Removing and installing/replacing hydraulic control unit (6-speed, AISIN GA6F21AW) (Cooper Clubman base FWD)
Note the amount of released automatic transmission fluid.
Otherwise the automatic transmission may incur extensive damage!
Do not drain oil before the transmission has cooled down.
Preliminary work needed:
- Disconnect NEGATIVE BATTERY CABLE .
- Drain off TRANSMISSION OIL .
- Remove LEFT CHARGE AIR DUCT .
- Remove FAN COWL .
- Remove RADIATOR .
- Remove CHARGE AIR COOLER .
- Remove the EGS .
Removal:
Release screws and remove cover.
Unscrew the screws (1).
Remove locking plates (2) with oil temperature sensors (3).
Disconnect connectors of solenoid and control valves.
Release output RPM sensor connector (1) from holder and place to one side.
Numbers: 3, 4, 6, 7, 8 = 21 mm.
Numbers: 2, 5 = 31 mm.
Number: 1 = 51 mm.
Evenly release screws in specified sequence.
Disconnect lever (1) from gearshift shaft.
When removing selector unit, slide in gear selector valve (2) and hold down.
Remove selector unit.
Installation:
Join shift unit to transmission.
Pull gear selector valve (2) slightly out of shift unit. Insert lever (1) into gearshift shaft.
Numbers: 1, 2, 3, 5, 6 = 21 mm.
Numbers: 4, 7 = 31 mm.
Number: 8 = 51 mm.
Tightening torque: 24 30 2AZ .
Clip output RPM sensor connector (1) onto holder.
Install oil temperature sensors (3) with locking plates (2) and screw.
Tightening torque: 24 30 3AZ .
Connect and lock connectors of the solenoid and control valves.
Parts : Replace the screws, cover and liquid sealing compound.
Clean sealing surface of transmission and completely remove the sealing compound.
Apply new liquid sealing compound.
Install cover and screw.
Tightening torque: 24 30 1AZ .
Required follow-up work:
- Install RADIATOR .
- Install FAN COWL .
- Install CHARGE AIR COOLER .
- Install left CHARGE AIR DUCT .
- Install the EGS .
- Add TRANSMISSION FLUID .
- Connect BATTERY GROUND LEAD .