9-5 Sport Wagon (9600) L4-2.3L Turbo (B235) (2003)
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Remove the camshaft bearing caps, camshafts, tappets, valve springs, valves and valve seals.
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Refit the bearing caps loosely.
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Place the cylinder head with components (but not the tappets) in an appropriate cleaning solution long enough to fully remove all
contamination.
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Blow out all passages and cavities. Check that all contamination has been removed. Any residue must be removed with a stiff brush.
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Fit the valve mechanism with new valve seals and camshaft bearing caps. Depending on the condition of the valves, it may be necessary to
grind them in with grinding compound before fitting.
