Checking Pressures - CITROEN Saxo 2003 Handbook

CHECKING THE EFFICIENCY OF THE AIR CONDITIONING SYSTEM
TOOLS - 1 charging station.
Once the preliminary conditions, vehicle equipment and checks
have been fulfilled (see table) : After the air conditioning has been
on for three minutes, record the following parameters :
Ambient temperature in °C
High pressure (Bars)
Low pressure (Bars)
High pressure (Bars)
Low pressure (Bars)
High pressure (Bars)
Low pressure (Bars)
High pressure (Bars)
Low pressure (Bars)
High pressure (Bars)
Low pressure (Bars)
High pressure (Bars)
Low pressure (Bars)
PICASSO
High pressure (Bars)
Low pressure (Bars)

CHECKING PRESSURES

- 2 thermometers.
Engines
Vehicles
20 ± 3
All types
SAXO
14.5 ± 2
C3
All types
23 ± 2
TU
3.8 ± 0.2
XSARA
EW
4± 0.2
21.5 ± 2
DW
3.2 ± 0.2
25.5 ± 3
TU
EW
XSARA 4 ± 0.3
25 ± 3
DW
4 ± 0.3
CHECK - The temperature of the air coming from the central vents (see table).
- The High Pressure.
Compare the values recorded with the table below, or the graphs.
Vehicle using R134.a fluid (Compressor with variable capacity)
40 35 30
18 ± 3 16 ± 3
17.6 ± 2 20 ± 2
2.4 ± 0.2 2.5 ± 0.2
22.5 ± 2 20 ± 2
3.6 ± 0.2 3.5 ± 0.2
24.5 ± 2 21.5 ± 2
3.8 ± 0.2 3.5 ± 0.2
22.5 ± 2 20 ± 2
3.3 ± 0.2 3 ± 0.2
20.5 ± 3 18 ± 3
3.5 ± 0.3
22.5 ± 3
3.5 ± 0.3
461
ALL TYPES
- The Low Pressure.
25 20
13 ± 3 11 ± 3
3 ± 0.3
21.4 ± 2 23.6 ± 2
2.8 ± 0.2 3 ± .02
17 ± 2 15.5 ± 2
3.1 ± 0.2 3 ± 0.2
18.5 ± 2 17 ± 2
3.2 ± 0.2 3 ± 0.2
18 ± 2 16.5 ± 2
2.8 ± 0.2 2.6 ± 0.2
20 ± 3 13.5 ± 3
3 ± 0.3
20 ± 3 17 ± 3
3 ± 0.3
15
9 ± 3
25.2 ± 2
3.5 ± .02
14.5 ± 2
2.9 ± 0.2
15.5 ± 2
15.6 ± 2
11 ± 3
15 ± 3