Cap And Guide Pin, Replacing: Installing

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-- Carefully press the guide pin into the protective cap as far as the first groove.

-- Insert the protective cap in the brake caliper.

The protective cap must be seated in the center of the brake caliper.

-- Press the guide pin through the protective cap.

The protective cap must not be seated in both grooves on the guide pin.

Check the movement of the guide pin. Both guide pins must slide.

-- Install the brake caliper and tighten the bolts -1- to 30 Nm.

Fig 1: Brake Caliper Exploded View

Courtesy of AUDI OF AMERICA, LLC

-- Position the retaining spring -7- on the outer brake pad.

-- Press the retaining spring in the center and insert the center tab of the retaining spring in the hole -arrow- on the brake caliper.

The retaining spring tab must sit correctly in the hole in the brake caliper or it can spring out and the brake pad will not be held in place.

NOTE:

The spring is tensioned, keep hands protected.

When removing the spring, make sure it does not scratch the brake caliper or damage the paint.