190E 2.3 (201.028) L4-2.3L (102.985) (1987)
3.
Remove belt pulley from power steering pump. Unscrew nut behind the power steering pump/A/C compressor bracket from bolt (39). Remove
screws (48 and 48a, Figure 5).
4.
Install modified belt tensioner and sheet metal bracket (47). Grease thread and seat of collar screw M12 x 110 (25) and install. Seat screw and then
back off 1/2 turn again. Screw tensioning nut on tensioning rod (Figure 5).
5.
Attach bracket (47) with longer screws.
39
= M8 x 95
48
= M8 x 45
48a = M8 x 55
Tighten nut on bolt (39) and screws (48 and 48a, Figure 5).
Tightening torque:
21 Nm
6.
Install belt pulley for passenger steering pump. Tighten attachment screw.
Tightening torque:
30 Nm
7.
Attach bracket (29) with shock absorber (28) to belt tensioner. Tighten screws (31, Figure 5) and (34, Figure 4).
Tightening torque:
21 Nm
Install lower engine encapsulation panel.
8.
Beginning with the tensioning pulley (1), install poly-V-belt in the order indicated. Check for proper seating of the belt on the pulley (Figure 6).