Precision Brake Repair Built On Testing, Not Guesswork
Whether you are hearing squealing, feeling pedal vibration, or experiencing soft hydraulic pressure, Call it DONE Automotive delivers true root-cause brake repairs in St. Louis. We measure rotor runout, test fluid moisture content, and verify system safety before replacing a single part.
Pads & Rotor Replacement
Precision pad installation matched with high-grade vented rotors. Includes hub rust removal, ceramic hardware lubrication, and initial bedding-in.
Fluid Moisture Flush
Complete evacuation of old, contaminated fluid. Pressure-flushed with fresh OEM spec DOT 3, DOT 4, or DOT 5.1 fluid to protect calipers and ABS valves.
ABS System Service
In-depth electronic scan tool service for ABS warning lights, wheel speed sensor faults, pump module errors, and traction control issues.
Caliper & Hardware Overhaul
Diagnosis and replacement of sticking caliper pistons, seized guide pins, cracked dust boots, and worn anti-rattle hardware causing uneven wear.
EPB Electronic Park Brake
Factory scan-tool service mode retraction for modern European and Asian electronic parking brake actuators to prevent caliper housing damage.
Master Cylinder & Lines
Replacement of failing master cylinder internal seals, degraded rubber brake hoses, vacuum power boosters, and rusted steel hydraulic lines.
Digital Condition Reports & Precise Measurements
Every brake service includes exact micrometer measurements of your friction material, digital fluid boiling point analysis, dial indicator runout checks, and high-resolution inspection photos sent directly to your phone.
Ready to Call it Done?
Schedule your brake service online or visit Call it DONE Automotive at 3116 Ivanhoe Ave, St. Louis, MO.
Brake Problems Solved Through Testing
These vehicles arrived with persistent vibration, squealing noise, or soft pedal feel after previous repair attempts elsewhere. Instead of replacing parts blindly, we measured and tested to find the root cause.
The owner experienced intense steering wheel shake and brake pedal pulsation when braking from highway speeds, despite having new pads and rotors installed at another shop 2,000 miles prior.
What we found: Rather than replacing parts again, our technician mounted a digital dial indicator to measure rotor lateral runout. We discovered 0.004" of runout on the front right hub—well exceeding the 0.001" maximum threshold.
The result: The previous shop had failed to clean rust from the wheel hub face, forcing the rotor to sit crooked. We cleaned the hub face down to bare metal, verified zero runout, and restored smooth braking performance.
This Explorer had a noticeably soft, sinking brake pedal that worsened in heavy stop-and-go city traffic. A previous shop recommended a costly master cylinder replacement.
What we found: Using a digital fluid moisture analyzer, we tested the brake fluid and found a 4% water content level with high copper contamination, drastically lowering the fluid’s boiling point and causing vapor lock under heat.
The result: We performed a complete high-pressure fluid flush with fresh DOT 4 fluid instead of replacing the master cylinder, instantly restoring firm pedal pressure and saving the customer hundreds.
The vehicle pulled sharply to the left during braking, and the front left inner brake pad was completely worn down to metal while the outer pad had plenty of life remaining.
What we found: Inspection revealed that the lower caliper slide pin was completely seized due to a cracked rubber boot and dried grease, preventing the caliper bracket from floating properly.
The result: We overhauled the caliper hardware, installed new slide pins and boots, and replaced both front pads and rotors to ensure balanced, straight-line stopping power.
The owner reported that the ABS and traction control warning lights illuminated intermittently during wet weather or bumpy road conditions.
What we found: Scan tool data monitoring and scope testing revealed erratic wheel speed sensor output on the rear right wheel. Further inspection showed internal corrosion in the sensor harness connector caused by road salt intrusion.
The result: Cleaned and repaired the harness connector and replaced the faulty sensor, clearing all dashboard warning codes and restoring proper ABS function.
The owner attempted a rear brake pad replacement at home and damaged the electronic parking brake (EPB) actuator housing after trying to compress the caliper piston manually without factory service mode.
What we found: Electronic scan-tool diagnostics confirmed stripped internal drive gears within the EPB caliper motor assembly due to mechanical compression without computer retraction.
The result: Replaced the damaged electronic caliper assembly and engaged factory scan-tool service mode to properly calibrate and retract the actuators.
The minivan produced a high-pitched squeal every time the brakes were applied lightly, even though the pads and rotors were replaced less than a month prior at a discount shop.
What we found: The previous facility omitted anti-rattle clips and failed to apply high-temperature ceramic lubricant to the pad abutment clips, allowing harmonic vibration to resonate through the knuckle.
The result: Disassembled the brakes, cleaned the mounting brackets, installed proper OEM anti-rattle hardware, and applied professional damping paste to eliminate the noise completely.
Don't guess when it comes to your vehicle's stopping power. We measure rotor runout, test your fluid, and pinpoint the exact root cause of every brake issue.
Ready to Call it Done?
Call Call it DONE Automotive at (314) 712-3116 or schedule your appointment online today.
What is the difference between squealing and grinding brake noise?
Squealing usually occurs when the built-in mechanical wear indicator tab contacts the rotor, signaling that pad thickness has reached approximately 2-3mm. Grinding indicates the friction material is completely worn down, causing bare metal-on-metal contact that damages rotors and reduces stopping power immediately.
Do I always need to replace rotors when replacing brake pads?
Not always. We measure rotor thickness with micrometers and inspect for structural grooving or heat checking. If the rotor meets manufacturer minimum discard thickness specifications and exhibits low lateral runout, resurfacing may be an option. Otherwise, replacement is required for safety.
Why does my brake pedal feel spongy or sink to the floor?
A spongy pedal typically points to air trapped in the hydraulic brake lines, degraded fluid with excessive moisture content, or internal seal failure inside the master cylinder. We pressure test the hydraulic system to pinpoint the leak or fluid breakdown.
How often should brake fluid be flushed?
Most manufacturers recommend flushing brake fluid every 2 years or 24,000 miles. Brake fluid is hygroscopic and naturally absorbs water from humidity, which lowers the fluid boiling point and causes internal corrosion of costly ABS hydraulic valves.