Shims

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Always use new shims.

NOTE: If the old brake pads are reinstalled, insert the brake pads with the shims attached into the brake caliper.

The brake caliper is removed.

-- Remove the brake pads with the shims attached -arrows- from the brake caliper by carefully prying the brake pads out of the brake piston.

Fig 1: Identifying Shims

Courtesy of AUDI OF AMERICA, LLC

-- Before installing the brake pads, insert the shims -arrows- into the brake pistons.

Fig 2: Identifying Shims

Courtesy of AUDI OF AMERICA, LLC

-- Pull out the foil on the shims if equipped.

-- Install the brake pads after that.

After completing the brake system assembly, hold the full brake pressure for approximately 20 seconds, so that the shims are completely mounted on the brake pads.