Automatic car gearbox BMW 3 Series E21

Detailed technical specifications
Automatic planetary three-speed gearbox type 3 HP 22 with torque converter manufactured by ZF. The selector lever has six positions: P - parking; R — reverse;...

Automatic transmission housing parts
Automatic transmission housing parts: 1 - gearbox housing; 2 - screw cap; 3 - centrifugal oil pressure regulator gasket; 4 - centrifugal oil pressure...

Planetary gears, shafts and clutches of automatic transmission
Planetary gears, shafts and clutches of automatic transmission: 1 — output shaft; 2 - rear support; 3 - front planetary gear; 4 - 72-tooth main gear of the...

Automatic transmission control mechanism parts
Automatic transmission control mechanism parts: 1 - selector lever rod; 2 — selector lever; 3 — bracket; 4 - gasket; 5 — wings; 6 — selector lever handle; 7 —...

Removal the automatic transmission
Disconnect the rod from the throttle control sector and remove it from the intermediate support. Remove the upper bolts securing the gearbox housing to the...

Installation of automatic transmission
The automatic transmission is installed in the reverse order of removal. Please note that: it is not allowed to refill the drained oil into the gearbox; after...

Adjusting the gearbox control drive
Make sure the transmission crossmember is securely fastened. Disconnect the gearbox control rod 1 from the intermediate gear selection lever 2. Set the gear...

Pressure check
To check the pressure, a 240000 or 133061 test pressure gauge must be connected to the gearbox. Before checking the pressure, make sure that the oil level in...

Possible malfunctions of automatic transmission
Possible malfunctions of automatic transmission and how to eliminate them

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