For 1990-2009 cars

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- Inspect the camshaft journals and lobes for wear or scoring.

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- Inspect the camshaft sprocket alignment notch for damage.

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- Inspect the camshaft cover for damage or loose oil control baffles.

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- Clean the camshaft cover.

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- Wash the camshaft in solvent.

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- Oil the camshaft.

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- Inspect the camshaft cover for cracks or other signs of damage.

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- Inspect the valve lifters for scoring where they contact the camshaft.

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- Inspect the camshaft journals and lobes for wear or scoring.

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- Inspect camshaft sprocket alignment notch for damage.

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- Inspect the camshaft cover for damage or loose oil control baffles.

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- Clean the camshaft cover.

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- Wash the camshaft in solvent.

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- Inspect the camshaft cover for cracks or other signs of damage.