Brake Caliper, Removing and Installing
Brake caliper, removing and installing
Special tools, testers and auxiliary items required
^ Torque Wrench 5-50 Nm VAG 1331
^ Brake Pedal Actuator VAG 1869/2
Removing
Work procedure applies only for replacing or when performing subsequent service work on brake caliper.
- Remove wheels.
- Push retaining spring toward the direction of - arrow A - until the spring can be removed from the hole in the caliper. Pull spring out of the caliper in the direction of - arrow B -.
- Rotate the retaining spring - 1 - in the direction of the - arrow - until it can be removed from upper hole.
- Disconnect the electrical connector - 1 - for brake pad wear indicator.
- Remove the clip - 2 - and remove brake pad wear indicator wire.
- Remove dust cap and then wire for the brake pad wear indicator - 3 - at brake caliper.
- Connect bleeder hose of bleeder bottle to bleeder valve of brake caliper and then open bleeder valve.
- Insert Brake Pedal Actuator VAG 1869/2.
- Close bleeder valve and remove bleeder bottle.
- Disconnect the brake hose.
- Remove covers - arrows -.
- Remove both guide pins - arrows - from the brake caliper.
- Remove the brake caliper from brake carrier.
- Remove brake pads from brake caliper.
Installing
^ Piston is pressed back.
^ Outer brake pad installed on brake carrier.
- Insert inner brake pad with retaining spring in brake caliper (piston).
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 face downward.
When installing brake caliper, make sure that brake pad is not affixed to brake caliper before the correct installation position has been reached.
Do not damage the adhesion surface.
- Tighten brake caliper to brake carrier using both guide pins.
- Install both protective caps.
- Install the brake caliper hose.
- Remove Brake Pedal Actuator VAG 1869/2.
- Insert retaining spring in upper hole - arrow - and turn in the direction of - arrow -
- Attach retaining spring to the lower brake carrier.
- Push the retaining spring in direction of - arrow A - first and then into hole of brake caliper at the same time direction of - arrow B
- Bleed brake system.
- Install wheels.
Note:
^ Before moving vehicle, depress brake pedal several times firmly to properly seat brake pads in their normal operating position.
^ Check brake fluid level.
Tightening torques: