Kia Sedona (2008 year). Manual - part 86

Fig. 2: Variable Line Pressure Control System Chart 
Courtesy of KIA MOTORS AMERICA, INC. 



Converter housing intensity reinforced (Ribs added and thickness increased)  



Most suitable stiff reinforcement through analyzing  



Effects 



Intensity increased and banding vibration decreased  



NVH Performance improvement  

5. New frictional material 



Description 



Apply new frictional material for capacity and durability improvement  



Special Features 



SSP (Single Sided Plate) applied only on overdrive clutch and 2nd brake  



Apply the next generation frictional material (BWA 6100/D 0880-88)  



Effects 



Thermal absorption capacity improvement  



Energy capacity and durability improvement  

MECHANICAL SYSTEM 

CLUTCHES AND BRAKES FOR EACH RANGE 

CLUTCH AND BRAKE RANGE 

 

2008 Kia Sedona EX 

2008 TRANSMISSION Automatic Transaxle System - Sedona

  

Microsoft 

 

Monday, May 24, 2010 3:47:52 PM

Page 3 

© 2006 Mitchell Repair Information Company, LLC. 

FUNCTIONS OF CLUTCHES AND BRAKES 

CLUTCH AND BRAKE FUNCTION CHART 

AUTOMATIC TRANSAXLE HYDRAULIC CIRCUIT 

P/N 

Application

UD 

Clutch

OD 

Clutch

2ND 

Brake

LR 

Brake

REV 

Clutch

RED 

Brake

DIR 

Clutch

OWC1 OWC 2

P

-

-

-

o

-

o

-

-

-

R

-

-

-

o

o

o

-

-

-

N

-

-

-

o

-

o

-

-

-

D

1st

o

-

-

o

-

o

-

•

•

2nd

o

-

o

-

-

o

-

-

•

3rd

o

o

-

-

-

o

-

-

•

4th

-

o

o

-

-

o

-

-

•

5th

-

o

o

-

-

-

o

-

-

•: Locked when driving

Element

Sign

Function

Underdrive clutch

UD

Connect the input shaft with the underdrive sun gear

Reverse clutch

REV

Connect the input shaft with the reverse sun gear

Overdrive clutch

OD

Connect the input shaft with the overdrive carrier

Direct clutch

DIR

Connect the direct sun gear with the direct carrier

Low & Reverse brake

LR

Fix the planetary gear and the overdrive carrier

2nd brake

2ND

Fix the reverse sun gear

Reduction brake

RED

Fix the direct sun gear

One way clutch 1

OWC 1

Control the rotational direction of the low & reverse 
ring gear

One way clutch 2

OWC 2

Control the rotational direction of the direct sun gear

 

2008 Kia Sedona EX 

2008 TRANSMISSION Automatic Transaxle System - Sedona

  

Microsoft 

 

Monday, May 24, 2010 3:47:52 PM

Page 4 

© 2006 Mitchell Repair Information Company, LLC. 

Fig. 3: Automatic Transaxle Hydraulic Circuit Diagram - P/N 
Courtesy of KIA MOTORS AMERICA, INC. 

D (1 RANGE) 

 

2008 Kia Sedona EX 

2008 TRANSMISSION Automatic Transaxle System - Sedona

  

Microsoft 

 

Monday, May 24, 2010 3:47:52 PM

Page 5 

© 2006 Mitchell Repair Information Company, LLC. 

Fig. 4: Automatic Transaxle Hydraulic Circuit Diagram - D (1 Range) 
Courtesy of KIA MOTORS AMERICA, INC. 

D (2 RANGE) 

 

2008 Kia Sedona EX 

2008 TRANSMISSION Automatic Transaxle System - Sedona

  

Microsoft 

 

Monday, May 24, 2010 3:47:52 PM

Page 6 

© 2006 Mitchell Repair Information Company, LLC.