S6 Quattro Sedan V10-5.2L (BXA) (2007)
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Place a new gasket - 3 - onto the rear of the chain tensioner - 1 -.
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Insert chain tensioner in left cylinder head and position camshaft timing chain according to mark applied during removal, as shown in illustration.
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Tighten bolts - 1 - and - 2 -.
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Insert chain tensioner in right cylinder head and position camshaft timing chain according to mark applied during removal, as shown in illustration.
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Tighten bolts - 1 - and - 2 -.
Further installation is in reverse order of removal, note the following: