Disconnect/Connect Hydraulic Lines On Power Steering Cooler - Ar46.25-D-3020-01SD

ENGINE 642.896/898/992/993, 651.955/956/957 in MODEL 906 up to 12/2/11 

Fig 1: Record Plug (129 589 00 91 00)

Courtesy of MERCEDES-BENZ USA

Fig 2: Hand Pump (210 589 00 71 00)

Courtesy of MERCEDES-BENZ USA

1. Extract power steering fluid out of expansion reservoir using hand pump.
2. Detach hydraulic lines (3) at cooling pipe (1).

   Catch steering gear oil running out. Seal openings with suitable stop plug.

   Tighten screw clamps (2) to ~ 2.5 Nm. Ensure correct seating of hydraulic lines and screw clamps (2). Distance (A) max. 4 mm.

3. Connect in reverse order.

   Courtesy of MERCEDES-BENZ USA