90 Quattro 20V L5-2309cc 2.3L DOHC (7A) (1990)
Heater/Evaporator Connections
13. Remove nuts A on firewall.
14. Remove vacuum hose from two way valve.
15. Remove water drain hose from heater/evaporator housing.
Fuel Injection Control Unit
16. Remove fuel injection control unit (see arrow).
17. Remove heater/evaporator housing.