freightliner 108SD 2021 - Page 65

10. Install six capscrews in each cover, and torque
the bolts 38 to 44 lbf·ft (51 to 61 N·m).
11. Install a new drain plug O-ring, and install the
drain plug. Tighten the drain plug 18 to 24 lbf·ft
(25 to 32 N·m).
NOTE: Fluids meeting specification TES 295 are
preferred over TES 389 fluids for use in Allison
3000 and 4000 family transmissions. See the
Allison Transmission website (
www.allison-
transmission.com
) for a list of approved trans-
mission fluids and usage recommendations.
12. Refill the transmission with fresh transmission
fluid. Use only a fluid that meets Allison Trans-
mission specification TES 295 or TES 389. Cas-
trol TranSynd® is a TES 295 fluid available
through Allison distributors and dealerships. See
Table 4 for lubricant refill capacities.
Lubricant Refill Capacities, Allison 3000 and 4000
Family Transmissions
*
Family Sump Size Capacity : qt (L)
3000
4 Inch 19 (18)
2 Inch 17 (16)
4000
4 Inch 39 (37)
†
2 Inch 31 (30)
†
*
Quantities listed are approximate. Add listed amount of fluid, then perform
a "hot check" and add fluid as needed. Do not overfill.
†
Add 3 qt (2.8 L) for transmissions with PTO.
Table 4, Lubricant Refill Capacities, Allison 3000 and
4000 Family Transmissions
13. Check and adjust the fluid level using the appro-
priate Allison Transmission procedures in MOP
26–01
.
Transmission26
108SD and 114SD Maintenance Manual, May 201626/6