TRANSMISSION FLUID CONT AMINA TION

2–7. TRANSMISSION FLUID AND FIL TER CHANGE INTER V ALS

CAUTION: T ransmission fluid and filter change frequency is determined the severity transmission service. More frequent changes may necessary than recommended in the general guidelines when operating conditions create high levels contamination overheating.

Frequency . New vehicles delivered from the OEM with a mixture

Allisonapproved TES 295 fluid and nonapproved fluid, TES 389 Allisonapproved fluid must follow fluid/filter change recommendations outlined in T able 2–2. the customer fills the transmission with Allisonapproved TES 295 fluid TES 295 equivalent, the change recommendations T able 2–2 must followed. Upon the next oil change, if the customer reinstalls Allisonapproved TES 295 fluid, the fluid/filter change recommendations outlined in T able 2–3 may used. The recommendations in T able 2–3 are based upon Allison fluid change procedures and the transmission containing 100 percent Allisonapproved TES 295 fluid. For transmissions that contain a mixture Allisonapproved TES 295 fluid and nonapproved fluids, refer T able 2–2.

NOTE: Fluid Exchanging Machines are not recommended recognized due variation and inconsistencies that may not guarantee removal 100 percent the used fluid.

T able 2–2 through T able 2–3, Recommended Fluid/Filter Change Intervals, is a general guide for fluid and filter change intervals. Allison T ransmission requires initial filter change for the SpinOn Control Main Filter during the first 5000 miles (8000 km) 200 hours, whichever comes first. Refer the Recommended Fluid and Filter Change Intervals schedules for recommendations. The transmission sump filter is permanent and does not require replacement except overhaul. Severe V ocations include armored car , automobile transporter , beverage delivery , food distribution, general freight, line haul, livestock hauler , moving/storage, oneway rental truck, recycling, shorthaul/L TL, and pickup and delivery . Highway Series models are also acceptable for poultrybus applications when truck chassis are utilized. General V ocations include all other vocations. Local conditions, severity operation duty cycle may