LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 1999 >> Astro Van Cargo, AWD >> Repair and Diagnosis >> Steering >> Steering Column >> Steering Column - Standard >> Repair Instructions >> Electronic Column Lock Module Replacement >> Removal Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Removal Procedure

CAUTION:

This vehicle is equipped with a Supplemental Inflatable Restraint (SIR) System. Failure to follow the correct procedure could cause the following conditions:

  • Air bag deployment
  • Personal injury
  • Unnecessary SIR system repairs

In order to avoid the above conditions, observe the following guidelines:
  • If you are performing service on or near the SIR components or the SIR wiring, disable the SIR system.
  1. Disable the SIR system. Refer to DISABLING SYSTEM in SIR.
    IMPORTANT: Remove the SIR coil from the steering shaft and let the SIR coil hang freely.
  2. Remove the SIR coil. Refer to SIR COIL ASSEMBLY .
    3. Fig 1: View Of Bearing Retainer
    GM330127Courtesy of GENERAL MOTORS CORP.
  3. Install the J 23653-SIR to the steering shaft and compress the shaft lock shield (2).
  4. Remove the lock shield retainer from the steering column shaft.
  5. Remove the J 23653-SIR from the steering shaft.
    6. Fig 2: Shaft Lock Shield & Turn Signal Cancel Cam
    GM389656Courtesy of GENERAL MOTORS CORP.
  6. Remove the following parts from the steering shaft:
    1. Shaft lock shield (4)
    2. Turn signal cancel cam (3)
  7. Rotate the steering column lock cylinder to the OFF-LOCK position.
    8. Fig 3: Identifying Park Lock Cable At Ignition Lock Cylinder
    GM324874Courtesy of GENERAL MOTORS CORP.
  8. Insert a small screwdriver into the slot on the electronic lock module and push down on the park lock cable locking tab and remove park lock cable (1) from the electronic lock module (column shift only).
    9. Fig 4: Electric Park Lock & Connector
    GM389654Courtesy of GENERAL MOTORS CORP.
  9. Disconnect the electric park lock (1) electrical connector (2) (floorshift only).
    10. Fig 5: View Of Electric Park Lock & Ignition Lock Cylinder Case Assembly
    GM368489Courtesy of GENERAL MOTORS CORP.
  10. Unsnap the electric park lock (2) off of the electronic lock module (1) (floorshift only).
    11. Fig 6: Identifying Key Alarm Connector At Ignition Lock Cylinder Case
    GM306267Courtesy of GENERAL MOTORS CORP.
  11. Rotate the key alarm switch connector from the electronic lock module.
  12. Disconnect the passlock electrical connector from the electronic lock module.
    13. Fig 7: Ignition Switch, Electronic Lock Module & J 42759
    GM664261Courtesy of GENERAL MOTORS CORP.
  13. Disconnect the ignition switch (2) from the electronic lock module using the J-42759 .
  14. Remove the ignition switch (2) from the electronic lock module (2).
  15. Let the ignition switch (2) hang freely.
    16. Fig 8: Electronic Lock Module & Mounting Screws
    GM306295Courtesy of GENERAL MOTORS CORP.
  16. Remove the electronic lock module (1) mounting screws (2).
  17. Remove the electronic lock module (1) from the steering column housing.
scientia non olet · About LEMON Manuals