Frame
Number | Designation | Model 375.4, 940, 942, 943, 944, 958.4 | |||
BA31.30-N-1002-01A | Bolt, frame sections to frame | M101.5 | Nm | - | |
M121.5 | Nm | 95 | |||
M141.5 | Stage 1 | Nm | 150 | ||
Stage 2 | ° | 90 | |||
M161.5 | Stage 1 | Nm | 225 | ||
Stage 2 | ° | 90 | |||
M181.5 | Stage 1 | Nm | 330 | ||
Stage 2 | ° | 90 | |||
Removal
1 Lift up frame with front axle air suspension to maximum height.
2 Place jack stands under the frame.
W31.30-1022-05
3 Mark installation position of bolts (1) relative to front crossmember (2) by markings.
4 Unscrew bolts (1) on front crossmember (2).
Installation: First screw on all bolts (1), in the process observe markings on the front crossmember (2). Then tighten all bolts (1) to the specified tightening torque .
5 Remove front crossmember (2).
W31.30-1023-05
6 Mark installation position of bolts (3, 4) relative to the rear crossmember (5) by markings.
7 Loosen bolts (3, 4) on rear crossmember (5).
Installation: First screw on all bolts (3, 4), in the process observe the markings on the rear crossmember (5). Then tighten all bolts (3, 4) to the specified tightening torque .
8 Lower the frame with front axle air suspension until the rear crossmember (5) is unstressed.
On vehicles with code (H03) A/C in front end, do not trap the A/C compressor connected to the frame (7), otherwise the A/C compressor (7) will be damaged.
9 Remove bolts (3) on rear crossmember (5).
Do not remove bolt (4).
10 Lower the rear crossmember (5) single-sided to the left in the direction of travel.
Do not damage electrical line (6) and front axle position sensor (B51).
11 Install in the reverse order.