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Does Brake Actuator buzz more frequent in hot weather?

Discussion in 'Gen 2 Prius Main Forum' started by Rph74, Jul 14, 2019.

  1. Rph74

    Rph74 Active Member

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    This could all be in my head, but it seems as though my brake actuator goes off (buzzes) more often now that it’s hot. Or I’m just noticing it more. It’s been buzzing about every other time I hit the brakes. Some occasions it will go every 3. It doesn’t buzz too terribly long, nor sound bad as I’ve seen in other posts.

    Has anyone noticed this on their Prius now that the weather is hot?
     
    #1 Rph74, Jul 14, 2019
  2. mehullica

    mehullica Junior Member

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    Mine does. I bled the system a few weeks ago & as soon as the weather hit 100, it’s twice as bad. When driving at night when it’s 70, it’s running way less
     
    #2 mehullica, Jul 14, 2019
  3. Rph74

    Rph74 Active Member

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    Phew that makes me feel better
     
    #3 Rph74, Jul 14, 2019
  4. bisco

    bisco cookie crumbler

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    i've never noticed it, but we haven't seen over 90 yet.
     
    #4 bisco, Jul 14, 2019
  5. audiodave

    audiodave Active Member

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    Fluid probably a little thinner when it's hot and losses pressure quicker.

    Posted via the PriusChat mobile app.
     
    #5 audiodave, Jul 14, 2019
    Rph74 likes this.
  6. Rph74

    Rph74 Active Member

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    Well it’s 70 degrees and rainy and my Brake actuator operated normally today. A big relief!
     
    #6 Rph74, Jul 15, 2019
    James1964 likes this.
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