RS 4 Quattro Cabriolet V8-4.2L (BNS) (2008)
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‹› Ignore - 2 -.
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Remove left front exhaust pipe/exhaust manifold nuts - arrows -.
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Remove front exhaust pipe with pre- and main catalytic converters.
Installing
Installation is in reverse order of removal, note the following:
‹› Replace self-locking nuts.
‹› During installation, reinstall all heat insulation sleeves and heat shields at the same locations.
‹› During installation, all cable ties must be re-installed at the same location.
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Tighten front exhaust pipe/exhaust manifold threaded connection nuts - arrows - evenly in stages while aligning main catalytic converter
horizontally.