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HOMESERVICE MANUALSMINI2013COOPER COUNTRYMAN, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 170 (TRANSMISSION - OVERVIEW)INTRODUCTIONOVERVIEW OF COMPONENTSPLANETARY GEARSET (RAVIGNEAUX)NOTES
2013 Mini Cooper Countryman, Standard Trans

Planetary Gearset (Ravigneaux): Notes

2013 Mini Cooper Countryman, Standard TransSECTION Notes
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Based on the Ravigneaux design, the A5S 360R planetary gearset is made up of two sections; front & rear. It functions as a single integral assembly with a common planetary carrier and a set of common long planetary gears. See Fig 1 . It consists of the following components:

  • Two separate ring gears.
  • Two separate input sun gears (one front, one rear).
  • One set of three long planetary gears common to both sections (front-rear).
  • One set of three short planetary gears (rear).
  • One set of three short planetary gears (front).
  • One common planetary carrier. See Fig 2 and Fig 3 .
    Fig 1: Identifying Planetary Gearset "Input-Reaction-Output" Chart
    G00317121Courtesy of BMW OF NORTH AMERICA, INC.
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