1989 Geo Tracker Base, AutomaticFACTORY OEM SERVICE PROCEDURE

Secondary Touch Angle

Clearance should be checked at primary throttle valve to bore when secondary throttle valve starts to open. Clearance should be .23" (5.8 mm). Adjust by bending throttle adjusting arm. See Fig 1 .

Fig 1: Adjusting Secondary Touch Angle
G121752Courtesy of GENERAL MOTORS CORP.
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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.