Flushing Oil Cooler with Lines (Automatic Transmission)

17 21 500 - Flushing oil cooler with lines (automatic transmission)





Special tools required:
- 17 2 018 17 2 010 Set of Adapters
- 17 2 019 17 2 010 Set of Adapters





Note:
Carry out the work steps listed when:

Fitting a new or replacement transmission

Flushing can only be carried out with the automatic transmission removed.





Procedure:

Automatic transmission removed.

Connect appropriate adapters (see description below) to oil lines exiting from automatic transmission.

Connect the connecting line 17 2 019 17 2 010 Set of Adapters from the oil collection unit with the quick-release coupling.

Connect drain line 17 2 018 17 2 010 Set of Adapters using quick-release coupling.

Feed open end of drain line into a suitable collection container.

Using oil collection unit, flush approx. 1 litre of transmission fluid (refer to BMW Service Operating Fluids) through oil lines and oil cooler.

Reposition quick-release couplings.

Flush oil lines/oil cooler in opposite direction with approx. 1 litre of transmission fluid (refer to BMW Service Operating Fluids).

Disconnect quick-release couplings, remove adapters.

Note:
Dispose of flushing oil properly; do not under any circumstances reuse it.

Layout of flushing apparatus for transmission GA6HP32Z





1) - Transmission-oil cooler with lines

2) - Oil collection unit

3) - Oil drip tray

17 2 011 - Adapter for connecting transmission-side oil cooler lines (1)

17 2 015 - Connection for oil collection unit (2), manufacturer: Deutsche Tecalemit or

17 2 016 - Connection for oil collection unit (2), manufacturer: Horn

17 2 017 - Quick-release coupling (2 pieces)

17 2 018 - Hose to oil drip tray (3)

17 2 019 - Hose to oil collection unit (2)

17 2 021 - Retaining plate for adapter 17 2 011 for transmission GA6HP32Z