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Choke Unloader

  1. Install rubber band to vacuum break lever of intermediate choke shaft. Open throttle, allowing choke valve to close. Install Angle Gauge (J-26701-A) on choke valve. See Fig 1 .
  2. Adjust angle gauge to specification. See E4MC CARBURETOR SPECIFICATIONS  table. Hold secondary lock-out lever away from pin. See Fig 1 .
  3. Hold throttle lever in wide open position. Note bubble on angle gauge. Adjustment is correct when angle gauge bubble is centered. Using Linkage Adjuster (J-9789-111), adjust fast idle lever to center bubble.
Fig 1: Adjusting Choke Unloader
G54295Courtesy of GENERAL MOTORS CORP.
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