Automatic Transmission System

Specifications

~6min read

Service Data

Service Data

Automatic Transmission

Item Specification
Transmission Model A8LR1-1
Drive Type 2WD/AWD
Engine THETA II 2.0 T-GDI (Gasoline)
Clutch Type Torque converter
Oil Pump Type Internal gear
Shift Lever Type *SBW / *SBC
Components Oil Filter 1 unit
Grab 4 units
Brake 2 units
Planetary Gear Set 3 units
Solenoid valve SBW: 11 units (direct control *VFS: 6 units, indirect control VFS: 2 units, On/Off: 3 units)
SBC: 9 units (direct control *VFS: 6 units, indirect control VFS: 2 units, On/Off: 1 unit)
Gear ratio 1st 3,665
2nd 2.396
3rd 1.610
4th 1.190
5th 1.000
6th 0,826
7th 0,643
8th 0,556
Provide Regression 2,273
Final gear ratio 3,538

* VFS: Variable Force Solenoid

* SBW: Shift By Wire

* SBC: Shift By Cable

Parking Switch (SBW)

Item Specification
Output type PWM (S1, S2), On/Off (Ps, Ns)
Supply voltage (V) 5 (C1, C2), 12 (Ps, Ns)

Inhibitor Switch (SBC)

Item Specification
Output type PWM
Supply voltage (V) 5

Gauges

Item Specification
Oil Temperature Sensor Type *NTC thermistor
Temp. [(°C)°F] / Resistance (kΩ) (-40)-40/139,5
(-20)-4/47,4
(0)32 / 18,6
(20)68/8,1
(40)104/3,8
(60)140/1,98
(80)176/1,08
(100)212/0,63
(120)248/0,38
(140)284 / 0,25
(150)302/0,16
Speed Sensor (Input, Output) Type Hall Effect Sensor
Operating condition (°C) °F (-40 to 150) -40 to 302
Output voltage (V) High: 1.4
Low: 0.7

*NTC: Negative Temperature Coefficient

Solenoid valves

Item Specification
Direct Control VFS 8LR/B_VFS Control Type N/L (Normally Low)
Control Pressure kPa (kgf/cm², psi) 0–1 569,06 (0–16, 0–227,57)
Current (mA) 0 - 1100
Coil Resistance (Ω) 5,3 ± 0,3
6/C_VFS Control Type N/L (Normally Low)
Control Pressure kPa (kgf/cm², psi) 0–1 569,06 (0–16, 0–227,57)
Current (mA) 0 - 1100
Coil Resistance (Ω) 5,3 ± 0,3
27/B_VFS Control Type N/L (Normally Low)
Control Pressure kPa (kgf/cm², psi) 0–1 569,06 (0–16, 0–227,57)
Current (mA) 0 - 1100
Coil Resistance (Ω) 5,3 ± 0,3
UD/C_VFS Control Type N/L (Normally Low)
Control Pressure kPa (kgf/cm², psi) 0–1 569,06 (0–16, 0–227,57)
Current (mA) 0 - 1100
Coil Resistance (Ω) 5,3 ± 0,3
35R/C_VFS Control Type N/H (Normally High)
Control Pressure kPa (kgf/cm², psi) 0–1 569,06 (0–16, 0–227,57)
Current (mA) 0 - 1100
Coil Resistance (Ω) 5,3 ± 0,3
4&OD/C_VFS Control Type N/H (Normally High)
Control Pressure kPa (kgf/cm², psi) 0–1 569,06 (0–16, 0–227,57)
Current (mA) 0 - 1100
Coil Resistance (Ω) 5,3 ± 0,3
Indirect Control VFS LINE_VFS Control Type N/L (Normally Low)
Control Pressure kPa (kgf/cm², psi) 0–519,75 (0–5,3, 0–75,38)
Current (mA) 0 - 850
Coil Resistance (Ω) 5,1 ± 0,3
D/C_VFS Control Type N/L (Normally Low)
Control Pressure kPa (kgf/cm², psi) 0–519,75 (0–5,3, 0–75,38)
Current (mA) 0 - 850
Coil Resistance (Ω) 5,1 ± 0,3
ON/OFF P Position On/Off (SBW) Control Type ON/OFF
Control Pressure kPa (kgf/cm², psi) 539,36
(5,5, 78,23)
Current (mA) 0 - 600
Coil Resistance (Ω) 10,5 ± 0,5
D Position On/Off (SBW) Control Type ON/OFF
Control Pressure kPa (kgf/cm², psi) 539,36
(5,5, 78,23)
Current (mA) 0 - 600
Coil Resistance (Ω) 10,5 ± 0,5
R Position On/Off (SBW) Control Type ON/OFF
Control Pressure kPa (kgf/cm², psi) 539,36
(5,5, 78,23)
Current (mA) 0 - 600
Coil Resistance (Ω) 10,5 ± 0,5
SS-A (SBC) Control Type ON/OFF
Control Pressure kPa (kgf/cm², psi) 539,36
(5,5, 78,23)
Current (mA) 0 - 600
Coil Resistance (Ω) 10,5 ± 0,5

8LR/B_VFS: 8LR Brake Control Solenoid Valve

6/C_VFS: 6 Clutch Control Solenoid Valve

27/B_VFS: 27 Brake Control Solenoid Valve

UD/C_VFS: Underdrive Clutch Control Solenoid Valve

35R/C_VFS: 35R Clutch Control Solenoid Valve

4&OD/C_VFS: 4 & Overdrive Clutch Control Solenoid Valve

LINE_VFS: Line Pressure Control Solenoid Valve

D/C_VFS: Damper Clutch Control Solenoid Valve

Solenoid Valve Operation Table

UD/C 4&OD/C 35R/S 27/B 8LR/B 6/C ON/OFF ON/OFF ON/OFF
(P) (D) (R)
P ● ●
N ● ● ● ●
1 ● ● ● ●
2 ● ● ● ● ●
3 ● ● ●
4 ● ● ●
5 ●
6 ● ● ●
7 ● ● ●
8 ● ● ●
REV ● ● ● ● ●

Clutch and Brake Table

UD/C 4&OD/C 35R/S 27/B 8LR/B 6/C
P
N ●
1 ● ●
2 ● ●
3 ● ●
4 ● ●
5 ● ●
6 ● ●
7 ● ●
8 ● ●
REV ● ●

Tightening Torque

Tightening torque

Item N·m kgf·m lbf·ft
TCM nut 9,8 - 11,8 1,0 - 1,2 7,2 - 8,7
Electronic Shift Switch Mounting Bolt 8,8 - 13,7 0,9 - 1,4 6,5 - 10,1
Shift lever bracket bolt 8,8 - 13,7 0,9 - 1,4 6,5 - 10,1
Shift Cable Bracket Screw 0,69 - 1,37 0,07 - 0,14 0,51 - 1,01
Parking Release Drive Mounting Bolt 9,8 - 14,7 1,0 - 1,5 7,2 - 10,8
Lock Switch / Parking Switch Mounting Bolt 9,8 - 11,8 1,0 - 1,2 7,2 - 8,7
Shift Lever / Parking Lever Mounting Nut 13,7 - 17,7 1,4 - 1,8 10,1 - 13,0
Torque converter bolt 45,1 - 52,0 4,6 - 5,3 33,3 - 38,3
Transmission Mounting Bolt 42,2 - 53,9 4,3 - 5,5 31,1 - 39,8
34,3 - 46,1 3,5 - 4,7 25,3 - 34,0
39,2 - 46,1 4,0 - 4,7 28,9 - 34,0
Starter motor bolt 49,0 - 63,7 5,0 - 6,5 36,2 - 47,0
Crossmember Mounting Bolt 58,8 - 73,5 6,0 - 7,5 43,4 - 54,2
Crossmember Nut (2WD) 29,4 - 34,3 3,0 - 3,5 21,7 - 25,3
Crossmember Nut (4WD) 63,7 - 83,4 6,5 - 8,5 47,0 - 61,5
Parking Cable Bolt 12,7 - 15,7 1,3 - 1,6 9,4 - 11,6
Shift Cable Mounting Nut 9,8 - 14,7 1,0 - 1,5 7,2 - 10,8
ATF drain plug 22,6 - 24,5 2,3 - 2,5 16,6 - 18,1
ATF Level Plug 22,6 - 24,5 2,3 - 2,5 16,6 - 18,1
ATF Injection Plug 34,3 - 44,1 3,4 - 4,5 25,3 - 32,5
Valve body cover bolt 13,7 - 15,7 1,4 - 1,6 10,1 - 11,6
Valve body mounting bolt 9,8 - 11,8 1,0 - 1,2 7,2 - 8,7
Electronic Module Mounting Bolt 9,8 - 11,8 1,0 - 1,2 7,2 - 8,7
Indirect Control Solenoid Valve Bracket Mounting Bolt 9,8 - 11,8 1,0 - 1,2 7,2 - 8,7
Direct Control Solenoid Valve Bracket Mounting Bolt 11,8 - 13,7 1,2 - 1,4 8,7 - 10,1
EOP Mounting Bolt 19,6 - 25,5 2,0 - 2,6 14,5 - 18,8
OPU Mounting Nut 19,6 - 25,5 2,0 - 2,6 14,5 - 18,8
ATF warmer mounting bolt 9,8 - 11,8 1,0 - 1,2 7,2 - 8,7

Lubricants

Lubricants

Item Recommended Capacity
ATF - ATF SP-IV-RR
• Recommended transmission fluid: GS CALTEX ATF SP-IV-RR, Kia Genuine ATF SP-IV-RR
9.2 L (2.43 US gal, 9.72 US qt, 8.10 Imp qt)

Test yourself

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