brake pedal sag causing brake lights to turn on

Discussion in 'General Chevy & GM Tech Questions' started by finkenator9, Aug 4, 2010.

  1. finkenator9

    finkenator9 New Member

    Newbie here - 89 Silverado, brake pedal sags a bit causing the brake lights to come on.
    Intermittent problem. Can I tighten something up? or what?
  2. silveradotrailblazer

    silveradotrailblazer Epic Member 5+ Years ROTM Winner 5000 Posts

    Welcome to the club. Isn't there a spring return on the brake pedal? If there is try a new spring.
  3. Greg84

    Greg84 Rockstar 100 Posts

    The brake light switch should be threaded so you can screw it farther into the bracket and the brake pedal will make contact with it earlier. If you get under the dash and follow the metal arm holding the brake pedal up you should see metal arm pushing against the brake light switch.
  4. tbplus10

    tbplus10 Epic Member Staff Member 5+ Years 5000 Posts Platinum Contributor

    Yea the brake light switch on the brake pedal should be adjustable, back it off the arm, I think the factory pedal to switch clearance is something like a 16th".

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