Astra L4-1.8L (2009)
4. Remove the rear floor air dust rear footwell (1).
5. Remove the brace, instrument panel (I/P) padding.
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Remove the left brace (3) when replacing the left air duct for footwell.
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Remove the 4 bolts.
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Remove the right brace when replacing the right (2) air duct for footwell.
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Remove the 2 bolts.
6. Detach and lift the floor covering at front in area or rear air duct for footwell.