Kia Optima Hybrid: Automatic Transaxle System / Specifications

Specifications
Item
Specifications
Transmission type
A6MF2H
Engine model
Gasoline  2.4
Torsion damper
DMF Type long travel
Torsion damper size
O 281.4 mm (11.0787 in.)
Engine clutch
Multi disc wet clutch
Oil pump system
Parachoid
Friction elements
Clutch: 2EA
Brake: 3EA
OWC : 1EA
Planetary gear
 3EA
Gear ratio
1st
4.212
2nd
2.637
3rd
1.800
4th
1.386
5th
1.000
6th
0.772
Reverse
3.385
Final gear ratio
3.320
Fluid pressure balance piston
2EA
Accumulator
4EA
Solenoid valve
8EA (VFS:6EA, ON/OFF:2EA)
Shift lever position
 4 Range (P,R,N,D)
Oil filter
 1EA

VFS: Variable Force Solenoid
Sensors
Input Speed Sensor
Type: Hall effect sensor
Specifications
Operation condition (°C)°F
((-)40 ~ 150)) -40 ~ 302
Air gap(mm)in.
(0.95 ~ 1.55)0.950 ~ 1.55
Output voltage(V)
High
0.3 ~ 7.5
Low
0.7 ~ 1.4

Output Speed Sensor
Type: Hall effect sensor
Specifications
Operation condition (°C)°F
((-)40 ~ 150)) -40 ~ 302
Air gap(mm)in.
(0.25 ~ 1.90)
0.098 ~ 0.0748
Output voltage(V)
High
0.3 ~ 7.5
Low
0.7 ~ 1.4

Oil Temperature Sensor
Type: Negative thermal coefficient type
Specifications
Temp.(°C)°F
Resistance (k?)
(-40)-40
46.8
(-20)-4.0
15.6
(0)32.0
5.88
(20)68.0
2.51
(40)104.0
1.17
(60)140.0
0.59
(80)176.0
0.32
(100)212.0
0.18
(120)248.0
0.11
(140)284.0
0.07
(165)329.0
0.43

Inhibiter Switch
Type: Combination of output signals from 4 terminals
Specifications
Power supply (V)
12
Output type
Combination of output signals 

Electric Oil Pump (EOP)
Specifications
Pump
Pumping capacity
About 6.46cc per one revolution
Type
Internal gear
Motor
Type 
Brushless DC motor (3 phases)
Torque 
Rated 1.5 N.m
Speed range
100 ~ 2,500 rpm

Oil Pump Unit (OPU)
Specifications
Operating voltage (V)
12
 Current
15 ~ 20A (normal), 30A

Solenoid Valves
Direct control VFS [26/B, E/C]
Control type : Normal low type
Control Pressure kpa
(kgf/cm?, psi)
9.81 ~ 500.14
(0.1 ~ 5.1,1.42 ~ 72.54)
Current value (mA)
50 ~ 850
 Internal resistance (?)
5.1

Direct control VFS [UD/B, OD/C, 35R/C]
Control Type : Normal high type
Control Pressure kpa
(kgf/cm?, psi)
500.14 ~ 9.81
(5.1 ~ 0.1,72.54 ~ 1.42)
Current value (mA)
50 ~ 850
 Internal resistance (?)
5.1

Line Pressure Control VFS
Control type : Normal high type
Control Pressure kpa
(kgf/cm?, psi)
500.14 ~ 9.81
(5.1 ~ 0.1,72.54 ~ 1.42)
Current value (mA)
50 ~ 850
 Internal resistance (?)
5.1

ON/OFF Solenoid Valve (SS-A, SS-B)
Control type : Normal low type
Control pressure kpa
(kgf/cm?, psi)
490.33(5.0, 71.12)
 Internal resistance (?)
10 ~ 11

Solenoid Valve Operation Table
Range
VFS
On-Off
UD
OD
35R
26
EC
SSA
SSB
Normal High
Normal Low
P/N
?
?
?
?
HCU control
?
?
R
?
?
?
?
?
?
S
1ST
?
?
?
?
?
?
D
1ST
?
^
?
?
?
?
D/S
2ND
?
?
?
?
?
?
3RD
?
?
?
?
?
?
4TH
?
?
?
?
?
?
5TH
?
?
?
?
?
?
6TH
?
?
?
?
?
?

Failsafe of solenoid valve failure: 4th gear hold.
   
? : Solenoid is energized.
^ : ON (8 kph ^), OFF (6 kph v)
Clutch & Brake Operation Table
Range 
Clutch
Brake
OD/C
35R/C
OWC
LR/B
UD/B
26/B
P/N
?
?
?
?
?
?
R
?
?
?
?
?
?
S
1
?
?
?
0
?
?
D
1
?
?
?
0
?
?
D/S
2
?
?
?
?
?
?
3
?
?
?
?
?
?
4
?
?
?
?
?
?
5
?
?
?
?
?
?
6
?
?
?
?
?
?

?: Operated state
0: Operated at vehicle speed below 5km/h
Tightening Torques
Item
 N.m
 Kgf.m
 lb-ft
TCM installation mounting bolt
9.8 ~ 11.8
1.0 ~ 1.2
7.2 ~ 8.7
Shift cable bracket mounting bolt
14.7 ~ 21.6
1.5 ~ 2.2
10.8 ~ 15.9
Input shaft speed sensor mounting bolt
9.8 ~ 11.8
1.0 ~ 1.2
7.2 ~ 8.7
Output shaft speed sensor mounting bolt
9.8 ~ 11.8
1.0 ~ 1.2
7.2 ~ 8.7
Shift lever assembly bolt
8.8 ~ 13.7
0.9 ~ 1.4
9.4 ~ 10.8
Inhibitor switch mounting bolt
9.8 ~ 11.8
1.0 ~ 1.2
7.2 ~ 8.7
ATF warmer
9.8 ~ 11.8
1.0 ~ 1.2
7.2 ~ 8.7
Valve body cover mounting bolt
13.8 ~ 15.7
1.2 ~ 1.4
10.1 ~ 11.6
Eyebolt
2.9 ~ 4.9 
0.3 ~ 0.5
2.2 ~ 3.6
ATF drain plug
34.3 ~ 44.1
3.5 ~ 4.5
25.3 ~ 32.6
Automatic transaxle upper mounting bolt (TM=>Eng)
42.2 ~ 53.9
4.3 ~ 5.5
31.1 ~ 39.8
Automatic transaxle lower mounting bolt (Eng=>TM)
42.2 ~ 48.1
4.3 ~ 4.9
31.1 ~ 35.4
42.2 ~ 53.9
4.3 ~ 5.5 
31.1 ~ 39.8
Automatic transaxle support bracket bolt
107.9 ~ 127.5
11.0 ~ 13.0
79.6 ~ 94.0

Lubricants
Item 
Specified lubricant 
Quantity 
Transaxle fluid 
ATF SP-? or equivalent
6.0L(1.59 U.S gal., 6.34 U.S.qt., 5.28 Imp.qt.)

High Voltage Shut-off Procedures

High Voltage Shut-off Procedures     Be sure to read and follow the “General Safety Information and Caution” before doing any work related with the high voltage system. Failure to follow ...

Special Service Tools

Special Service Tools Tools Name / NumberIllustrationDescription Engine support fixture 09200-3N000Removal and installation of the transaxle(? Permit operating with 09200-38001)Oil seal installerA: 09452-26100 ...

Other information:

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Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: 35R Clutch Control Solenoid Valve (35R/C_VFS) Repair procedures


Inspection 1. Turn ignition switch OFF. 2. Remove the air duct (A). Tightening torque: 7.8 ~ 9.8 N.m (0.8 ~ 1.0 kgf.m, 5.8 ~ 7.2 lb-ft) 3. Remove the air cleaner assembly. (1) Disconnect the breather hose (A). (2) Disconnect the air intake hose (B) and then remove the air cleaner assembly (C). Tightening ...

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