Camshaft Replacement

Camshaft Replacement

Special Tools

KM-422 - Installer

Removal Procedure

Note: Take extreme care to prevent any scratches, nicks or damage to the camshafts and caps bearing surfaces.

1. Remove the camshaft intake and exhaust sprockets. Refer to Camshaft Intake Sprocket with Actuator Replacement (Camshaft Intake Sprocket with Actuator Replacement) and Camshaft Exhaust Sprocket with Actuator Replacement (Camshaft Exhaust Sprocket with Actuator Replacement).
2. Remove the timing belt tensioner. Refer to Timing Belt Replacement (Service and Repair).




3. Remove the timing belt rear cover (1).




4. Remove the camshaft position solenoid valve housing.
5. Remove the camshaft cap bolts in sequence (1, 4, 2, 3).
6. Remove the camshaft caps.




7. Remove the intake (2)/exhaust (1)camshafts with the seal rings (3).

Installation Procedure




1. Coat/Lubricate the camshaft bearing and cam surfaces with clean engine oil.

Note: It is essential to ensure that no sealant is applied outside the marked sealing areas.

2. Install the camshafts (1, 2) on the cylinder head.





Note: The grooves (1) adjacent to the sealing surfaces must remain free from sealant

3. Apply surface sealant LOCTITE 574 to sealing surfaces (1) of the 1st camshaft bearing cap thinly and evenly.




4. Install the camshaft bearing caps in sequence (2, 3, 1, 4).

Caution: Refer to Fastener Caution (Fastener Caution).

5. Install the camshaft position solenoid valve housing.

Tighten the camshaft bearing cap bolts to 8 Nm (70.8 lb in).

6. Install the new camshaft oil seal rings using KM-422. Refer to Camshaft Front Oil Seal Replacement (Service and Repair).




7. Install the timing belt rear cover (1).

Tighten the timing belt rear cover bolts (2) to 6 Nm (53.1 lb in).

8. Install the timing belt tensioner. Refer to Timing Belt Replacement (Service and Repair).
9. Install the camshaft intake and exhaust sprockets. Refer to Camshaft Intake Sprocket with Actuator Replacement (Camshaft Intake Sprocket with Actuator Replacement) and Camshaft Exhaust Sprocket with Actuator Replacement (Camshaft Exhaust Sprocket with Actuator Replacement).