Section 10 (Automatic Transaxle System): Description

WARNING: This page is about a different car, the 2007 Kia Optima, 2007 Kia Magentis, 2006 Kia Optima, and 2006 Kia Magentis. However, it is still accessible from the selected car via links, so may be relevant.

Structure & Technical highlights

Fig 1: Sectional View Of Automatic Transaxle
Courtesy of KIA MOTORS AMERICA, INC.
Variable Line Pressure Control
- Description
  - Form the most suitable line pressure according to the vehicle driving condition
- Special Features
  - VFS (Variable Force Solenoid) valve (For varying line pressure)
  - Reducing valve added (Stabilize control pressure during shifting)
- Effects
  - Improved power transmission efficiency and fuel consumption
    
    Fig 2: Pressure Graph
    Courtesy of KIA MOTORS AMERICA, INC.
Case/Housing intensity reinforced
- Description
  - Case/Housing intensity reinforced
- Special Features
  - Converter hosing intensity reinforced (Ribs added and thickness increased)
  - Most suitable stiff reinforcement through analyzing
- Effects
  - Intensity increased and banding vibration decreased
  - NVH Performance improvement
Flat torque converter
- Description
  - Apply a flat type torque converter
- Special Features
  - Torque converter width decreased
  - Maximum torque increased
  - Blade design through three-dimensional
  - flow analysis
- Effects
  - Full length reduction
  - Weight reduction