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Sealing ring, compressor, replacement, Z18XE

Sealing ring, compressor, replacement, Z18XE

To remove


1. Remove the compressor clutch

see method description, Compressor clutch, To remove and To fit, Z18XE

2. Remove the compressor belt pulley

see method description, Compressor belt pulley, To remove and To fit, Z18XE .

3. Remove the felt sealing ring:


- Prise off the felt sealing ring (1)

4. Remove the lock ring:

- Remove the circlip (2) - Use KM-J-4245

5. Remove the compressor's sealing ring:

- Pull off the compressor's sealing ring (6)

Instructions: Place tool KM-6018-4 (3) on the sealing ring. Put the heel of the tool into the recess (4) in the sealing ring and turn ° 90 (5).

- Withdraw the sealing ring with KM-6018-4 (6)

6. Clean the compressor housing:

- Clean the seat of the sealing ring in the compressor housing


To fit


1. Fit the protective collar:


- Fit the protective collar on the compressor shaft (1) - Use MKM-6319-4

2. Fit the compressor's sealing ring:

Instructions: Moisten the sealing ring with mineral oil (part no. 90 01 8100, catalogue no. 19 49 870)

- before fitting: Insert the compressor's sealing ring

Instructions: Press the sealing ring over the protective collar in the compressor housing until the groove (3) is visible. - MKM-6319-4

- Remove the protective collar

3. Fit the lock ring:


Instructions: The bevelled side against the sealing ring.

- Fit the circlip (1) - Use KM-J-4245 (2)

4. Adjust the compressor's sealing ring:

Instructions: in order to attain a degree of running-in of the new sealing ring

- Screw on the shaft nut

- Turn the compressor shaft

- Unscrew the shaft nut

5. Fit the felt sealing ring:

Instructions: Press in the felt sealing ring until it reaches the same height as the edge of the housing.

- Fit the new felt sealing ring (3)

6. Fit the compressor belt pulley

see method description, Compressor belt pulley, To remove and To fit, Z18XE .

7. Fit the compressor clutch

see method description, Compressor clutch, To remove and To fit, Z18XE .

8. Air conditioning, draining and filling

see method description Draining and filling the refrigerant .