Removal & Installation

1990 Buick Regal Custom, 3.8 L, 4T60/ME9SECTION Removal & Installation

Turn ignition off. Disconnect electrical connector from switch. See Figure. Depress locking tabs at inner side of switch. Remove fluid level sensor switch. To install, reverse removal procedure. Turn ignition on. BRAKE warning light should go out within one minute after starting engine.

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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.