S 420 (140.043) V8-4.2L (119.981) (1996)
42. Insert new O-ring (21), then fit on fluid reservoir (35) and attach with bolts (36). Tightening torque 8 Nm.
43. Insert filter set (41), spring (43) and plastic sleeve (60). compress slightly and install new self-locking nut (61). Fit on end cover (45), screw on
breather cap.
44. After installing tandem pump check for proper operation and signs of leaks. Connect pressure gauge, if necessary, and test delivery pressure of the
power circuit. Fill or bleed system.
Procedure Index
NOTE:
For application identification refer to "Steering : Power Steering Pump : Service and Repair : Overhaul Procedures : Application and ID" See:
Overhaul Procedures/Application and ID