SEAT Workshop Service and Repair Manuals

Vacuum pump for 2.0l TDI CR diesel engines: Removing and installing   DANGER! The vacuum pump should never be dismantled as this may have an influence to the vacuum. This would result in damage to the servo brake. Removal:

The vacuum pump is located in the rear of the engine compartment -arrow-, as seen in the direction of travel.

–  Remove engine cover -arrows-. The plenum chamber partition panel does not have to be removed.

–  Remove the holder of the fuel filter. For this purpose, unscrew the nuts -arrow-. The fuel lines should not be removed. –  Move the unit of the filter bracket together with the fuel lines to the right.   Caution Observe rules for cleanliness when working on the fuel supply system.

–  Disconnect vacuum line -1- from the vacuum pump.   Caution Take care not to damage the vacuum hose. The vacuum hose must be replaced if it is damaged.   Note The -arrows- can be disregarded.

–  Disconnect the connector -3- of sensor 1 for the exhaust gas pressure -G450-. –  Undo the screws -4- and remove sensor 1 for the exhaust gas pressure -G450-.

–  Detach the connector -1- of thecoolant temperature display at the radiator outlet -G83--2-. –  Push the sensor 1 for the exhaust gas pressure -G450- to one side and unscrew the two fixing nuts of the bracket for the sensor 1 for the exhaust gas pressure -G450-.

–  Loosen the nuts -arrow- that hold the coolant line at the back and then separate the vacuum pump.   Note Ignore -positions 1 and 3-.

–  Unscrew the fixing bolts -arrows- from the vacuum pump. –  Remove the vacuum pump from the cylinder head. Installation Installation is carried out in the reverse sequence; note the following:   Note

t  Make sure that the coupling of the vacuum pump has been mounted on the camshaft correctly. t  Always replace the seals of the vacuum pump.

–  Mount the vacuum pump and tighten the screws -arrows- to 10 Nm. –  Connect the vacuum line -1- to the vacuum pump.   WARNING The vacuum hose must always be fed into the connection of the vacuum pump as far as possible. –  Fit engine cover .