Greater Opportunities for the Perfect Airconditioning

This series of articles gives you
the opportunity to share technical knowledge and years of experience in engine
cooling and air conditioning systems for cars offers expert advice to help you
deliver better and more professional service to your customers.

Air Conditioning Parts

Evaporator The air conditioning
circuit (A / C) transmits energy from the interior air to the outside. The
result is cooled air entering the cabin, which reduces the temperature inside,
thus increasing comfort for passengers. FromEurohub Aircon
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The part that chills the air
before entering the interior space is the heat exchanger by the so-called
evaporator. There are two groups of heat exchangers in the A / C circuit:
capacitors and evaporators. The names of these parts are based on the physical
transformation processes of the gas in the circuit. In the condenser there is a
process of condensation of the medium from gas to liquid. There is an inverse
process in the evaporator, i.e.

Evaporation of pressurized liquefied gas flowing through the circuit

The evaporative gas absorbs the
energy from the incoming air through the aluminum walls of the evaporator and
cools it. The evaporator is a part of the A / C circuit that
“delivers” the cooled air directly to us. On the other hand, this
part of the A / C circuit is hidden from the passenger because it is usually
deep beneath the dashboard of the car, which complicates after-sales service
and repair.

The repair requires that the
evaporator be replaced by a new one, which is complicated and time-consuming.
To get to the evaporator, we have to remove the dashboard, and the mechanic has
to be careful not to damage any plastic parts or lose them. At the same time,
numbering all assembly parts for reassembly of the dashboard (damage to any
part, of course, increases the cost of repairing the need to purchase a new
part). From the good at aircon servicing singapore
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After removing the instrument
panel, you can see parts of the A / C circuit including the evaporator, but
also the heater. Heating is part of the engine cooling system, so it is
necessary to drain the coolant when removing the entire cassette assembly. Of
course, it is also necessary to dismantle the E / C connection to the heater,
the A / C connection to the evaporator and several electrical plugs.

  • Subsequently, the mechanic can remove the entire
    cassette assembly and remove the evaporator.
  • The oil spills in photo 7 confirm the evaporator
    leak, because with the cooling gas circulating around the compressor
    lubrication circuit.

After refitting the dashboard and
other parts, the engine cooling system must be filled with a new coolant, and
the engine cooling circuit tightness must be checked. Also, the A / C circuit
must be filled with the correct amount of media and its tightness checked.
Finally, you need to verify that the air conditioning system is working