11 66 000 Removing and installing/replacing vacuum pump (N62/N62TU)

Installation location: 

Vacuum pump is fitted on cylinder head 1 to 4 at front on exhaust camshaft.

Remove design cover. 

Unfasten acoustic cover  screws. Raise cover and remove toward front. Remove acoustic cover. 

Fig 1: Identifying Acoustic Cover

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Remove intake hose with air-mass flow sensor and upper section of intake filter housing.  . See 13 71 000 REMOVING AND INSTALLING/REPLACING INTAKE FILTER HOUSING

Open hose clip (1) and pull off vacuum line.

Release nuts on hose holders.

Remove vacuum hose.

Fig 2: Opening Hose Clip And Pulling Off Vacuum Line

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Release screws and remove holder (1).

Remove vacuum pump (2).

Tightening torque 10 Nm.

Fig 3: Identifying Holder And Vacuum Pump

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Installation: 

Replace sealing ring (1) and secure with grease.

Drive (2) must be rotated into correct position prior to installation.

Fig 4: Identifying Sealing Ring And Drive

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Installation: 

Align vacuum pump drive to groove (3) on exhaust camshaft.

Vacuum pump can best be installed when groove (3) is vertically aligned.

If vacuum pump cannot be installed, crank engine if necessary at central bolt into correct position.

Fig 5: Aligning Vacuum Pump Drive To Groove On Exhaust Camshaft

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