Maintenance Intervals And Specifications
Cooling System Refill Capacities
Cooling system refill capacities vary considerably due to
differences in engine models, variations in chassis, and body
options, in addition to the amount of coolant remaining in the
system after draining. Total capacity may range from 6 to 22
gallons (23 to 83 liters).
If system has been drained, fill with fresh 50/50 diluted
concentrate coolant or 50/50 premixed coolant. If the system
has been flushed with water, a significant amount of the
freshwater flush will remain in the system. In this case refilling
with a mixture with a higher percentage (60 to 66 percent) of
coolant concentrate is advised in order to achieve a final mixture
close to 50/50.
Fill the system and run the vehicle until the thermostat opens.
Check the coolant concentration and add additional water or
concentrated undiluted coolant to adjust the concentration. Run
the vehicle and retest.
Crankcase and Oil Filters
For specific engine crankcase capacities, refer to separate
Engine Operation and Maintenance Manual provided with
vehicle.
Power Steering Systems
Steering Gear Power Steering Fluid Volume
(in³/pints/liters)
TAS-85 240/8.4/3.9*
M-100 240/8.4/3.9*
M-100/ M-80 346/12/5.7*
M110 240/8.4/3.9*
M110/M100 346/12/5.7*
M-110/M-90 346/12/5.7*
*Approximaterefill quantity, refer to power steering
reservoir for proper fill marks.
Transfer Case
Model Liters Pints
Dana Spicer® 792 5.2 11
Meritor T-4208,
T-4210, and T-4213
4.3 9
Fabco® TC-38 6.6 14
216 3879634R1
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