240 L4-2127cc 2.1L SOHC Turbo B21FT FI (1982)
Thermostatic Air Cleaner: Service and Repair
Fig. 149 THERMOSTATIC AIR CONTROL VALVE
(all except B21F engine with K-JETRONIC fuel injection)
If the thermostat is defective, you must replace the complete shutter housing and thermostat as a unit. Fig. 149.