Fluid Pump: Service and Repair

Oil Pump and Suction Jet Pump

Special tools, testers and auxiliary items required

• Counterhold Tool (T40217)

• Bit (T40228)

• Engine and Transmission Holder (VAS 6095)

• Sealant, refer to the Parts Catalog

Removing






• Secure the transmission to the (VAS 6095). Refer to => [ Securing on Engine and Transmission Holder ] Securing On Engine and Transmission Holder.

- Remove the flywheel. Refer to => [ Flywheel ] Flywheel.

- Remove the dual clutch. Refer to => [ Dual Clutch ] Dual Clutch.

- Remove DSG transmission Mechatronic (J743). Refer to => [ DSG Transmission Mechatronic (J743) ] DSG Transmission Mechatronic (J743).

- Wrap the splines for the outer driveshaft with adhesive tape - arrow -, so that the inner surfaces of the suction jet pump are not damaged when removing or installing.






- Coat the tape lightly with grease.

- Remove the bolts - arrows - and push the oil pump forward on the input shaft.






- Remove the bolts - arrows - for the suction jet pump - 2 - on the back of the oil pump - 1 -.






• The oil pump is shown removed.

- Remove the oil pump and suction jet pump separately from the input shaft.

Installing






• Tightening specifications, refer to => [ Transmission Overview ] Transmission Overview.

• Replace bolts that are tightened to the specification.

• Replace O-rings.

- Wrap the splines for the outer driveshaft with adhesive tape - arrow -, so that the inner surfaces of the suction jet pump are not damaged when installing.

- Coat the tape lightly with grease.

- Push the O-ring - 2 - onto the seal seat on the suction jet pump - 1 -.






- Check the sealing surface - arrow - on the inside of the large opening in the suction jet pump for damage. Replace the suction jet pump, if necessary.






- Check that the small O-rings - 1 - are in the correct places on the suction jet pump.

- Push the suction jet pump - 2 - and oil pump - 1 - separately onto the input shaft.






• The oil pump is shown removed.

- Position the suction jet pump on the oil pump and tighten the bolts - arrows -.

- Tighten the oil pump - arrows -.






Installation is performed in reverse order of removal.






- Remove the adhesive tape.

- Install DSG transmission Mechatronic. Refer to => [ DSG Transmission Mechatronic (J743) ] DSG Transmission Mechatronic (J743).

- Install the dual clutch. Refer to => [ Dual Clutch ] Dual Clutch.

- Install the flywheel. Refer to => [ Flywheel ] Flywheel.