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Home >> Audi >> 2011 >> Q5 3.2 >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating, Ventilation & Air Conditioning (2 Of 2) (As Of 06.2014) >> 87 Air Conditioning >> Front Heater And A/C Unit >> Left Radiator Housing With Temperature Doors, Removing And Installing >> Removing

Left Radiator Housing With Temperature Doors, Removing And Installing: Removing

-- Turn on the ignition.

-- Move the driver seat as far back as possible.

-- Turn off the ignition.

-- Remove the storage compartment under the instrument panel on the driver side. Refer to DRIVER SIDE INSTRUMENT PANEL COVER, REMOVING AND INSTALLING .

-- Remove the left footwell vent (driver side). Refer to DRIVER SIDE FOOTWELL VENT, REMOVING AND INSTALLING .

-- Remove the steering column. Refer to STEERING COLUMN, REMOVING AND INSTALLING .

-- Remove the pedal assembly and the accelerator pedal module. Refer to MOUNTING BRACKET, REMOVING AND INSTALLING and OVERVIEW - ACCELERATOR PEDAL MECHANISM for CHJA, CTUC, CAEB, CPMB, CPMA and CTUD, or ACCELERATOR PEDAL MECHANISM for CPNB .

-- On a vehicle equipped with the "Convenience" A/C system, remove the retaining plate together with the Left Footwell Door Motor -V108- and the Left Center Vent Motor -V110- as well as the Left Temperature Door Motor -V158-. Refer to LEFT RETAINING PLATE WITH Left Footwell Door Motor -V108- AND Left Center Vent Motor -V110-, REMOVING AND INSTALLING  and Left Temperature Door Motor -V158-, REMOVING AND INSTALLING .

-- On a vehicle equipped with the "Basis" A/C system, remove the retaining plate together with the Footwell Door Motor -V261-. Refer to LEFT RETAINING PLATE WITH Footwell Door Motor -V261-, REMOVING AND INSTALLING .

-- Remove the glove compartment. Refer to GLOVE COMPARTMENT, REMOVING AND INSTALLING .

-- Remove the right footwell vent (front passenger side). Refer to FRONT PASSENGER SIDE FOOTWELL VENT, REMOVING AND INSTALLING .

-- Carefully disconnect the connector rod -B- (so the lever does not get damaged) from the lever on the right temperature door -A-.

Fig 1: Disconnecting Connector From Lever On Right Temperature Door
GWWA87-10508Courtesy of AUDI OF AMERICA, LLC

-- Loosen the bolt -C-.

-- Loosen or remove the bolt -F- (installed from 07/2007, there are different versions).

Fig 2: Identifying Bolts -C- And -F-
GWWA87-10592Courtesy of AUDI OF AMERICA, LLC
NOTE:

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-. From 07/2007 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 07/2007 through 09/2007, the bolt -F- with the hex nut -G- was installed on the left radiator housing -D-. The left radiator housing -D- only has a hole and not an attaching point. To remove and install the bolt -F- and the hex nut -G- on this actuator version, the Temperature Regulator Door Motor -V68- or the Rear Temperature Door Motor -V137- must be removed. Refer to Temperature Regulator Door Motor -V68- /Rear Temperature Door Motor -V137-, REMOVING AND INSTALLING .

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.

-- Carefully disconnect the connector rod -A- (so the lever does not get damaged) from the lever on the defrost door -B-.

Fig 3: Disconnecting Connector Rod From Lever On Defrost Door
GWWA87-10509Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolt -C-.

-- Remove the left radiator housing -D- (together with the Defroster Door Motor -V107- and Temperature Regulator Door Motor -V68- or the Rear Temperature Door Motor -V137-) from the A/C unit; when doing this, pay attention to the lever on the defroster door -B- (and the lever on the door for the left center instrument panel vent -E- on vehicles equipped with the "Convenience") A/C system).