Check oil level in automatic transmission and add oil if necessary

AR27.00-D-0101WE

Check oil level in automatic transmission and add oil if necessary

18.07.2019

Transmission

722.9 in model 906

Transmission with guide tube for oil dipstick

Modification notes

08.11.2018

Automatic transmission fluid ATF

Transmission 722.9

BF27.00-N-1001-01A

1

Locking pin

2

Plug

3

Oil dipstick

A

Measuring marks 9.5 and 11

B

Measuring marks 3.5 and 5

 Warning

Risk of burns and scalding when handling hot fluids and components they come into contact with. Risk of injury to skin and eyes when handling hot fluids.

Wear protective gloves, protective clothing and safety glasses, if necessary. Pour hot fluids in suitable containers only.

AS00.00-Z-0033-01A

 Warning

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

Notes on automatic transmission

AH27.19-P-0001-01NKB



Check

1

Park vehicle.


Park the vehicle aligned horizontally in the longitudinal and transverse direction.
Otherwise measurement errors can occur which can result in malfunctions and transmission damage.

2

Remove locking pin (1).

 Break off the plate of the locking pin (1) using a screwdriver and push out the pin remaining in the plug (2) in a downward direction.

3

Remove plug (2).

4

Pour in transmission oil via guide tube.

After opening transmission oil circuit or after replacing or repairing automatic transmission.



Automatic transmission fluids (ATF) (specification 236.15)

BB00.40-P-0236-15A


Observe the Specifications for Operating Fluids and use only approved transmission oils.
Otherwise malfunctions and transmission damage can occur.

 Automatic transmission fluid ATF

*BF27.00-N-1001-01A

 Funnel

*126589126300

After replacement of automatic transmission



Pour in 10 l of transmission oil.

After opening oil circuit or repairing automatic transmission



Pour in quantity of transmission oil drained previously plus an additional 0.5 l of transmission oil.

5

Connect vehicle diagnosis system and check transmission oil temperature.



AD00.00-D-2000-04SD


The transmission oil level should only be checked at a transmission oil temperature of 35 °C (95 °F) or 75 °C (167 °F). It is also essential to observe all of the transmission oil temperatures specified below.
Otherwise malfunctions and transmission damage can occur.

6

Heat up transmission oil to 90 °C (194 °F).

After opening transmission oil circuit.

 Shift the automatic transmission to selector lever position "P" and keep the engine speed at 2500 rpm.

 The thermostat of the automatic transmission oil cooler opens at 90 °C (194 °F), and the automatic transmission oil cooler is filled and bled.

7

Allow transmission oil to heat up or cool down to 35 °C (95 °F) or 75 °C (167 °F).

To heat up transmission oil



Shift the automatic transmission to selector lever position "P" and keep the engine speed at 2500 rpm.

To cool down transmission oil



Switch off engine.

8

Check transmission oil temperature.


The transmission oil level should only be checked at a transmission oil temperature of 35 °C (95 °F) or 75 °C (167 °F).
Otherwise malfunctions and transmission damage can occur.

9

Start engine.

 Leave the automatic transmission at selector lever position "P" and the engine running at idle speed.

10

Insert oil dipstick (3) into oil dipstick tube up to end stop, pull out and read off oil level.



Automatic transmission fluids (ATF) (specification 236.15)

BB00.40-P-0236-15A


The transmission oil level should only be checked at a transmission oil temperature of 35 °C (95 °F) or 75 °C (167 °F).
Otherwise malfunctions and transmission damage can occur.


Observe the Specifications for Operating Fluids and use only approved transmission oils.
Otherwise malfunctions and transmission damage can occur.

 At a transmission oil temperature of 35 °C (95 °F), the oil level must be between the measuring marks 3.5 and 5 (B). At a transmission oil temperature of 75 °C (167 °F), the oil level must be between the measuring marks 9.5 and 11 (A).

 Automatic transmission fluid ATF

*BF27.00-N-1001-01A

 Hand pump

*210589007100

 Funnel

*126589126300

 Dipstick

*722589002100

Oil level too low



Pour in transmission oil via guide tube.

Oil level too high



Extract transmission oil via guide tube.

11

Repeat procedure starting with operation step 8.

After pouring in or extracting transmission oil.

12

Switch off engine.

13

Disconnect diagnostic system.



AD00.00-D-2000-04SD

14

Fit plug (2) to filler pipe.

 Check sealing ring on plug (2) for damage and replace if necessary.

15

Install new locking pin (1) in plug (2).

 Automatic transmission

Number

Designation

Transmission 722.9

BF27.00-N-1001-01A

Automatic transmission fluid ATF

Filling capacity - complete refill

Liter

10,0

Filling capacity - oil change

Liter

9,0

Filling capacity, transmission oil change

with torque converter

Liter

9,0

Filling capacity, transmission oil change

without torque converter

Liter

5,5

Sheet

BB00.40-P-0236-15A

Sheet

-

Sheet

-

Sheet

-

Sheet

-