Camshaft and Rocker Arm

Part 1 Of 2:

Part 2 Of 2:

REMOVAL
1. Remove front upper timing belt cover.
2. Follow removal procedure outlined in illustration, noting the following:





3. Use a wrench at the hexagonal part of the camshaft (to prevent the crankshaft from turning) to loosen the camshaft sprocket bolt.
4. Remove the camshaft sprockets.
5. Loosen the bearing cap installation bolts in two or three steps.





6. 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.

INSTALLATION
1. Follow removal procedure in reverse order, noting the following.
2. Perform engine adjustment. Refer to Powertrain Management.
3. Install the camshafts on the cylinder head.





CAUTION: Do not confuse the intake side and the exhaust side

NOTE: Install new camshafts using the following procedure.

a. Remove the rocker arms.
b. Lay the camshafts on the cylinder head and install the bearing caps.





c. Check that the camshaft can be easily turned by hand.
d. After checking, remove the bearing caps and the camshafts, and install the rocker arms.





4. The camshafts dowel pins sold be at the positions shown in the figure.
5. In two or three steps, tighten the bearing cap bolts to 19 - 21 Nm (14 - 15 ft. lbs.).

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





6. Use the camshaft oil seal installer tool No. MB998713, or equivalent, to drive the camshaft oil seal into position carefully.





7. Install the camshaft position sensing cylinder to the end of the camshaft as shown in the illustration.
8. Install the camshaft position sensor support.





9. Check that the identification paint on the camshaft position sensing cylinder is pointing in the same direction as the camshaft position sensor installation direction when the camshaft is at the No. 1 compression TDC position.