Chrysler PT Cruiser Service & Repair Manual page 1956

24 - 50 HEATING & AIR COND. - LHD
SUCTION LINE
DESCRIPTION
Fig. 65 A/C Refrigerant Lines - Compressor
1 - LIQUID LINE
2 - SUCTION LINE
3 - COMPRESSOR
4 - DISCHARGE LINE
5 - HIGH SIDE SERVICE PORT
The refrigerant lines and hoses (Fig. 65), (Fig. 66)
and (Fig. 67) are used to carry the refrigerant
between the various air conditioning system compo-
nents. A barrier hose design with a nylon tube, which
is sandwiched between rubber layers, is used for the
R-134a air conditioning system on this vehicle. This
nylon tube helps to further contain the R-134a refrig-
erant, which has a smaller molecular structure than
R-12 refrigerant. The ends of the refrigerant hoses
are made from lightweight aluminum or steel, and
commonly use braze-less fittings.
Any kinks or sharp bends in the refrigerant plumb-
ing will reduce the capacity of the entire air condi-
tioning system. Kinks and sharp bends reduce the
flow of refrigerant in the system. A good rule for the
flexible hose refrigerant lines is to keep the radius of
all bends at least ten times the diameter of the hose.
In addition, the flexible hose refrigerant lines should
be routed so they are at least 80 millimeters (3
inches) from the exhaust manifold.
Fig. 66 A/C Refrigerant Lines - Condenser
1 - CONDENSER
2 - LIQUID LINE
3 - DISCHARGE LINE
4 - COOLING MODULE
Fig. 67 A/C Refrigerant Lines - Accumulator/
Evaporator
1 - MID-LINE CONNECTOR BLOCK
2 - SUCTION & LIQUID LINE ASSEMBLY
3 - EVAPORATOR
4 - ACCUMULATOR
5 - SUCTION LINE
6 - LIQUID LINE
PT