LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2001 >> DeVille Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Navigation Systems >> Repair Instructions >> Navigation Data Processor Replacement (Navigation Module NAV) >> Removal Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Removal Procedure

IMPORTANT: The CD can not be removed from the navigation data processor after the power has been disconnected from the processor
  1. Turn ON the ignition, with the engine OFF
  2. Remove the CD from the navigation data processor
  3. Turn OFF the ignition
  4. Remove the upper trunk trim
  5. Remove the rear shelf trim panel
  6. Remove the rear shelf carrier
  7. Fig 1: Navigation Data Processor And Radio Receiver
    GM577867Courtesy of GENERAL MOTORS COMPANY
  8. Disconnect the electrical connections (1, 4) from the navigation data processor (2) and from the radio receiver (3)
  9. Fig 2: Navigation Data Processor/Radio Bracket Nuts
    GM474820Courtesy of GENERAL MOTORS COMPANY
  10. Remove the fasteners (1) retaining the navigation data processor/radio bracket to the rear shelf
  11. Remove the navigation data processor, the radio, and the bracket assembly from the vehicle
  12. Fig 3: Navigation Data Processor
    GM577872Courtesy of GENERAL MOTORS COMPANY
  13. Remove the fasteners (4) retaining the navigation data processor (5) to the navigation data processor/radio bracket (2).
  14. Remove the navigation data processor (5) from the navigation data processor / radio bracket (2).