Audi Q5: A/C System Repair Information
- Air conditioning systems designed for refrigerant R12 are
only to be filled with refrigerant R134a if certain requirements
are fulfilled. Refer to
→ Chapter "Refrigerant Circuit, Converting R12 to R134a and
Servicing" and Repair manual: Air Conditioner with
R12 Parts 2 and 3. This repair manual is only available in hard
copy.
- The refrigerant oils specifically developed for R134a and
R12 refrigerant circuits are never to be mixed.
- Service stations which come in contact with the refrigerant
are only to be used for the intended refrigerant.
- Components of R134a refrigerant circuits can be identified
by their markings, green labels or design (such as different
threads) to prevent interchanging with components designed for
refrigerant R12.
- A label indicating the refrigerant used is provided in the
engine compartment on the lock carrier or in the plenum chamber.
- Different refrigerants are never to be mixed.
Note
When working on the refrigerant circuit, always heed the
information given in the sections on "Safety measures". Refer to
→ Chapter "A/C System and Refrigerant R134a Safety Precautions"
and "Basic rules for working on refrigerant circuit"
→ Chapter "Refrigerant Circuit, General Precautions".
Refrigerant Circuit, Converting R12 to R134a
CFC refrigerants are no longer used in the automotive
industry.
Converting refrigerant circuits from R12 refrigerant to
R134a refrigerant and servicing converted circuits
Refer to Repair Manual: Air Conditioner with Refrigerant R12
Parts 2 and 3 (This repair manual is only available in printed
form).
READ NEXT:
Vehicles with a high-voltage system (hybrid vehicles)
Extremely Dangerous Due to High-Voltage
The high-voltage system is under high-voltage. Death or serious
bodily injury by electric shock.
- I
Observe the following with regard to service station
operation. Refer to the Parts Catalog (Tools; Special Tools and
Equipment: A/C and Heating).
- The filters and dryers installed must be repl
SEE MORE:
Note
The wires between the seat pan and the connector station are
inside a double-shell corrugated tube in the so-called modulate
wiring routing.
Special tools and workshop equipment
required
Trim Removal Wedge -3409-
Opening the corrugated tube and removing the individual wire
 
Driving with о trailer always requires extra care
and consideration.
To obtain the best possible handling of vehicle
and trailer, please note the following:
Do not tow a loaded trailer when your car itself
is not loaded.
Be especially careful when passing other
vehicles.
Observe speed limits.