freightliner M2 Plus Maintenance Manual page 96

35
Detroit Drive Axle Lubricants
IMPORTANT: Lubricant used in Detroit rear axles must
meet Mercedes-Benz specification 235.8 (synthetic).
Mobil Delvac 1 Gear Oil 75W-90 meets this specification.
Type Ambient Temperature
Synthetic Oil –40°F (–40°C) and up
*
Detroit rear axles do not require the use of friction modifiers.
†
There is no upper limit on the ambient temperature.
Table 1, Detroit Drive Axle Lubricants
Detroit Rear Axle Lubricant Capacity (Hubs Full)
Axle
Forward-Rear, Model 4
Single and Rearmost Tandem,
Model 4
Single, Model 2
*
These values assume the wheel ends are properly lubricated. Actual oil
capacity might vary slightly depending on gear ratio.
Table 2, Detroit Rear Axle Lubricant Capacity
Meritor
1. Clean the oil fill hole plug located in the carrier or
the side of the axle housing and the area
surrounding it. See
NOTE: Some Meritor axles have a small tapped
and plugged hole located below the housing oil
fill hole. This smaller hole is for the lubricant
temperature sensor only and must not be used
as a fill or level hole.
Lubricant Type
Hypoid Gear Oil API Service
Classification GL–5
35/2
*
SAE
Viscosity
Grade
†
75W–90
Oil Capacity:
Quarts (liters)
*
14.3 (13.5)
*
10.6 (10.0)
*
5.8 (5.5)
Fig. 2. Remove the plug.
Meritor Drive Axle Recommended Lubricant
Ambient Temperature
10°F (–12.2°C) and up
–15°F (–26.1°C) and up
–40°F (–40°C) and up
–40°F (–40°C) to 35°F (2°C)
–40°F (–40°C) and up
2. When the vehicle is on level ground, the
lubricant must be level with the bottom of the oil
fill hole. If low, add lubricant. See
approved axle lubricants and see
Table 5 for axle capacities.
2
10/05/2016
1. Axle Housing Breathers
2. Carrier Oil Fill Plugs
3. Interaxle Differential
Fig. 2, Fill Hole Plug and Axle Housing Breather
35–02 Axle Breather Checking
The axle housing breather must remain clean. See
Fig. 2. When the axle lubricant level is checked,
check that the axle breather is open. Check more
often under poor operating conditions. If the breather
is plugged, clean it or replace it as needed.
Viscosity Grade
*
85W–140
*
80W–90
*
75W–90
75W
* 75W–140
Business Class M2 Plus Maintenance Manual, 02/10/2023
Rear Axle
Table 3
Table 4
1
3
Locations
Meritor Specification
0–76–A
0–76–D
0–76–E
0–76–J
0–76–L
for
or
f350062a