CPC F16H 57/0447 (2013.01) [B60B 35/16 (2013.01); B60K 17/36 (2013.01); B60K 23/08 (2013.01); F16H 57/0434 (2013.01); B60B 2900/561 (2013.01); F16H 57/0483 (2013.01)] | 15 Claims |
1. A method for operation of a vehicle system, comprising:
operating an electric valve in a first position that feeds oil into an axle sump through a second oil passage at a lower rate while a tandem axle operates under a first condition, wherein the second oil passage fluidly connects the axle sump and an external reservoir; and
operating the electric valve in a second position that feeds oil into the axle sump through the second oil passage at a higher rate while the tandem axle operates under a second condition;
wherein the vehicle system includes a first oil passage with a pump coupled thereto and fluidly coupled to the axle sump and the external reservoir.
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