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Fox 1.8L Digifant II (Federal)

  1. Disconnect vacuum hose from temperature regulator (located on upper air filter housing). Separate upper and lower air filter housings.
  2. Remove air filter and position upper housing over fender. Check position of regulator flap in lower housing. Flap must be open to cold air intake.
  3. Connect hand-held vacuum pump to control valve vacuum motor. Control flap must close cold air intake.
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