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Home >> Volkswagen >> 1982 >> Rabbit Base, 2D Convertible, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Carter-Weber Carburetors - TYF Single Barrel >> Adjustments >> Accelerator Pump
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Accelerator Pump

  1. Remove carburetor air horn. Remove plug from air horn. Remove float, needle, lifting link and metering rod. Reinstall carburetor air horn.
  2. Hold carburetor in vise at idle screw boss. Place dial indicator with 40 mm extension over pump plunger. Measure travel from full closed to full open throttle. Plunger travel should be 0.265" (6.7 mm).
  3. To adjust pump stroke, bend connecting rod at lower bend. Lengthening the rod will increase pump stroke, shortening the rod will decrease pump stroke. Remove carburetor air horn, reinstall float and metering rod.
    NOTE: Metering rod must always be checked and adjusted after adjusting pump stroke.
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