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Home >> Buick >> 2019 >> LaCrosse Base >> Repair and Diagnosis >> Electrical >> Charging Systems >> Battery, Charging System And Starting System >> Repair Instructions >> Battery Replacement >> Removal Procedure

Removal Procedure

  1. GM4502404Courtesy of GENERAL MOTORS COMPANY

    Rear Compartment Side Trim Panel-Left Side (2) - Remove - Rear Compartment Side Trim Replacement - Left Side (With LHN)Rear Compartment Side Trim Replacement - Left Side (With LGX)

  2. NOTE:

    In certain circumstances, replacement or disconnection of the 12V battery may result in a charging system concern upon start up. If a charging concern is present without DTCs, refer to DC Power Conversion Test , to verify that high voltage is available and to then diagnose the charging system.

  3. Disconnect the negative battery cable. Battery Negative Cable Disconnection and Connection (Without KL9) Battery Negative Cable Disconnection and Connection (With KL9) 
  4. GM4262102Courtesy of GENERAL MOTORS COMPANY

    Battery Distribution Fuse Block Cover (1) - Remove

  5. GM4262173Courtesy of GENERAL MOTORS COMPANY

    Battery Positive Post Clamp Nut (1) - Loosen

  6. Battery Distribution Fuse Block (2) - Reposition away
  7. GM4262175Courtesy of GENERAL MOTORS COMPANY

    Battery Hold Down Retainer Nut (1) - Remove

  8. Battery Hold Down Retainer (2) - Remove
  9. Battery Hold Down Bolt (3) - Remove
  10. Battery Hold Down Retainer (4) - Remove
  11. Battery Vent Hose (5) - Disconnect
  12. Battery (6) - Remove