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TRANSMISSION AND CLUTCH PREVENTIVE MAINTENANCE
– 238 – Y53-6033
Regional Haul (R05/10)
Automatic Transmission Oil Level
NOTE: The vehicle must be parked on level
ground.
Maintain the oil level and check it daily. Oil should be up to
the “HOT” mark on the dipstick when (1) the engine is run-
ning, (2) the transmission is at operating temperature, and
(3) the transmission is in Neutral. See the Transmission
Operator's Manual in the glove compartment for more
information on checking the transmission oil level.
Table 10 Transmission Lubrication — Automatic transmissions
MODEL
RECOMMENDED
LUBRICANTS
AMBIENT
TEMPERATURE RANGE
VISCOSITY (SAE)
DEG. C DEG. F
ALLISON TranSynd (Castrol)
Above -23 Above -10 10W