Vacuum Pump, Removing And Installing

WARNING: This page is about a different car, the 2023 Volkswagen Atlas. However, it is still accessible from the selected car via links, so may be relevant.

Removing

-- Remove the engine cover. Refer to ENGINE COVER, REMOVING AND INSTALLING .

-- Remove the air filter housing. Refer to AIR FILTER HOUSING, REMOVING AND INSTALLING .

-- Disconnect the vacuum hose -2-.

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-- Press the release button on the vacuum hose -1- and remove the hose from the vacuum pump.

-- Release the retainer -arrow-, remove the wiring duct upward from the bracket and move it towards the front.

Fig 1: Identifying Bolts

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CAUTION:

Risk of destroying the coolant pipes through deformation.

- Never change the coolant pipe bend shape.

-- Remove the bolts -1, 2 and 3- and carefully move the coolant line slightly to the side.

-- Remove the high pressure pump with the >>roller tappet<<. Refer to HIGH PRESSURE PUMP, REMOVING AND INSTALLING .

-- Remove the bolts -arrows- and remove the vacuum pump.

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NOTE:

Do not disassemble the vacuum pump.

Installing:

Fig 2: Locating Bolts And Vacuum Pump

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Tightening specifications. Refer to Part II .

-- Clean the sealing surfaces.

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

-- Install new seal on the vacuum pump, stick the two bolts through and install the vacuum pump with new seal on the cylinder head.

-- While doing so pay attention that it lays flush on the flange.

Further assembly is performed in the reverse order of the removal.