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Home >> Audi >> 2009 >> Q7 4.2 >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating, Ventilation & Air Conditioning >> 87 Air Conditioning >> Removal And Installation >> Refrigerant Circuit Components >> Condenser Refrigerant Lines, Disconnecting And Connecting

Condenser Refrigerant Lines, Disconnecting And Connecting

NOTE:

Different versions of the condenser are available depending on the vehicle version.

Remove the refrigerant lines

-- Discharge the refrigerant circuit. Refer to OPERATING AFTER FILLING REFRIGERANT CIRCUIT 

-- If necessary, remove noise insulation. Refer to NOISE INSULATION, REMOVING AND INSTALLING and components which may obstruct access to the connections on condenser (depending on vehicle).

-- Remove bolts -A- (tightening torque 20 Nm).

Fig 1: Refrigerant Lines -D- And -E-
GWWA87-10224Courtesy of AUDI OF AMERICA, LLC

-- Disconnect refrigerant lines -D- and -E- from condenser.

NOTE:

Seal open pipes and connections at condenser with suitable caps (to prevent dirt and moisture from entering).

Do not bend, kink or stretch lines or hoses as refrigerant lines and refrigerant hoses may be damaged.

Install the refrigerant lines

Installation is carried out in the reverse order while noting the following:

-- Replace O-ring seals -B- and -C-.

NOTE:

Coat the O-ring seals lightly with refrigerant oil prior to installation, refer to REFRIGERANT CIRCUIT O-RINGS .

-- Following attachment, check routing of refrigerant pipes. They must be inserted in holders provided and not make contact with other components.

-- Evacuate and re-charge refrigerant circuit. Refer to OPERATING AFTER FILLING REFRIGERANT CIRCUIT  .

-- Operate the A/C system after filling the refrigerant circuit, refer to OPERATING AFTER FILLING REFRIGERANT CIRCUIT .

NOTE:

Note the information regarding operating the A/C system after filling in OPERATING AFTER FILLING REFRIGERANT CIRCUIT  .