A6 Quattro Sedan V8-4.2L (BVJ) (2007)
Timing chain lower cover tightening sequence
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Replace M6 bolts - 1, 3, 5, 6, 7, 11, 12, 13 - and - arrows -.
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Tighten bolts in 6 stages as follows:
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Insert bolts - arrows - with locking compound and pre-tighten to 5 Nm.
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Tighten bolts - 1 to 13 - in diagonal sequence to 8 Nm.
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Tighten bolts - arrows - to 8 Nm.
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Tighten M8 bolts - 2, 4, 8, 9, 10 - in a diagonal sequence to 22 Nm.
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Turn M6 bolts - 1, 3, 5, 6, 7, 11, 12, 13 - an additional 90° (1/4 turn) in a diagonal sequence.
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Tighten bolts - arrows - an additional 90° (1/4 turn).
