FN 3 Caliper
Brake Pads
Special tools, testers and auxiliary items required
• Torque wrench 5-50 Nm (VAG 1331)
• Piston resetting tool (T10145)
Removing
When removing, mark the brake pads if they will be used again. Install them in the same position, otherwise braking effect will be uneven!
- Remove the wheels.
- Using a screwdriver, pry off the brake pad retaining spring from the brake caliper - arrow - and remove.
- Disconnect the electrical connector - 1 - for brake pad wear indicator.
- Remove the caps - arrows -.
- Loosen both guide pins - arrows - and remove them from the brake caliper.
- Remove the brake caliper and secure with wire so that the weight of the brake caliper does not burden or damage the brake hose.
- Remove the brake pads from the brake caliper or from the brake carrier.
Cleaning
CAUTION!
Do not blow compressed air on the brake system components, the dust produced is harmful to health!
- Thoroughly clean the contact surfaces for the brake pads on the brake carrier, and remove any corrosion.
- Clean the brake caliper, especially the adhesive surface for the brake pad, it must be free of residual adhesive and grease.
Use only appropriate solvents for cleaning the brake caliper.
Installing
Before pressing piston into the cylinder, some brake fluid must be extracted from the brake fluid reservoir. Otherwise, especially if the reservoir has been topped off, fluid will overflow and cause damage.
- Press the piston in using the (T10145).
- Remove the protective foil on the backing plate of the outer brake pad.
- Install the outer brake pad to the brake carrier.
- Insert the inner brake pad with retaining spring to the brake caliper (piston side).
When installing the brake caliper, make sure that brake pads are not affixed to the brake caliper before the correct installation position has been reached.
Do not damage the adhesion surface.
- Tighten the brake caliper to the brake carrier using both guide pins - arrows -.
- Install both protective caps.
- Install the retaining spring to the brake caliper.
- Connect the brake pad wear indicator electrical connector.
- Install the wheels..
• After replacing the brake pads and before moving the vehicle, always press the brake pedal firmly several times to properly seat the brake pads in their normal operating position.
• Check the brake fluid level after replacing the brake pads.
Tightening Specifications