S4 Quattro Wagon V8-4.2L (BHF) (2008)
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Disconnect pneumatic hose to backrest bolster inflation adjustment.
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Remove backrest cushion from backrest.
Installing
Installation is reverse of removal.
5
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Pneumatic block
Removing
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Remove backrest cover - 1 -.
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Remove backrest cushion - 4 -.
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Carefully loosen bonding of pneumatic block from backrest.
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Swivel pneumatic block toward front at upper edge.
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Free up electrical wiring harness.
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Remove pneumatic block.
Installing
Installation is reverse of removal.
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If necessary, replace double adhesive tape Parts Catalog.
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Assignment of pneumatic block
6
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Backrest
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Removing and installing
7
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Flap for backrest bolster inflation adjustment
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Disengage
Pry grip channel for backrest cover out of guide
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Starting at bottom, pry grip channel for backrest cover out of guide at backrest, using e.g. an awl - arrow - ; lightly press together backrest cushion
in order to release backrest cover.