17 21 500 Flushing Transmission Oil Cooler With Lines (Automatic Transmission)

17 21 500 Flushing Transmission Oil Cooler With Lines (Automatic Transmission)

Special tools required:

NOTE:
Carry out the work steps listed when:
Installing 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 connecting line 17 2 019 from the oil collection unit with the quick-release coupling.
Connect drain line 17 2 018 using quick-release coupling.
Hold and direct open end of drain line into a suitable drip tray.
Using oil collection unit, flush approx. 1 litre of transmission fluid (refer to BMW Service Operating Fluids) through oil lines and transmission oil cooler.
Reposition quick-release couplings.
Flush oil lines/transmission oil cooler in opposite direction with approx. 1 litre of transmission fluid (refer to BMW Service Operating Fluids).
Disconnect quick-release couplings.
Remove adapter.

NOTE:
Dispose of flushing oil correctly.
Do not reuse under any circumstances.







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