How to replace Slave Cylinder on Audi A4 & VW passat models?

The Slave cylinder replacing procedure for both VW passat and Audi A4 is similar.

Slave (Actuator) Cylinder
REMOVAL & INSTALLATION Details are as follows:---

The clutch master and slave cylinders should be replaced as a pair. If one unit fails, the other usually will fail soon after.

NEVER depress the clutch pedal while the slave cylinder is dismounted.

  1. Remove enough brake fluid from the reservoir until the level drops below the refill line connection.
  2. Raise and safely support the vehicle.
  3. Place a suitable drain pan under the slave cylinder.
  4. Using a flare nut wrench loosen, but do not remove, the fluid line.
  5. Remove the retaining bolts and pull the slave cylinder down.
  6. Remove the line from the slave cylinder.
To install:
  1. Install the slave cylinder on the transmission.
  2. Tighten the slave cylinder bolts to 17 ft. lbs. (24 Nm).
  3. Tighten the fluid connections to 12 ft. lbs. (16 Nm).
  4. Make sure to install the cylinder with the bleed screw facing down. When installing the front pushrod, coat it with the proper high temperature grease.
  5. Bleed the system.

These details will help.


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