FN 3

Brake pads, removing and installing

Special tools, testers and auxiliary items required





^ Torque Wrench 5-50 Nm VAG 1331





^ Piston Resetting Tool T10145

Removing
When removing, mark brake pads that will be used again. Install in the same position, otherwise braking effect will be uneven!
- Remove wheels.





- Push retaining spring toward - direction of arrow A - until it can be pressed out of hole toward direction of arrow B -.





- Turn retaining spring - 1 - clockwise - arrow - until it can be removed from upper hole.





- Disconnect the connector - 1 - for brake pad wear indicator.
- Remove dust cap - 2 - and remove brake pad wear indicator wire.
- Remove wire for the brake pad wear indicator from bracket - 3 - at brake caliper.





- Remove covers - arrows -.





- Remove both guide pins - arrows - from brake caliper.
- Remove brake caliper and secure with wire so that the weight of the brake caliper does not burden or damage the brake hose.
- Remove brake pads.

Cleaning:

CAUTION: Do not use compressed air to clean brake dust, the dust produced is harmful to health!

- Thoroughly clean contact surfaces for brake pads at brake carrier, remove corrosion.
- Clean brake calipers (remove adhesive reside) - contact surfaces must be dry and clean.

Use only appropriate solvents for cleaning the brake caliper.

Installing
Before pressing pistons into cylinder using piston resetting tool, brake fluid must be extracted from brake fluid reservoir. Otherwise, especially if reservoir has been topped off, fluid will overflow and cause damage.





- Press pistons back using Piston Resetting Tool T10145 - 1 -

Note:
^ The inner brake pads (piston side) have a predetermined running direction and are marked for this purpose.





Directional brake pads
1 - Right brake pad, piston side
2 - Left brake pad, piston side

When installed, arrow - A - on the backing plate of brake pad must point downward.





- Insert brake pad with retaining springs in piston - arrows -.
- Remove protective foil on backing plate of outer brake pad.





- Install outer brake pad - A - on brake carrier.

When installing brake caliper, make sure that brake pad is not affixed to brake caliper before the correct installation position has been reached.





- Install brake caliper to brake carrier using both guide pins - arrows -.
- Install both protective caps.





- Connect brake pad wear indicator connector - 1 - to the bracket on wheel bearing housing.
- Secure wire of brake pad wear indicator with dust cap - 2 - to bleeder valve and bracket - 3 - at brake caliper.





- Insert retaining spring in upper hole - arrow - and rotate in the direction of the - arrow -.
- Attach retaining spring at lower brake carrier.





- Push retaining spring in direction of - arrow A - first and then into hole of brake caliper at the same time direction of - arrow B
- Install wheels.

Note:
^ After replacing brake pads, depress brake pedal firmly several times with vehicle stationary so that the brake pads are properly seated in their normal operating position.
^ Check brake fluid level after replacing brake pads.

Tightening torque

Tightening torque: