Engines are supplied with either an aluminium rocker cover (A) or with rocker covers made of a composite
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material (B). The aluminium cover on some engines, has a dust seal which is fitted between the rocker cover
and the induction manifold. The dust seal of the composite rocker cover is fitted permanently to the side of the
rocker cover with adhesive.
1 Disconnect the breather pipe.
2 Remove the cap nuts (A2/B2) together with the steel washers (B3) and the shim washers (B4) from the top
of the rocker cover.
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3 Lift off the rocker cover and the joint (B6). For aluminium covers, remove the rocker cover dust seal (A1/B7).
Caution: When the rocker cover is fitted, the cap nuts are tightened onto the nuts of the rocker brackets.
During removal of the cap nuts, it is possible to loosen the nuts of the rocker brackets. The nuts of the rocker
brackets should be tightened to the correct torque every time the cover is removed.
