ParkAvenue 1997-1999

Locks & Lock Systems

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Removal & Installation



Door Locks
  1. Disconnect the negative battery cable.
  2.  
  3. Disconnect the trim panel and water deflector.
  4.  
  5. Disconnect the lock rods.
  6.  
  7. Cut out and remove the lock rod clips. They should be replaced with new ones, since they usually break during removal.
  8.  
  9. If equipped with power locks, detach the electric lock wiring connector.
  10.  
  11. Unfasten the retaining screws.
  12.  
  13. Remove the lock mechanism.
  14.  



Click image to see an enlarged view

Fig. Exploded view of the lock mechanism and outside door handle - Buick shown



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Fig. Location of the lock mechanism assembly - Pontiac and Oldsmobile

To install:

  1. Install the lock mechanism.
  2.  

A new service lock mechanism will have a block-out plug installed. Don't operate the lock or remove the plug until the lock mechanism is installed and the rod is connected to the lock.

  1. Install the retaining screws.
  2.  
  3. Connect the electrical connectors.
  4.  
  5. Install the new lock clips to the rods and install the lock rods.
  6.  
  7. Remove the block-out plug.
  8.  
  9. Install the trim panel and water deflector.
  10.  
  11. Connect the negative battery cable.
  12.  

Lock Cylinders
  1. Raise the glass to its full up position.
  2.  
  3. Disconnect the negative battery cable.
  4.  
  5. Disconnect the trim panel and water deflector.
  6.  
  7. Disconnect the lock rods.
  8.  
  9. Remove lock rod clips. They should be replaced with new ones. They usually break during removal.
  10.  
  11. Disconnect the electric lock wiring.
  12.  
  13. Remove the electric lock mechanism retaining screws.
  14.  
  15. Remove the lock mechanism.
  16.  
  17. Remove the lock cylinder retainer by prying out with a flat blade tool. Use care not to damage vehicle or cause personal injury when prying. Remove the lock cylinder.
  18.  



Click image to see an enlarged view

Fig. Door lock cylinder assembly mounting - electric lock shown



Click image to see an enlarged view

Fig. Exploded view of the door handle and lock cylinder

To install:

  1. Install the lock cylinder and electric lock mechanism, if equipped.
  2.  
  3. Install the retaining screws.
  4.  



Click image to see an enlarged view

Fig. Installation of the door lock cylinder

  1. Connect the electrical connectors.
  2.  
  3. Install the new lock clips to the rods and install the lock rods.
  4.  
  5. Install the trim panel and water deflector.
  6.  
  7. Connect the negative battery cable.
  8.  

 
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