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Automatic Transmission
System Description (cont'd)
Power Flow (cont'd)
in B or E position, the o p t i m u m gear is automatically selected f r o m the 1st, 2nd, 3rd, and 4th gears, according to
conditions such as the balance between the throttle opening (engine loading) and vehicle speed.
B or IB Position in 1st gear and 0D Position
• Hydraulic pressure is applied t o the 1st clutch, t h e n the 1st clutch engages the secondary shaft 1st gear w i t h the
secondary shaft.
• The mainshaft idler gear drives the secondary shaft via the countershaft idler gear and secondary shaft idler gear.
• The secondary shaft 1st gear drives the countershaft 1st gear and the countershaft.
• Power is transmitted to the final drive gear, w h i c h in turn drives the final driven gear.
T O R Q U E C O N V E R T E R
M A I N S H A F T I D L E R G E A R
F I N A L D R I V E G E A R
M A I N S H A F T
C O U N T E R S H A F T
I D L E R G E A R
C O U N T E R S H A F T
S E C O N D A R Y S H A F T
S E C O N D A R Y S H A F T
I D L E R G E A R
F I N A L D R I V E N G E A R
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Table of Contents
Troubleshooting
