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Home >> Saab >> 1973 >> 95 Standard Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Exhaust Emission Systems >> Testing >> Thermostatically Controlled Air Cleaner

Thermostatically Controlled Air Cleaner

  1. Remove front hose. With valve assembly in position, engine cold, and an ambient temperature (in engine compartment) of 85°F or less, flap valve should be in forward position shutting off cold air intake.
  2. Start engine and run at fast idle for 2-6 minutes. When ambient temperature (under hood temperature) reaches 95-105°F, plate will move towards back position and completely shut off hot air intake.
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