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Rocker Arm Assembly: Service and Repair





VALVE ROCKER ASSEMBLY

REMOVAL
1) Remove the V-belts.
2) Remove the crank pulley.
3) Remove the timing belt cover.
4) Remove the timing belt.
5) Remove the cam sprocket.
6) Disconnect the PCV hose and remove the rocker cover.
7) Removal of valve rocker assembly





(1) Remove the bolts (a) through (h) in alphabetical sequence.

NOTE: Leave two or three threads of bolts (9) and (h) engaged in order to retain the valve rocker assembly.





(2) Remove the valve rocker assembly.

INSTALLATION
1) Install the valve rocker assembly.
(1) Temporarily tighten the bolts (a) through (d) equally in order as shown in the figure.

NOTE: Do not allow the valve rocker assembly to damage knock pins.

(2) Tighten the bolts (e) through (h) to specified torque.





(3) Tighten the bolts (a) through (d) to specified torque.
Tightening torque: 25 Nm (2.5 kgf-m, 18.1 ft. lbs.)
2) Adjust the valve clearance.
3) Install the rocker cover, rocker cover gasket and connect PCV hose.

NOTE: Use new rocker cover gasket.

4) Install the cam sprocket.
5) Install the timing belt.
6) Install the timing belt cover.
7) Install the crank pulley.
8) Install the V-belts.

DISASSEMBLY
1) Remove the bolts which secure the rocker shaft.
2) Extract the rocker shaft. Remove the valve rocker arms, springs and shaft supports from rocker shaft.

NOTE: Keep all the removed parts in order for re-installing in their original positions.

3) Remove the nut and adjusting screw from valve rocker.

ASSEMBLY
1) Install the adjusting screw and nut to valve rocker.
2) Arrange the valve rocker arms, springs and shaft supports in assembly order, and then insert the valve rocker shaft.
Tightening torque (Shaft supports installing bolts): 5 Nm (0.5 kgf-m, 3.6 ft. lbs.)

NOTE: Valve rocker arms, rocker shaft and shaft supports have identification marks. Ensure the parts with same markings are properly assembled.

3) Install the valve rocker shaft securing bolts.

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