ah2719p000101nkb

Notes on automatic transmission

Type ah · topic 27.19 · version 0111 · 2020-07-23

Applies to: Transmission 700.42 Transmission 700.750 in model 910 Transmission 700.770 in model 470, 471 Transmission 722.3/4/5/6/8/9 Transmission 722.6 in model 636, 639 Transmission 722.6 in model 902.6, 903.6, 904.6, 905.6 Transmission 722.6 in model 906.1/2/6/7 Transmission 722.9 in model 906, 907 Transmission 723.3 in model 668, 670 Transmission 723.6 in model 949, 950.5/6, 952.6, 957.38/5/6 Transmission 723.6 in model 956, 963 Transmission 723.6 in model 967 Transmission 723.6 in model 970, 972, 975, 976 Transmission 723.68 Transmission 724.0/1/2 Transmission 725.0 in model 907 Transmission 725.0/1 Transmission 725.0

Where it sits

Function group 2 Chassis › 27 Automatic transmission › 27.19 Transmission - electrical system — Series 470 · Series 471 · Series 636 · Series 639 · Series 668 · Series 670 · Series 902 (models 6**) · Series 903 (models 6**) · Series 904 (models 6**) · Series 905 (models 6**) · Series 906 · Series 907 · Series 910 · Series 949 · Series 950 (models 5**, 6**) · Series 952 (models 6**) · Series 956 · Series 957 (models 38*, 5**, 6**) · Series 963 · Series 967 · Series 970 · Series 972 · Series 975 · Series 976

EinPAS 17 Drivetrain/axle › 17.20 Transmission › 17.20.1 Basic information — Series 470 · Series 471 · Series 636 · Series 639 · Series 668 · Series 670 · Series 902 (models 6**) · Series 903 (models 6**) · Series 904 (models 6**) · Series 905 (models 6**) · Series 906 · Series 907 · Series 910 · Series 949 · Series 950 (models 5**, 6**) · Series 952 (models 6**) · Series 956 · Series 957 (models 38*, 5**, 6**) · Series 963 · Series 967 · Series 970 · Series 972 · Series 975 · Series 976

Also applies to engines/gearboxes: 700 42*, 700 750, 700 770, 722 3**, 722 4**, 722 5**, 722 6**, 722 8**, 722 9**, 723 3**, 723 6**, 723 68*, 724 0**, 724 1**, 724 2**, 725 0**, 725 1**

AH27.19-P-0001-01NKB

Notes on automatic transmission

Transmission

700.42

Transmission

700.750 in model 910

Transmission

700.770 in model 470, 471

Transmission

722.3/4/5/6/8/9

Transmission

722.6 in model 636, 639

Transmission

722.6 in model 902.6, 903.6, 904.6, 905.6

Transmission

722.6 in model 906.1/2/6/7

Transmission

722.9 in model 906, 907

Transmission

723.3 in model 668, 670

Transmission

723.6 in model 949, 950.5/6, 952.6, 957.38/5/6

Transmission

723.6 in model 956, 963

Transmission

723.6 in model 967

Transmission

723.6 in model 970, 972, 975, 976

Transmission

723.68

Transmission

724.0/1/2

Transmission

725.0 in model 907

Transmission

725.0/1

Transmission

725.0

Absolute cleanliness is essential when working on the transmission. Before opening the hydraulic circuit, thoroughly clean the area surrounding the separation point. Only lint-free cleaning cloths may be used. Even the smallest dirt particles in the hydraulic components can lead to malfunctions and a total failure of the transmission.

For repairs always wear oil-resistant, fiber-free gloves which are lined with rubber.

The transmission components should be stored in clean surroundings. Here we recommend covering the components or storing them in a clean plastic box with a cover.

Only on transmission 700.750 in model 910, transmission 722.6 in model 636, 639, transmission 722.6 in model 902.6, 903.6, 904.6, 905.6, transmission 722.6 in model 906.1/2/6/7, transmission 722.9 in model 906, 907, transmission 723.3 in model 668, 670, transmission 723.6 in model 949, 950.5/6, 952.6, 957.38/5/6, transmission 723.6 in model 956, 963, transmission 723.6 in model 967, transmission 723.6 in model 970, 972, 975, 976, transmission 723.68, transmission 725.0 in model 907, transmission 725.0 in model 447, 448
If the transmission oil is burnt or contains abrasive particles, the oil cooler must be flushed out or replaced to prevent malfunctions or transmission damage.
If too much automatic transmission fluid is added it must then be drained off, otherwise the automatic transmission may be damaged.
An increase in the transmission oil level may be the result of unwanted addition of coolant. This could be for the following reasons:
– Leakage on oil cooler,
– O-rings between oil cooler and transmission housing brittle or leaky.

Only on transmission 722.6 in model 636, 639, transmission 722.6 in model 902.6, 903.6, 904.6, 905.6, transmission 722.6 in model 906.1/2/6/7, transmission 722.9 in model 906, 907, transmission 723.3 in model 668, 670, transmission 723.6 in model 949, 950.5/6, 952.6, 957.38/5/6, transmission 723.6 in model 956, 963, transmission 723.6 in model 967, transmission 723.6 in model 970, 972, 975, 976
The hot measuring range on an automatic transmission at operating temperature (70   to 90°C) is decisive for determining the correct oil level which, in turn, guarantees trouble-free operation of the automatic transmission.

Only on transmission 700.750
The hot measuring range on an automatic transmission at operating temperature (35 to 45 °C) is decisive for determining the correct oil level which, in turn, guarantees trouble-free operation of the automatic transmission.
After replacing the oil cooler, the transmission oil temperature must be  80 °C to determine the correct oil level.

Only on transmission 725.0 in model 907
The hot measuring range on an automatic transmission at operating temperature (50 °C) is decisive for determining the correct oil level which, in turn, guarantees trouble-free operation of the automatic transmission.

Only on transmission 725.0 in model 447, 448
The hot measuring range on an automatic transmission at an operating temperature (40 °C) is decisive for determining the correct oil level which, in turn, guarantees trouble-free operation of the automatic transmission.