Idle Vent

1963 Buick LeSabre Not Available, Eng CD JR, Automatic TransSECTION Idle Vent
NOTE: Idle vent is not used on all carburetor models.

Adjust after accelerating pump rod has been adjusted. Set "T" scale to proper dimension (see "Specification TableΒ ") and place scale in position shown in illustration. Slowly open throttle valves to the point where rubber vent valve just closes on seat. Lower edge of gauge leg should just touch top of pump rod. To adjust bend tang on pump lever.

Fig 1: IDLE VENT ADJUSTMENT
G09353146Courtesy of GENERAL MOTORS COMPANY
RENDER: 1.0x

NO RELATED

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
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  • β€’ You are not confident in the next step or safety outcome.