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Home >> Audi >> 2010 >> S4 Automatic DCT >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Clutch - Manual Transmission 0B4 (Sedan)) >> 30 Clutch >> Clutch Mechanism >> Clutch Master Cylinder, Removing And Installing >> Removing

Clutch Master Cylinder, Removing And Installing: Removing

WARNING: This page is about a different variant/trim than selected.

-- Clutch Master or Slave Cylinder, Removal and Installation Information. Refer to CLUTCH MASTER OR CLUTCH SLAVE CYLINDER, REMOVAL AND INSTALLATION INFORMATION .

CAUTION:

Danger of causing damage to electronic components.

  • Complete the steps for disconnecting the battery.

-- Disconnect the battery ground cable -2-. Refer to BATTERY, DISCONNECTING AND CONNECTING .

Fig 1: Identifying Battery Cover And Ground Cable
GWWA27-10141Courtesy of AUDI OF AMERICA, LLC

-- Remove the seal -arrow-.

Fig 2: Removing Plenum Chamber Covers
GWWA92-10115Courtesy of AUDI OF AMERICA, LLC

-- Remove the left part -3- or the entire plenum chamber cover (depending on the version). Refer to PLENUM CHAMBER COVER, REMOVING AND INSTALLING .

-- Remove the engine compartment E-box. Refer to E-BOX, REMOVING AND INSTALLING , also see WIRING HARNESS REPAIR SET (Release Tool Set VAS1978/35) .

Fig 3: Identifying E-Box Bolts & Cover
GWWA10-10853Courtesy of AUDI OF AMERICA, LLC
NOTE:

While performing the following work, make sure no brake fluid comes into contact with plenum chamber or with transmission below. If it does, clean the area thoroughly.

Fig 4: Locating Hose/ Line Assembly Clip
GWWA30-10165Courtesy of AUDI OF AMERICA, LLC

-- Clamp off the supply hose -2- to the brake fluid reservoir using the Hose Clamps - Up To 25mm 3094, then remove it from the clutch master cylinder -1- and seal it off.

-- Open the clip -3- with a screwdriver and pull it out.

-- Remove the hose/line assembly -4-.

NOTE:

The connector -5- remains connected.

-- Remove the over-center spring -2- ; refer to REMOVING .

Fig 5: Pressing Clutch Pedal
GWWA30-10156Courtesy of AUDI OF AMERICA, LLC
NOTE:

Ignore -2- and -arrows A and B-.

-- Remove the pin -1- from the clutch pedal -3-.

Fig 6: Removing Clutch Pedal Mounting Pins
GWWA30-10158Courtesy of AUDI OF AMERICA, LLC

-- Release the clutch master cylinder in direction of -arrow- using the Wrench - Ring 3355.

Fig 7: Releasing Clutch Master Cylinder
GWWA30-10163Courtesy of AUDI OF AMERICA, LLC

-- Remove the clutch master cylinder -1- and guide it out through the opening for the engine wiring harness.

-- Release and remove the connector -5-.

Fig 8: Locating Hose/ Line Assembly Clip
GWWA30-10165Courtesy of AUDI OF AMERICA, LLC