Removal

1. Disconnect battery ground cable.
2. Disconnect breather hose and secondary air hose.
3. Remove air cleaner and the timing belt cover.

Fig. 9 Camshaft timing marks. 1500cc engine:

4. Rotate crankshaft in normal direction of rotation to bring No. 1 cylinder to top dead center compression stroke. The No. 1 cylinder is at top dead center compression stroke when the mark on the upper timing under cover is aligned with the mark on the camshaft sprocket, Fig. 9.
5. Move timing belt tensioner fully toward the water pump assembly and temporarily secure it.
6. Remove camshaft sprocket attaching bolt, then detach sprocket from camshaft with timing belt attached. Position camshaft sprocket on lower belt cover or suspend sprocket and belt from hood to maintain proper timing alignment. Do not rotate crankshaft after removing sprocket from camshaft.
7. Remove rocker cover, and note position of camshaft.
8. Remove rocker shaft assembly and cylinder head rear cover.
9. Remove camshaft thrust case tightening bolt, thrust case and camshaft. Remove assembly toward transaxle side of cylinder head.