Toyota
Dodge Durango
 Service Manual
Transmission and Transfer Case » Description and operation
Gearshift mechanism

DESCRIPTION

The gear shift mechanism provides six shift positions which are:

  • Park (P)
  • Reverse (R)
  • Neutral (N)
  • Drive (D)
  • Manual second (2)
  • Manual low (1)

OPERATION

Manual low (1) range provides first gear only.

Overrun braking is also provided in this range. Manual second (2) range provides first and second gear only.

Drive range provides first, second third and overdrive fourth gear ranges. The shift into overdrive fourth gear range occurs only after the transmission has completed the shift into D third gear range. No further movement of the shift mechanism is required to complete the 3-4 shift.

The fourth gear upshift occurs automatically when the overdrive selector switch is in the ON position.

No upshift to fourth gear will occur if any of the following are true:

  • The transmission fluid temperature is below 10 C (50 F) or above 121 C (250 F).
  • The shift to third is not yet complete.
  • Vehicle speed is too low for the 3-4 shift to occur.
  • Battery temperature is below -5 C (23 F).
    More about «Description and operation»:

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    Oil pump

    Valve body

    Accumulator

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    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 / Gearshift mechanism

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