Master cylinder replacement – Fiat Uno

Master cylinder replacement – Fiat Uno

■ Disconnect the electric wires from the brake reservoir cover.

■ Drain the brake fluid from the reservoir.

■ Unscrew the brake lines to the pump. Lift the wires, not excessively bending them.

■ Unscrew the pump from the servo and remove it.

■ The servo pusher may protrude 0.8…1,0 mm above the contact surface of the cylinder. The length of the pusher can be adjusted.

■ Place a new pump with a slightly greased plunger seat and a new seal against the servo and screw it on tightly.

■ Move the brake pedal with your hand, without pressing. There must be a perceptible play of about 0.5…1 mm of advancing the pusher against the pump piston.

■ Connect the brake lines.

■ Put it on (press) brake reservoir and fill.

■ Bleed the system.

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