Details

• Brand:

  

  

• SKU:

  9V4Z-2K478-F

• Other Names:

  Expansion Tank, Reservoir Assembly Expansion

• Description:

  This genuine Ford brake master cylinder reservoir, cataloged by Ford as the expansion reservoir assembly, is the translucent fluid tank that mounts on top of the brake master cylinder and stores the hydraulic brake fluid supply for the braking system. It feeds fluid to the master cylinder as the brake pads wear and the caliper pistons extend, and its molded level markings let you check fluid at a glance. It fits 2018-2023 Ford Transit Connect vans across the 1.5L, 2.0L, and 2.5L engine offerings. Owners replace this reservoir when the tank cracks, when the seams or cap seal weep brake fluid, when the fluid-level sensor grommet leaks, or when the plastic becomes brittle and discolored with age and heat. A cracked or leaking reservoir causes a slow loss of brake fluid, a persistent low-fluid warning, and eventually a soft or sinking brake pedal, so a compromised reservoir is a safety concern that should be addressed promptly. Because it is the correct genuine Ford part it matches the master cylinder ports, seals, and mounting so it seats without leaks and accepts the factory cap and level sensor. When installing, transfer or renew the seals as needed, top off with the Ford-specified brake fluid, and bleed the system if the reservoir was allowed to run dry. Keep the cap sealed to prevent moisture from contaminating the fluid.

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