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Home >> Audi >> 2016 >> S4 Premium Plus, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 1303 (Hydraulic Components - Brake System (Cabriolet)) >> 47 Hydraulic Components >> Vacuum System >> Vacuum Pump, Removing And Installing >> Vacuum Pump, Removing And Installing, 2.7L TDI And 3.0L TDI Diesel Engine >> Removing

Vacuum Pump, Removing And Installing, 2.7L TDI And 3.0L TDI Diesel Engine: Removing

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The vacuum pump is installed on the right cylinder bank -arrow- back in the direction of travel.

Fig 1: Locating Vacuum Pump (2.7L TDI And 3.0L TDI Diesel Engine)
GWWA47-10058Courtesy of AUDI OF AMERICA, LLC

-- Remove the engine cover carefully from the retaining pins, one after another.

Fig 2: Engine Covers, Removal
GWWA10-10890Courtesy of AUDI OF AMERICA, LLC
NOTE:

Because of limited space in the engine compartment, removing the vacuum line from the removed vacuum pump and then connecting it again before installing the pump is recommended.

-- Remove the plenum chamber cover. Refer to Bulkhead .

Fig 3: Identifying Vacuum Hose Behind The Plenum Chamber Bulkhead
GWWA47-10056Courtesy of AUDI OF AMERICA, LLC
CAUTION:

Do not damage the vacuum hose. Replace the vacuum hose if damaged.

-- Disconnect the vacuum line and vacuum hose behind the plenum chamber bulkhead -2-.

Fig 4: Identifying Vacuum Hose Behind The Plenum Chamber Bulkhead
GWWA47-10056Courtesy of AUDI OF AMERICA, LLC

-- Remove the vacuum line -1- from the plenum chamber bulkhead -2-.

-- Remove all the bolts -arrows- on the vacuum pump sealing flange.

Fig 5: Identifying Vacuum Pump Sealing Flange Bolts
GWWA47-10063Courtesy of AUDI OF AMERICA, LLC

-- Remove the vacuum pump from the mount.

-- Remove the vacuum line from the removed vacuum pump.