Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Brake Caliper, FNR-G
Special tools and workshop equipment required
- Torque Wrench (5-50 Nm) -V.A.G 1331-
- Brake Pedal Actuator -V.A.G 1869/2-
Removing
This procedure applies only for replacing or when performing subsequent service work on brake caliper.
- Remove the wheels.
- Using a screwdriver -2-, pry the spring -1- out of the brake caliper in the -direction of arrow B-. Insert the screwdriver between the spring and the brake caliper -arrow A-.
- Cover the brake caliper retaining spring with a cloth when doing this so that it cannot jump away.
- Disconnect the connector -1- for the brake pad wear indicator.
- Attach the bleed hose -1- from the bleeder bottle -3- to the brake caliper bleed valve -2- and open the bleed valve
- Install the brake pedal actuator -V.A.G 1869/2-.
- Close the bleed valve and remove the bleeder bottle.
- Remove the brake line -4- from the brake hose -2-.
- Remove the spring clamp -1- and remove the brake hose -2- from the bracket -3-.
- Remove the caps -arrows-.
- Loosen both guide pins and remove them from the brake caliper housing.
- Remove the brake caliper -1- from the brake carrier -2-.
- Remove the inner brake pad from the brake caliper/piston.
Installing
The piston is pressed back.
- Install the inner brake pad and the spring -1- in the brake caliper/ piston -2-.
- Install the outer brake pad -2- in the brake carrier -1-.
- Mount the brake caliper -1- with the inner brake pad on the brake carrier -2-.
- Tighten the brake caliper to the brake carrier using both guide pins.
- Install the caps -arrows-.
- Install the brake hose -2- into the bracket -3- and secure it with the spring clamp -1-.
- Attach the brake line -4- and brake hose -2-.
- Remove the brake pedal actuator -V.A.G 1869/2-.
- Install the brake caliper spring -1- in such a way that the lower spring bracket is behind the brake carrier -arrow C- and the middle centering pin -arrow B- is behind the brake caliper housing -3-.
- Move the upper spring bracket -2- behind the brake carrier -arrow A-.
- Connect the connector to the brake pad wear indicator -1-.
- Bleed the brake system. Refer to 1/2 BRAKE SYSTEM, BLEEDING .
- Install the wheel.
- Before moving the vehicle, press the brake pedal firmly several times to properly seat the brake pads in their normal operating position.
- Check the brake fluid level.
| Tightening Specifications | |
| Guide pin to brake carrier | 30 Nm |
| Brake hose to brake line | 14 Nm |
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.