Removal Procedure

2018 Buick Regal BaseSECTION Removal Procedure
  1. BATTERY NEGATIVE CABLE DISCONNECTION AND CONNECTION (3.6L LGX)BATTERY NEGATIVE CABLE DISCONNECTION AND CONNECTION (2.0L LTG) - Disconnect
  2. Rear Compartment Side Trim Replacement - Left Side (5-Door Wagon 35)Rear Compartment Side Trim Replacement - Left Side (Hatchback) - Remove
  3. GM4621639

    Front Compartment Fuse Block Cover (1) - Remove

  4. GM4621643

    Generator and Battery Cable Nut (1) - Remove[2x]

  5. Generator and Battery Cable (2) - Remove
  6. GM4621641

    Disconnect all electrical connectors.(1)

  7. GM4621645

    Positive Battery Clamp Nut. (1) - Loosen

  8. GM4621640

    Release the tabs on each side of the battery distribution engine compartment fuse block and remove. (1)

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.