1992 Buick Roadmaster BaseFACTORY OEM SERVICE PROCEDURE

Ignition Switch

CAUTION: New ignition switch is pinned in OFF-LOCK position. Plastic pin must be removed before operating switch.
  1. Set key lock cylinder in OFF-LOCK position. On fixed column, set ignition switch slider (where actuator rod connects to switch) to OFF-LOCK position by moving slider as far left as possible, and then one detent to right. See Fig 1 .
  2. On tilt column, set ignition switch slider (where actuator rod connects to switch) to OFF-LOCK position by moving slider to right as far as possible, and then one detent to left. See Fig 1 .
  3. Install switch. Tighten switch screws to 35 INCH lbs. (4 N.m). Ensure ignition switch functions properly with lock cylinder in all positions.
Fig 1: Adjusting Ignition Switch
G92G04478Courtesy 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.