Opening Clearance

1968 Chevrolet Impala 2D Convertible, 5.3L Eng, Not Available TransSECTION Opening Clearance

With choke valve wide open, apply sufficient force to vacuum break lever or thermostat tang to move choke rod to top of slot in choke lever, move air valve in direction of open valve, bend upper end of air valve lockout lever as required to obtain specified opening (see SpecificationsΒ ) between lockout tang and front edge of air valve.

Fig 1: Air Valve Lockout Adjustment
G09353498Courtesy of GENERAL MOTORS COMPANY
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

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.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.