Brakes
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    truck

    Why Are My Brakes Squealing?

    Typical repair cost: $150–$800

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    Common Symptoms

    High-pitched squeal
    Grinding when stopping
    Pulsation in pedal
    Pulling to one side
    Brake warning light

    Most Likely Causes

    1

    Worn pads (wear indicator)

    Pads have a thin metal tab that intentionally squeals near end-of-life.

    2

    Glazed or contaminated pads

    Overheating crystallizes the friction surface.

    3

    Warped rotors

    Pulsation through pedal at speed.

    4

    Stuck caliper / slide pin

    Causes uneven wear, pulling, and burnt-pad smell.

    5

    Surface rust on rotors

    Harmless squeal after rain; clears in a few stops.

    How a Shop Diagnoses It

    1. 1.Inspect pad thickness (≥3 mm) and rotor surface.
    2. 2.Measure rotor thickness vs OEM minimum spec; check runout.
    3. 3.Confirm caliper slides move freely; rebuild or replace if stuck.

    When to see a professional

    Grinding (not squealing) means metal-on-metal — replace immediately to avoid rotor damage.

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    Related Brakes problems

    Trailer brake failure
    $50–$1200 typical repair
    Air brake leak
    $50–$1500 typical repair
    Grinding brakes
    $200–$1200 typical repair

    Keep exploring

    Brake Pad & Rotor Replacement Cost

    Typical price range

    Brake Fluid Flush Cost

    Typical price range

    Brake Pads info

    30,000-70,000 miles (city) / 50,000-80,000 (highway)

    Brake Rotors info

    50,000-80,000 miles (often replaced with pads)

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