S5 Quattro Coupe V8-4.2L (CAUA) (2009)
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Loosen the bolt - C -.
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Loosen or remove the bolt - F - (installed beginning 07.2007, different versions).
‹› At the start of production, A/C units were installed, where the left and right side of the radiator housing - D - and - E - were bolted together on the
underside with the bolt - C -. Beginning July, 2007 as a running change, A/C units are being installed, where both radiator housings - D - and - E -
are bolted together with the bolt - F -.
‹› From July, 2007 through September, 2007, bolt - F - with the hexagon nut - G - is installed on the left radiator housing - D - (there is no bolt point
in the radiator housing - D - but rather just a hole). To remove and install the bolt - F - and the nut - G - on this control motor version, the
Temperature Regulator Door Motor (V68) or the Rear Temperature Door Motor (V137) must be removed. Refer to => [ Temperature Regulator
Door Motor, Rear Temperature Door Motor ] See: Air Door/Air Door Actuator / Motor/Service and Repair/Removal and Replacement.
‹› You can place a catch on the holes on the right side of the radiator housing - E - which will prevent the bolt - C - (and the bolt - F -) from falling in
the hole after being loosened.
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Carefully disconnect the connector rod - A - (so the lever does not get damaged) from the lever on the defrost door - B -.