Camshaft: Service and Repair

REMOVAL AND INSTALLATION

Removal Service Points
[A] Intake Camshaft Sprocket/Exhaust Camshaft Sprocket Removal





Use the special tool not to let the camshaft sprockets turn.

[B] Camshaft Bearing Cap Removal





Loosen the camshaft bearing cap attaching fasteners in sequence shown in the figure (one camshaft at a time).

[C] Intake Camshaft/Exhaust Camshaft Removal
Identify the camshafts before removing from the head. The camshafts are not interchangeable.

Installation Service Points
]A[ Camshaft Oil Seal Installation
1. Insert a piece of wood between a garage jack and the engine oil pan, and jack up the engine to set the special tool.





2. Install the camshaft seal into the cylinder head using the special tool until it is flush with the head.

]B[ Camshaft Bearing Cap Installation





Install the camshaft bearing caps in the order shown in the illustration.

]C[ Exhaust Camshaft Sprocket/Intake Camshaft Sprocket Installation





Use the special tool to stop the camshaft from turning, and then install the intake and exhaust camshaft sprockets.

]D[ Cylinder Head Cover Installation





Install the cylinder head cover assembly to the head and tighten fasteners in sequence shown in figure. Tighten all fasteners according to the 3-step torque method.
1. Tighten to 4.5 Nm (3.3 ft. lbs.).
2. Tighten to 9.0 Nm (6.6 ft. lbs.).
3. Tighten to 12 Nm (8.9 ft. lbs.).