Saab 900 Service Manual page 67

Heating and ventilation system, air conditioning system 854-55
Replacing the expansion valve Cycling
clutch system, as from the 1980 models
1 Discharge the refrigerant from the system.
Release the high-pressure pipe connection
at the expansion valve.
2 Fold away the black insulating material. As
from the 1984 model, remove the protective
cover.
3 Remove the compensating hose from the
outlet hose.
4 Remove the two self-tapping screws holding
the expansion valve capillary tube mounting
and bend it out of the way.
5 Remove the inlet hose from the expansion
valve.
Refit in the reverse order. Lubricate the coupl-
ings with refrigeration oil.
For particu lars of the tightening torques, see the
"Technical specification".
Always use a restraining tool when releasing and
tightening the coupl ings. Charge the system with
refrigerant.
I
Expansion valve as from the 1981 models
Saab 900