Q5 Quattro V6-3.2L (CALB) (2009)
Hose/Line HVAC: Service and Repair
Refrigerant Lines with Inner Heat Exchanger
Refrigerant Lines with Inner Heat Exchanger
Special tools, testers and auxiliary items required
‹› Release tool for air conditioner couplings (T40149 )
Removing
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Switch off ignition.
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Drain the refrigerant circuit. Refer to => Refrigerant R134a - Servicing.
‹› Depending on the allocation of the service connection an on the refrigerant line, and on the version of the vehicle, it may be necessary to remove
the additional reinforcement on the left strut dome so that the service coupling of the service station can be connected (for example, on the Audi
Q5). Refer to and => Refrigerant 134a - Servicing.
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Remove the refrigerant line from the quick acting couplings. Refer to => [ Refrigerant Line Quick Release Couplings, Disconnecting and
Connecting ] See: Heating and Air Conditioning/Coupler HVAC/Service and Repair/Refrigerant Line Quick Release Couplings, Disconnecting
and Connecting.
‹› Close all open lines and connections on the refrigerant line with suitable caps (avoid dirt and moisture from entering the system).
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Loosen the plenum chamber front wall - A - from the vehicle.
‹› On vehicles with a gas engines, both coolant hoses are routed to the heat exchanger through the plenum chamber front wall - A -. On these
vehicles, loosen the grommet on both coolant hoses and move the plenum chamber front wall to the side (when doing this, the refrigerant circuit
must not be opened).
‹› When loosening the plenum chamber front wall, be careful not to damage the brake booster vacuum line.
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Disengage the catches - arrows A - and remove the upper part of the line pass through - 2 - upward - arrow B -.