Camshaft and Oil Seals

CAMSHAFTS AND CAMSHAFT OIL SEALS

REMOVAL AND INSTALLATION

Removal Steps 1-19:

SERVICE POINTS OF REMOVAL




11. REMOVAL OF EXHAUST CAMSHAFT SPROCKET/12. INTAKE CAMSHAFT SPROCKET
1. Using a wrench at the hexagonal part of the camshaft (to prevent the crankshaft from turning). loosen the camshaft sprocket bolt.
2. Remove the camshaft sprockets.

13. REMOVAL OF CAMSHAFT OIL SEALS
Remove the oil seals using a screwdriver or similar tool.

CAUTION: Take care not to damage front camshaft bearing cap and camshaft.

14./15./16./17. REMOVAL OF CAMSHAFT BEARING CAPS
1. Loosen the bearing cap installation bolts in two or three steps.




2. Remove the bearing cap.

NOTE: If the bearing cap is difficult to remove. use a plastic hammer to gently tap the rear part of the camshaft. and then remove.

SERVICE POINTS OF INSTALLATION

19. INSTALLATION OF INTAKE CAMSHAFT/18. EXHAUST CAMSHAFT




1. Install the camshafts on the cylinder head.

CAUTION: Be sure not to mistake the intake side and the exhaust side. There are slits for crank angle sensor drive in the rear end of the intake camshaft.






NOTE: Install new camshafts using the following procedure.

1. Remove the rocker arms.
2. Lay the camshafts on the cylinder head and install the bearing caps.
3. Check that the camshaft can be easily turned by hand.
4. After checking, remove the bearing caps and the camshafts. and install the rocker arms.




2. The camshaft's dowel pins should be at the positions shown in the figure.

17./16./15./14. INSTALLATION OF CAMSHAFT BEARING CAPS
Tighten the bearing cap installation bolts to the specified torque in two or three steps.

CAUTION: Tighten uniformly, otherwise the rocker arms will not be straight.




13. INSTALLATION OF CAMSHAFT OIL SEALS
Using the special tool, press in the oil seal as shown in the figure.




10. INSTALLATION OF THE CRANKSHAFT ANGLE SENSOR
1. Align the mating mark (punch mark) on the housing of the crank angle sensor with the mating mark (notch) in the plate.
2. Install the crank angle sensor to the engine.

CAUTION: When tightening the nut of the crankshaft angle sensor, make sure that the crank angle sensor does not turn.

3. Check that the ignition timing is set at the standard value.