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EV Technical Guide

EV Brake Systems & Regenerative Blending

Preventing caliper oxidation, testing brake fluid boiling points, and regenerative brake blending.

EV Brake System Specifics

Because regenerative braking provides up to $80\%$ of deceleration, hydraulic friction brakes operate infrequently, leading to accelerated caliper corrosion in wet European climates.

Maintenance Recommendations:

  • Caliper Slide Pin Lubrication: Annual disassembly and cleaning of brake caliper slide pins.
  • Fluid Moisture Testing: Replacing brake fluid when moisture content exceeds $3\%$ to prevent vapour lock.
  • Mechanical De-Rusting Cycles: Performing forced friction braking maneuvers to strip surface rotor oxidation.

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