Necessary preliminary work

Press brake pedal several times in order to reduce vacuum pressure in brake booster.
Remove right CATALYTIC CONVERTER .
Remove right heat shield.
Detach vacuum line from vacuum pump.

Release screws (1).

Remove heat shield (2).

Remove vacuum hose.

Fig 1: Identifying Heat Shield With Mounting Screws

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Release screws (1).

NOTE: Bolts (1) are secured against falling out.

Release screw (2).

Remove vacuum pump (3).

Fig 2: Identifying Vacuum Pump With Mounting Bolts And Screws

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Drive (1) must be rotated into correct position prior to installation.

Installation note:

Replace sealing ring (2) and coat with grease to facilitate fitting.

Fig 3: Identifying Sealing Ring And Drive

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Installation note:

Align vacuum pump drive to groove (1) of intake camshaft.

Vacuum pump can best be installed when groove (1) is vertically aligned.

Fig 4: Identifying Intake Camshaft Groove

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Check function of DME.

Check vacuum pump for leaks and correct operation.