Question about 1985 Cadillac Eldorado

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How do you replace an ignition cylinder in a 1987 Cadillac Eldorado

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  • Cadillac Master
  • 2,984 Answers

Standard Steering Column

  1. Remove the steering wheel.
  2. Remove the lockplate cover assembly.
  3. After compressing the lockplate spring, remove the snapring from the groove in the shaft.
  1. Remove the lockplate, then slide the turn signal cam and the upper bearing preload spring off the upper steering shaft.
  2. Remove the thrust washer from the shaft.
  3. Remove the hazard warning switch from the column along with the turn signal lever.
  4. Use the following procedure if the car is equipped with cruise control.
    1. Attach a piece of stiff wire to the connector on the cruise control switch harness.
    2. Gently pull the harness up and out of the column.
  5. Remove the turn signal switch mounting screws.
  6. Slide the switch connector out of the bracket on the steering column.
  7. After freeing the switch wiring protector from its mounting, pull the turn signal switch straight up and remove the switch, switch harness and the connector from the column.
  8. Turn the ignition switch to ON or RUN, then insert a small drift pin into the slot next to the switch mounting screw boss. Push the lock cylinder tab and remove the lock cylinder.
  9. Installation is the reverse of the removal procedure.

Posted on Mar 08, 2009

  • Greg Bernett
    Greg Bernett Mar 08, 2009

    Tilt Column

    1. Remove the steering wheel.

    2. Remove the rubber sleeve bumper from the steering shaft.

    3. Using an appropriate tool, remove the plastic retainer.

    4. Using a spring compressor, depress the upper steering shaft spring and remove the C-ring. Release the steering shaft lockplate, the horn contact carrier, and the upper steering shaft preload spring.

    5. Remove the four screws which hold the upper mounting bracket, then remove the bracket.

    6. Slide the harness connector out of the bracket on the steering column. Tape the upper part of the harness and connector.

    7. Disconnect the hazard button and position the shift bowl in Park. Remove the turn signal lever from the column.

    8. Use the following procedure for cars with cruise control.

      1. Remove the harness protector from the harness.

      2. Attach a piece of piano wire to the switch harness connector.

      3. Before removing the turn signal lever, loop a piece of piano wire and insert it into the turn signal lever opening. Using the wire, pull the cruise control harness out through the opening.

      4. Pull the rest of the harness up through and out of the column.

      5. Remove the guide wire from the connector and secure the wire to the column.

      6. Remove the turn signal level.

    9. Pull the turn signal switch up until the end connector is within the shift bowl. Remove the hazard flasher lever. Allow the switch to hang.

    10. Place the ignition key in the run position.

    11. Depress the center of the lock cylinder retaining tab with a small prytool, then remove the lock cylinder. On some model remove the lock cylinder retaining screw.

    To install:

    1. When assembling the lock cylinder, rotate the key to the stop position while holding the cylinder and push the cylinder in all the way.

    2. Install the retaining screw on those models so equipped, and tighten to 40 inch lbs. (4.5 Nm).

    3. Install all components in the reverse of the removal procedure order. Check switch for proper operation.


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