cation, such as Detroit Synth 75W-90. Using lubri-
cant that does not comply with this specification
will result in damage to the transmission. The oil
part number can be found in module 348 in
PartsPro.
6.
Add fluid until it is level with the lower edge of
the fill opening; see
Fig. 3
. See
Table 1
for ap-
proved transmission lubricants, and
Table 2
for
transmission lubricant capacities.
NOTE: In all cases, the correct fluid level is es-
tablished by checking at the fill opening.
7.
Operate the engine for five minutes after filling
the transmission, then check the fluid level again.
8.
Install a new seal on the fill plug, then install the
plug and tighten it 45 lbf·ft (60 N·m).
9.
Operate the vehicle to check for correct
operation.
Detroit Transmission Lubricant
Specification
Example
MB 235.11
Detroit Synth 75W-90
Table 1, Detroit Transmission Lubricant
Detroit Transmission Lubricant Capacities
Transmission Size
Refill Capacity
*
: qt (L)
Small
10.7 (10.1)
Large
15.4 (14.6)
NOTE: Transmission size is represented by the sixth digit
of the model name. An "A" indicates a large transmission,
and "B" indicates a small transmission. For example, a
DT12-DA-1550 is a large transmission.
*
Quantities listed are approximate. Fill transmission until lubricant is level
with bottom of fill hole with vehicle in normal operating position.
Table 2, Detroit Transmission Lubricant Capacities
26–02 Detroit
™
Automated
Transmission Fluid
Level Inspection
NOTICE
Operating a transmission with the fluid level
higher or lower than recommended can result in
transmission damage. Do not overfill the transmis-
sion. Overfilling will force fluid out of the case
through the main shaft openings.
Do not mix types or brands of fluid, because of
possible incompatibility. Do not use fluid addi-
tives, friction modifiers, or extreme-pressure gear
fluids.
With the transmission at operating temperature, and
the vehicle on a level surface, check the fluid level in
the transmission.
1.
Clean the area around the fill plug, then remove
it from the side of the gear case.
2.
Using your finger or a bent pipe cleaner, see if
the fluid is level with the fill opening. See
Fig. 3
.
3.
If the fluid level is low, check the transmission for
leaks, and correct as needed.
NOTICE
Detroit transmissions use synthetic lubricant that
meets the requirements of the MB 235.11 specifi-
cation, such as Detroit Synth 75W-90. Using lubri-
cant that does not comply with this specification
will result in damage to the transmission. The oil
part number can be found in module 348 in
PartsPro.
4.
If needed, add the recommended fluid until it is
level with the lower edge of the fill opening. See
Table 1
for approved transmission lubricants.
5.
Clean the fill plug and install a new seal on it.
Install the plug in the side of the gear case, then
tighten it 45 lbf·ft (60 N·m).
f260006c
11/30/2010
A
B
A. Full
B. Low
Fig. 3, Checking Transmission Fluid Level
Transmission
26
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