Toyota
Dodge Durango
 Service Manual
Transmission and Transfer Case » Description and operation
Oil pump

DESCRIPTION

The oil pump (Fig. 17) is located in the pump housing inside the bell housing of the transmission case.

The oil pump consists of an inner and outer gear, a housing, and a cover that also serves as the reaction shaft support.

OPERATION

As the torque converter rotates, the converter hub rotates the inner and outer gears. As the gears rotate, the clearance between the gear teeth increases in the crescent area, and creates a suction at the inlet side of the pump. This suction draws fluid through the pump inlet from the oil pan. As the clearance between the gear teeth in the crescent area decreases, it forces pressurized fluid into the pump outlet and to the valve body.

    More about «Description and operation»:

    42/44 Re transmission

    Fluid

    Torque converter

    Oil pump

    Valve body

    Accumulator

    Pistons

    Front clutch

    Rear clutch

    Overdrive clutch

    Overrunning clutch

    Planetary gearset

    Bands

    Servos

    Gearshift mechanism

    Converter drainback valve

    Powertrain control module (pcm)

    Electronic governor

    Governor pressure curves

    Overdrive off switch

    Dodge Durango Service Manual / Transmission and Transfer Case / Description and operation / Oil pump

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