Porsche 928 - WORKSHOP MANUAL 1977 Workshop Manual page 383

928
Air Condirioner
87
-
7. Unscrew cover for tread plate in firewall. Pull
am vacuum hoses and heater hoses from tread
plate. Llnscrew holder for heater hose.
9. Guide large diameter sucrioll line through
opening in firewall with connection end
facing expansion valve and then position
between engine and righr wheel housing.
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8. L'nscrew front rigbr radiator hose. Disconnect
plug and plus terminal. Ilnscrew TCI control
unit. Detach coolant Ihose ar l-adapter under-
neath cross member. Remove heater pipe with
hearer hose at firewall.
10. Route pressure line in the same manner, wberc-
by pressure line is mounred ahove sortion line.
11. Inserr tread plate behind firewall above both
lines,
12. Connect lines on expansion valve. Hold ex-
pansion valve when tightening lines.
Printed in Germany - 111, 1919
Service Installing Air Conditioner
81 53