freightliner M2 Plus Maintenance Manual page 62

26
5. Remove the magnet from the filter attachment
tube or from the top of the filter element.
6. Clean any metal debris from the magnet. Then,
install the magnet on the filter attachment tube.
7. Using transmission fluid, lubricate the gasket on
the filter.
8. Using your hand, install the filter by turning it
clockwise until the filter gasket contacts the
converter housing or cooler manifold. Then, turn
the filter one more complete turn.
9. Install the drain plug and sealing washer. Tighten
the plug 22 to 30 lbf·ft (30 to 40 N·m).
10. Clean the area around the fill tube and remove
the dipstick. Using a clean funnel in the fill tube,
add transmission fluid. See
transmission lubricants, and
capacities.
11. Check and adjust the fluid level using the
appropriate Allison Transmission procedure in
Group 26.
MD and HD Series
NOTICE
To prevent dirt from entering the transmission,
use only clean containers and fillers for the
transmission fluid. Do not use fillers or containers
that have been used for water or antifreeze. Dirt,
water, or antifreeze could damage the
transmission.
Approved Allison Transmission Lubricants
*
Lubricant Type
All Allison Transmissions
Castrol TranSynd ™ (synthetic)
Dexron® III
*
Lubricants listed in order of preference. Do not mix types of oil.
Table 5, Approved Allison Transmission Lubricants
Allison Transmission Lubricant Capacities
Transmission Model
On-Highway Transmissions
1000/2000/2400 Series (standard sump)
26/8
Table 5 for approved
Table 6 for lubricant
Temperature: °F (°C)
Above –22 (–30)
Above –13 (–25)
*
Fill Capacity:
qt (L)
15 (14)
Allison Transmission Lubricant Capacities
Transmission Model
1000/2000/2400 Series (shallow sump)
HD/MD Series
HD4060/4560 (standard sump)
HD4060/4560 (shallow sump)
MD3060/3066/3560 (standard sump)
MD3060/3066/3560 (shallow sump)
* Quantities listed are approximate. Add the recommended amount of fluid
as listed under fill capacity, then perform a "hot check" and add fluid as
needed. Do not overfill.
†
Add 3 quarts (3 liters) if equipped with a PTO.
Table 6, Allison Transmission Lubricant Capacities
1. Park the vehicle on a level surface and apply the
parking brakes.
2. Operate the vehicle until the transmission
reaches normal operating temperature: 160 to
200°F (71 to 93°C).
3. Clean the area around the drain plug and the
transmission fluid pan. Place a drain pan under
the transmission and remove the drain plug.
Examine the fluid as it drains. If only the filter is
being changed, do not drain the fluid.
4. Remove the 12 mounting bolts (six each) from
the two filter covers.
NOTE: A lot of fluid will drain when the filter
covers are removed.
5. Remove the filter covers, O-rings, and two
square-cut seals from the transmission. See
Fig. 8.
6. Remove the filters from the bottom of the control
module.
7. Lubricate the new O-rings with transmission fluid,
and install them on the cover assemblies.
8. Install a new square-cut seal on each cover
assembly, and install the fluid filter elements on
the cover assemblies.
9. Install the filter and cover assemblies into the
filter compartment.
10. Align each cover assembly with the holes in the
channel plate sump, and push the cover
assemblies in by hand to seat the seals.
Business Class M2 Plus Maintenance Manual, 02/10/2023
Transmission
*
Fill Capacity:
qt (L)
13 (12)
†
36 (34)
†
26 (25)
19 (18)
10.5 (10)