adjuster does not correspond to the groove of the EN 49432 locking tool -Left during this process, but must be somewhat above, as shown.

• | The spot-type marking (3) on the exhaust camshaft adjuster must correspond to the groove on the EN 49432 locking tool -Right.

21. Insert the EN 49432 locking tool -Left (1) and the EN 49432 locking tool -Right (2) into the camshaft adjuster, as shown.

Note: A second person is required.

22. Hold at camshaft hexagon.
23. Install the intake camshaft adjuster or exhaust camshaft adjuster and bolt. Tighten the bolts in 3 passes

• | First pass to 65 N·m (48 lb ft).

• | Second pass to an additional 120 degrees.

• | Third pass to an additional 15 degrees.

24. Replace the seal ring and tighten the closure bolt to 30 N·m (22 lb ft)..