34 11 519 Removing and installing/replacing left or right front brake caliper

WARNING: This page is about a different variant/trim than selected.

Necessary preliminary tasks:

Read and comply with GENERAL INFORMATION .
Remove front left or right WHEEL .

NOTE: After completing tasks, BLEED BRAKE SYSTEM.

Press clutch pedal down to floor and secure with pedal support.

NOTE: The pedal support may only be released when the brake lines are reconnected.
This prevents brake fluid from emerging from the expansion tank and air from entering the system when the brake lines are opened.

Fig 1: Locating Pedal Support

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Pull brake hose out of holder (1).

IMPORTANT: Grip brake hose at square head (3) to prevent connecting piece from turning in retaining bracket.

Disconnect brake hose from brake line (2).

Installation note:

Tightening torque 34 32 1AZ

Fig 2: Identifying Holder (1), Square Head (3) And Brake Line (2)

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Detach brake hose from brake caliper (1).

Installation note:

Tightening torque 34 32 2AZ

Fig 3: Identifying Brake Caliper

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IMPORTANT: Never twist brake hose when installing it and avoid all contact with parts attached rigidly to the body.

NOTE: First tighten brake hose on brake caliper.
Move wheels into straight-ahead position.
Insert brake hose in bracket and screw onto brake pipe.

Pull brake pad wear sensor (1) out of brake pad (left side only).

Unscrew guide bolts (2).

Detach brake caliper in direction of arrow.

Installation note:

Replace guide screws.

Tightening torque 34 11 3AZ

Fig 4: Identifying Brake Pad Wear Sensor And Guide Bolts

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