Odour From The Heating And Air Conditioning Unit - Skoda Citigo 2012 Workshop Manual

Citigo 2012 ➤ , Fabia 2000 ➤ , Fabia II 2007 ➤ , Fabia II 2009 ➤ , Fab ...
Air conditioning system with refrigerant R134a - Edition 10.2014
After 5 minutes, the temperature of the air flow from the vents
must be within the tolerance (see diagram) depending on the am‐
bient temperature.
A - Temperature of the air flow from the vents
B - Ambient temperature
C - Permissible tolerance range
Note
When measuring, the ⇒ Vehicle diagnostic tester, function - cool‐
ing capacity of the air conditioning system (Climatronic) or in the
measured value block - temperature in the vent outlets, can also
be used (not valid for manual air-conditioning unit).
8.3 Odour from the heating and air condi‐
tioning unit
⇒ "8.3.1 Possible odours coming from the heating and air condi‐
tioning unit", page 68
⇒ "8.3.2 Spray evaporator with compressed air pistol VAG 1538
with spray nozzle", page 69
⇒ "8.3.3 Ultrasonic air conditioning system cleaning device VAS
6189B ", page 69
8.3.1 Possible odours coming from the heat‐
ing and air conditioning unit
♦ Fishy odour
– Due to leaktightness at the cooling system of the engine or the
heat exchanger in the heating and air conditioning unit.
Note
If a weak fishy odour can be detected when the temperature is
set to "cold" or a stronger odour occurs when the temperature is
set to "warm", check the heat exchanger for leaktightness.
♦ Odours after the clutch is burnt
♦ Evaporations from footmats, subsequently fitted protective
seat covers etc.
♦ Foul, mouldy odour
– Due to accumulation and deposit of leaves, tree needles, etc.
in the plenum chamber.
Note
Clean plenum chamber.
– Use water which cannot drain out the plenum chamber.
Note
Check water drainage openings in plenum chamber.
68
Rep. gr.00 - Technical data