Remove/install return line from integrated oil cooler to automatic transmission

AR27.55-D-0604WE

Remove/install return line from integrated oil cooler to automatic transmission

18.07.2019

Transmission

722.9 in model 906

1

Feed line from automatic transmission to hose connection of feed line on oil cooler

2

Feed line on oil cooler

3

Return line from integrated oil cooler to automatic transmission

4

Return line from oil cooler to integrated oil cooler

7

Oil cooler

8

Radiator

9

Retaining clamps

10

Double clamp

 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

Notes on automatic transmission

AH27.19-P-0001-01NKB



Remove

1

Lift/jack up vehicle

AR00.60-D-1000H

2

Detach return line from integrated oil cooler to automatic transmission (3) from radiator (8)

Transmission 722.9 in model 906 with engine 642
Transmission 722.9 in model 906 with engine 651

AR27.55-D-0100-01US

 Record plug

*129589009100

3

Detach return line from integrated oil cooler to automatic transmission (3) from automatic transmission

AR27.10-D-0502-01W

 Record plug

*129589009100

4

Release return line from integrated oil cooler to automatic transmission (3) from retaining clamps (9) and remove downwards



Install

5

Insert return line from integrated oil cooler to automatic transmission (3) from below and fasten in retaining clamps (9)

6

Attach return line from integrated oil cooler to automatic transmission (3) to automatic transmission

AR27.10-D-0502-01W

 Bolt, oil line to transmission housing

*BA27.55-N-1002-01I

 Bolt, dual clamp to oil line

*BA27.55-N-1004-01I

 Record plug

*129589009100

7

Attach return line from integrated oil cooler to automatic transmission (3) to radiator (8)

Transmission 722.9 in model 906 with engine 642
Transmission 722.9 in model 906 with engine 651

AR27.55-D-0100-01US

 Record plug

*129589009100

8

Check oil level in A/T and correct if necessary

Transmission 722.9 in model 906Transmission without guide tube for oil dipstick

AR27.00-D-0270WE

9

Lower vehicle

10

Check oil level in A/T and correct if necessary

Transmission 722.9 in model 906Transmission with guide tube for oil dipstick

AR27.00-D-0101WE



Check

 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

11

Check return line from integrated oil cooler to automatic transmission (3) and its connecting points for leaks with engine running

 Transmission oil cooling

Number

Designation

Transmission 722.9

BA27.55-N-1002-01I

Bolt, oil line to transmission housing

Banjo bolt

Stage 1

Nm

5

Stage 2

°

90

Hexalobular bolt

Nm

12

 Transmission oil cooling

Number

Designation

Transmission 722.9

BA27.55-N-1004-01I

Bolt, dual clamp to oil line

Nm

8