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Home >> Volkswagen >> 1973 >> Squareback Eng CD T, Standard Trans >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> VOLKSWAGEN Engines - (4 Cylinder) >> Engine Cooling >> Air Control Ring Adjustment >> Adjustment With Engine in Vehicle

Adjustment With Engine in Vehicle

Disconnect return spring and release air control ring actuating lever. Warm engine until top of thermostat touches top of bracket. Adjust ring until it opens 1 - 11/2 inches. Tighten actuating lever and connect return spring.