17 21 500 Flushing transmission oil cooler with lines (automatic transmission) (GA6HP19Z, GAHP26Z, GA6HP32Z)

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Special tools required:

NOTE: Carry out the work steps listed when:
Installing a new or replacement transmission.

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 liter of transmission fluid through oil lines and transmission oil cooler.

Reposition quick-release couplings.

Flush oil lines/transmission oil cooler in opposite direction with approx. 1 liter of transmission fluid.

Disconnect quick-release couplings.

Remove adapter.

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

Press hydraulic lines (1) into adapters (2).

Slide clamping bar (3) into guides and secure with screw (4).

Fig 1: Identifying Hydraulic Lines, Adapters, Clamping Bar And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Arrangement of flushing apparatus for transmissions GA6HP19Z, GA6HP26Z, GA6HP32Z

Fig 2: Arrangement Of Flushing Apparatus For Transmissions (GA6HP19Z, GA6HP26Z, GA6HP32Z)

Courtesy of BMW OF NORTH AMERICA, INC.

Transmission-oil cooler with lines
Oil collection unit
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 2 019 Hose to oil collection unit (2)
Oil drip tray
17 2 018 Hose to oil drip tray (3)
Adapter with clamping bar
17 2 060 Adapter with clamping bar for aluminum lines and steel lines with aluminum connection (line diameter 12 mm) GA6HP19Z

17 2 070 Adapter with clamping bar (line diameter 15 mm) GA6HP26Z, GA6HP32Z, TCT for N54 engine

17 2 080 Adapter with clamping bar for fuel lines GA6HP26Z