5. Install the wheel assemblies. For instructions,
seeGroup 40 of the Business Class M2 Plus
Workshop Manual for repair procedures.
6. Remove the jack stands and lower the vehicle.
Meritor Calipers
1. Park the vehicle on a level surface, shut down
the engine, and set the parking brake. Chock the
tires.
2. Raise the vehicle and support it on jack stands.
3. Remove all of the wheel assemblies. For
instructions, see Group 40 of the Business Class
M2 Plus Workshop Manual for repair procedures.
4. Set a torque wrench to 350 lbf·ft (475 N·m) and
tighten the caliper mounting bolts following the
tightening pattern shown in
Fig. 13. If they do
not turn, no further work is needed. If they turn,
take the vehicle to an authorized Freightliner
dealer to have all of the caliper bolts on that
wheel end replaced.
5. Install the wheel assemblies. For instructions,
see Group 40 of the Business Class M2 Plus
Workshop Manual for repair procedures.
6. Remove the jack stands and lower the vehicle.
WABCO Maxxus Calipers
1. Park the vehicle on a level surface, shut down
the engine, and set the parking brake. Chock the
tires.
2. Raise the vehicle and support it on jack stands.
3. Remove all of the wheel assemblies. For
instructions, see Group 40 of the Business Class
M2 Plus Workshop Manual for repair procedures.
4. Set a torque wrench to 273 lbf·ft (370 N·m) and
tighten the caliper mounting bolts following the
tightening pattern shown in
Fig. 14. If they do
not turn, no further work is needed. If they turn,
take the vehicle to an authorized Freightliner
dealer to have all of the caliper bolts on that
wheel end replaced.
f422663a10/31/2018
B
A
C
C
D
1
12
2
3
3
5 6 4
4
6
5
D
A. Right-hand brake (viewed from below).
B. Left-hand brake (viewed from below).
C. Sheer sleeve above in this location.
D. Shelf above in this location.
Fig. 12, Bendix Radial Mounted Caliper Tightening Pattern (viewed from below)
Brakes 42
Business Class M2 Plus Maintenance Manual, 02/10/2023 42/13
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