Withdrawal
1. Remove the top plastic engine cover (where available), then disconnect the crankcase breather hose and oil separator hoses from the camshaft cover (engines 1T) (see illustration) or bypass valve (3D engine). On 1T engines, the bypass valve is mounted in the camshaft cover. If necessary, on AAS engines, remove the bypass valve and rubber o-ring from the cover.
2. Remove the plugs (where there are), then loosen and remove the three camshaft cover mounting nuts and remove the seals and flange bushings (see illustrations).
3. Lift the cover off the cylinder head (see illustration). If this fails, do not wring the cover away from the block, instead go around it by tapping lightly with a mallet.
4. Remove the camshaft cover gasket. Carefully inspect the gasket and replace it if it is dirty or damaged (see illustration).
5. Thoroughly clean the contact surfaces of the cylinder head and camshaft cover, removing all traces of oil and the old gasket. Be careful not to damage surfaces.
Installation
6. Install the camshaft cover in the reverse order of removal, paying attention to the following:
a) Make sure the gasket is properly seated on the cylinder head and take care not to dislodge it when installing the camshaft cover.
b) Tighten the camshaft cover mounting nuts to the specified torque.
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