Separate/connect transmission oil line - AR27.10-P-0501-03RT

Fig 1: Identifying Set Of Stop Plugs (129 589 00 91 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Remove retaining clamp on connector

The area surrounding the separation point should be cleaned thoroughly before opening the hydraulic system. Even minute particles of dirt in the hydraulic components can result in malfunctions and total failure of the hydraulic system.

Detach dust cap (3) and push back along the transmission oil line (1) until the connector (2) is accessible.
Using a suitable tool attach at one end of the safety clip (2a), detach this from the connector (2) and pull transmission oil line (1) out of the connector (2).
Seal off line connections using plugs.
Detach dust cap (3) from transmission oil line (1).

Fig 2: Identifying Retaining Clamp On Connector
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Attach retaining clamp to connector

The safety clamp (2a) must be replaced after every disconnection of a transmission oil line (1).
Insert safety clip (2a) in a recess (2b) of the connector (2), then push in the direction of the arrow until the safety clip (2a) latches fully in the connector (2).

Fig 3: Attaching Retaining Clamp To Connector
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

The safety clip (2a) must not be pushed straight over the connector (2) otherwise this will be overstretched and correct sealing of the line connector is no longer guaranteed.

Fig 4: Caution For Attaching Retaining Clamp To Connector
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Attach transmission oil line to connector
Push dust cap (3) onto transmission oil line (1).
Introduce transmission oil line (1) straight into the connector (2) until it audibly and noticeably latches.
Push dust cap (3) onto the connector (2).
If the dust cap (3) cannot be pushed over the connecting point then the transmission oil line (1) is not fully latched in the connector (2) or the safety clamp (2a) is overstretched.