BRAKES
Brake Master Cylinder & Reservoir
Converts pedal force into hydraulic pressure and holds the brake fluid.
Identification & Position
- Part name
- Brake Master Cylinder & Reservoir
- System
- Brakes
- Location
- Bolted to the front of the brake booster on the firewall, driver side.
- What it does
- Pushes brake fluid through the lines to the brakes at each wheel.
- What it connects to
- • Brake booster
- • Brake lines toward the ABS unit and wheels
- • Fluid level sensor connector
- What is above it
- Verification Required
- What is below it
- Verification Required
- What is in front of it
- Verification Required
- What is behind it
- Verification Required
- Must be removed to access it
- Verification Required
Show me how to take this apart
Dependency path — the order things must come off
Reveals the order of everything that has to be disconnected or removed to reach this part.
Symptoms & Testing
- Common failure symptoms
- • Sinking pedal
- • Low fluid
- • Fluid around the booster joint
- • Brake warning light
- How to test it
- 1. Check fluid level and colour.
- 2. Hold firm pedal pressure and watch for slow sink.
- 3. Inspect the joint at the booster for weeping.
Symptoms narrow the list of possibilities. They never confirm a diagnosis on their own — test before replacing anything.
Part Numbers
Enter the Ford part number for your exact configuration.
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Part numbers vary by engine, drive type and build date. Nothing is guessed here — enter yours from a verified source on the admin page so it stays with this component.
Difficulty & Time
Safety Warnings
- Brakes are safety-critical — the system must be bled and verified before driving.
- Brake fluid strips paint and is harmful to skin and eyes.
Tools Needed
- Flare nut / line wrenchesBrake and power steering line fittings without rounding them
- Socket set (metric and imperial)Almost every fastener on the truck
- Brake bleeding kitBleeding brakes after any hydraulic work
- Drain pansCatching oil, coolant and fluids
Related Parts
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