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Home >> Audi >> 2016 >> S5 Prestige, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 491 (Brake System - Hydraulic Components (Sedan) (As Of 01.2014)) >> 47 Hydraulic Components >> Vacuum System >> Vacuum Pump, Removing And Installing >> Vacuum Pump, Removing And Installing, 2.0L TDI Diesel Engine

Vacuum Pump, Removing And Installing, 2.0L TDI Diesel Engine

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Removing

The vacuum pump is installed in the engine compartment facing the rear -arrow-.

Fig 1: Locating Vacuum Pump (2.0L TDI Diesel Engine)
GWWA47-10059Courtesy of AUDI OF AMERICA, LLC

-- Carefully remove the engine cover.

Fig 2: Removing Engine Cover
GWWA10-11050Courtesy of AUDI OF AMERICA, LLC

The plenum chamber bulkhead does not have to be removed.

-- Remove the diesel particulate filter pressure sensor -1- on the bracket.

-- Disconnect the wire -2- from the pressure sensor and carefully move it to the side.

Fig 3: Identifying Diesel Particulate Filter Pressure Sensor -1-, Pressure Sensor -2-
GWWA23-10269Courtesy of AUDI OF AMERICA, LLC

-- Remove the pressure sensor bracket on the vacuum pump.

-- Remove the coolant pipe on the bracket and on the left engine transport strap and push it to the side.

-- Remove vacuum hose -1- from vacuum pump.

Fig 4: Identifying Vacuum Hose -1-
GWWA47-10060Courtesy of AUDI OF AMERICA, LLC

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

-- Remove the vacuum pump from the mount.

installing

NOTE:

Replace the seal.

Make sure the seal is correctly installed.

-- Position the vacuum pump tappet so it engages in the groove on the camshaft when vacuum pump is installed.

-- Insert the vacuum pump.

-- Make sure the seal is seated correctly.

-- Install and tighten all the bolts -arrows- on the vacuum pump sealing flange, refer to Figure, -item  1- Bolt.

Fig 5: Identifying Vacuum Hose -1-
GWWA47-10060Courtesy of AUDI OF AMERICA, LLC

-- Connect the vacuum hose to the vacuum pump.

-- Install the coolant pipe into the bracket and to the left engine transport strap.

-- Install the diesel particulate filter pressure sensor bracket to the vacuum pump.

Fig 6: Identifying Diesel Particulate Filter Pressure Sensor -1-, Pressure Sensor -2-
GWWA23-10269Courtesy of AUDI OF AMERICA, LLC

-- Tighten the bracket.

-- Install the pressure sensor lines into the bracket.

-- Tighten the pressure sensor -1-.

-- Install the engine cover.