Tools Required
| • | EN-47614 (DW110-160) Rocker Arm Shaft Installer/Remover |
| • | EN 46569 (09916-14510 Valve Spring Compressor |
| • | EN 47518 (09916-48210 Valve Spring Compressor Attachment |
Assembly Procedure
- Install the intake and exhaust valves, valve spring retainer, valve spring, valve key, and valve stem using the EN 46569 and the EN 47518 .
- Make sure the correct positions for the intake and exhaust valves. The diameter of the intake valves (a) is larger than the diameter of the exhaust valves (b).
- Install the rocker arms.
- Install the rocker arm shafts using the EN-47614 .
- Apply the sealant to the rocker arm shaft plugs.
- Install the rocker arm shaft plugs.
- Position the intake and exhaust camshafts.
- Install the camshaft caps in the sequence shown.
- Tighten the camshaft cap bolts in the sequence shown.
- Install the cam sprockets.
- Install the cylinder head. Refer to Cylinder Head Replacement .
Notice: Use extreme care when removing the cylinder head to prevent any engine oil , dirt, or coolant from entering the engine. Damage to the engine could result.
Important: The front rocker arm shaft which will be installed to the timing chain side can be identified by the hole for the rocker arm spring.
Notice: Refer to Fastener Notice in the Preface section.
Tighten
Tighten the rocker arm shaft plug to 40 N·m (30 lb ft).
Important: The intake camshaft can be identified by the groove near the cam sprocket flange. The exhaust camshaft has no groove.
Important: Make sure the engraved position numbers on the camshaft caps are not mixed up. Camshaft caps should follow the numeric order when installing, intake camshaft caps 1-3-5-7-9-11-13 and exhaust camshaft caps 2-4-6-8-10-12-14.
Tighten
Tighten the camshaft cap bolts to 12 N·m (106 lb in).
Tighten
Tighten the cam sprocket bolts to 20 N·m (15 lb ft).
Important: Intake and exhaust cam sprockets are identified by the engraved marks, IN for intake and EX for exhaust, respectively.
