17 21 500 Flushing Oil Cooler With Lines (Automatic Transmission): Notes
Special tools required:
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 from the oil collection unit with the quick-release coupling.
Connect drain line 17 2 018 using quick-release coupling.
Feed open end of drain line into a suitable collection container.
Using oil collection unit, flush approx. 1 liter of transmission fluid through oil lines and oil cooler.
Reposition quick-release couplings.
Flush oil lines/oil cooler in opposite direction with approx. 1 liter of transmission fluid.
Disconnect quick-release couplings, remove adapters.
Dispose of flushing oil properly; do not under any circumstances reuse it.