For 1990-2009 cars

#### Special Tools

• | EN-49074 Universal Valve Spring Compressor

• | EN-49155 Valve Spring Compressing Adapter

• | KM-422 Installer

### Assemble Procedure

1. Install the valve spring (3), retainer (2), and seal (4).
2. Install the EN-49074 compressor and EN-49155 adapter .
3. Install the valve key.

Note: Do not scratch the valve tappet. Do not use gloves or tools, except special service tools.

4. Install the valve tappet.
5. Coat and lubricate the camshaft bearing and cam surfaces with clean engine oil.
6. Install the camshafts (1, 2) on the cylinder head.

Note:

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

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

7. Apply surface sealant LOCTITE 574 to sealing surfaces (1) of the 1st camshaft bearing cap thinly and evenly.
8. Install the camshaft bearing caps in this sequence (2)-(3)-(1)-(4).
9. Install the camshaft position solenoid valve housing.

Tighten
Tighten the camshaft bearing cap bolts to 8 N·m (70.8 lb in).

10. Install the new camshaft oil seal rings using KM-422 installer. Refer to Camshaft Front Oil Seal Replacement.