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Home >> Audi >> 2012 >> A7 Quattro Sportback (4GA) V6-3.0L SC (CGXB) >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Exhaust System >> System Specifications
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System Specifications






Fastener Tightening Specifications






Left Exhaust Manifold, Tightening Specifications and Sequence

• Replace the nuts.

• Coat the thread on the nut with hot bolt paste; for the correct hot bolt paste, refer to the Parts Catalog.

- Tighten the nuts in 3 steps according to the tightening sequence:











Right Exhaust Manifold, Tightening Specifications and Sequence

• Replace the nuts.

• Coat the thread on the nut with hot bolt paste; for the correct hot bolt paste, refer to the Parts Catalog.

- Tighten the nuts in 3 steps according to the tightening sequence:











Secondary Air Combination Valve Heat Shield - Tightening Specification






- Tighten the heat shield bolts - arrows - - 1 - to 9 Nm.

Secondary Air Combination Valve Heat Shield - Tightening Specification






- Tighten the heat shield bolts - arrows - - 1 - to 9 Nm.

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