Hyundai Palisade: Automatic Transaxle System (A8LF1) / Specifications

Hyundai Palisade (LX2) 2020-2024 Service Manual / Automatic Transaxle System (A8LF1) / Specifications

Specifications
Item
Specifications
Engine type
Gasoline 3.8GDI
Automatic transaxle type
A8LF1
Clutch type
Torque converter
Drive system
2WD/4WD
Gear ratio
 1st
4.808
2nd
2.901
3rd
1.864
4th
1.424
5th
1.219
6th
1.000
7th
0.799
8th
0.648
Reverse
3.425
Final gear ratio
3.510(2WD)/3.648(4WD)
Elements
 Solenoid valve
 Direct control VFS
5ea
Indirect control VFS
2ea
ON/OFF
 1ea
Clutch & Brake
 Clutch
 4ea
Brake
2ea
Planetary gear
3ea
Oil filter
1ea
ATF
 ATF Grade
 Recommended
Allowed
ATF SP-IV or ATF SP4M-1
SK ATF SP-IV or SP4M-1
MICHANG ATF SP-IV or SP4M-1
NOCA ATF SP-IV or SP4M-1
Hyundai Genuine ATF SP-IV or SP4M-1
ATF quantity
About 7.0 L (1.85 U.S gal., 7.40 U.S.qt., 6.16 Imp.qt.)

※ VFS : Variable Force Solenoid
Sensors
Speed Sensor (Input shaft, Middle, Output shaft)
▷ Type : Hall Effect Sensor
▷ Specifications
Items
Specifications
Operation condition(°C)°F
 (-40 to 150) -40 to 302
Output voltage(V)
 High
 1.18 - 1.68
Low
 0.59 - 0.84

Oil Temperature Sensor
▷ Type : Negative Thermal Coefficient (NTC)
▷ Specifications
Temp.[(°C)°F]
Resistance (kΩ)
(-40) -40
48.1
(-20) -20
15.6
(0) 32
 5.88
(20) 68
 2.51
(40) 104
 1.120
(60) 140
0.612
(80) 176
0.329
(100) 212
 0.186
(120) 248
 0.109
(140) 284
 0.067
(150) 302
 0.053

Position Sensor
▷ Specifications
Items
Specifications
Output type
 Non-Contact type (2 channels, PWM signal output)
Input power (V)
 4.5 - 5.5

Solenoid Valves
▷ Specifications
Items
Specifications
Direct control VFS
 Normally Low : 28/B, 46/C, 37R/C
Normally High : UD/C, OD/C&LR/B
 Control current (mA)
 0 - 1100
Control pressure
[kpa (kgf/cm, psi)
 0 - 1,569.06
(0 - 16, 0 - 227.57)
Internal resistance (Ω)
 5.3 ± 0.3
Indirect control VFS
 Normally Low : T/CON
Normally High : LINE
 Control current (mA)
 0 - 850
Control pressure
[kpa (kgf/cm, psi)]
 0 - 519.75
(0 - 5.3, 0 - 75.38)
Internal resistance (Ω)
 5.1 ± 0.3
ON / OFF
 SS - A
 Control voltage (V)
 9 - 16
Control pressure
[kpa (kgf/cm, psi)]
 0 - 490.33
(0 - 5.0, 0 - 71.12)
Internal resistance (Ω)
 10 - 11

Solenoid Valve & Clutch/Brake Operation Table

 Solenoid Valve
Clutch
Brake
ON/OFF
VFS
Direct
Indirect
SS-A
28/B_VFS
46/C_VFS
37R/C_VFS
UD/C_VFS
OD/C & LR/B_VFS
T/CON_VFS
LINE_VFS
46/C
37R/C
UD/C
OD/C
28/B
LR/B
P
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R
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 ●

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N
 ●


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1
 ●




◎
 ◎

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2
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 ◎
 ◎

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3


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 ◎
 ◎
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 ●


4

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●
 ◎
 ◎
 ●
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5





◎
 ◎

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 ●

6

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◎
 ◎
 ●

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7


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 ●
◎
 ◎
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8
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◎
 ◎


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 ●
Remarks
 ● : Connected
◎ : Variable connected
 ●: In operation

Tightening Torques
Item
Tightening Torques
N.m
 kgf.m
lb-ft
Postion sensor mounting nut
 9.8 - 11.8
 1.0 - 1.2
 7.2 - 8.7
Electronic shift actuator mounting bolt
 20.6 - 26.5
 2.1 - 2.7
 15.2 - 19.5
Transaxle support bracket mounting bolt
 58.9 - 78.5
 6.0 - 8.0
 43.4 - 57.8
Transaxle mounting bracket bolt
 107.9 - 127.5
 11.0 - 13.0
 79.6 - 94.0
Roll rod support bracket mounting bolt
 49.0 - 68.6
 5.0 - 7.0
 36.2 - 50.6
Starter mounting bolt
 49.0 - 63.7
 5.0 - 6.5
 36.2 - 47.0
Transaxle upper mounting bolt
 63.7 - 83.4
 6.5 - 8.5
 47.0 - 61.5
32.4 - 49.0
 3.3 - 5.0
 23.9 - 36.2
Transaxle lower mounting bolt
 39.2 - 46.1
 4.0 - 4.7
 28.9 - 33.9
78.5 - 98.1
 8.0 - 10.0
 57.9 - 72.3
ATF filler plug (eyebolt)
 4.9 - 5.9
 0.5 - 0.6
 3.6 - 4.3
ATF drain plug
 33.3 - 43.1
 3.4 - 4.4
 24.6 - 31.8
Transaxle control module mounting nut
 9.8 - 11.8
 1.0 - 1.2
 7.2 - 8.7
Valve body cover mounting bolt
 11.8 - 13.7
1.2 - 1.4
 8.7 - 10.1
Main harness mounting bolt
 9.8 - 11.8
 1.0 - 1.2
 7.2 - 8.7
Main connector fixing clip mounting bolt
 9.8 - 11.8
 1.0 - 1.2
 7.2 - 8.7
Oil temperature sensor mounting bolt
9.8 - 11.8
 1.0 - 1.2
 7.2 - 8.7
Speed sensor mounting bolt
 9.8 - 11.8
 1.0 - 1.2
 7.2 - 8.7

    Automatic Transaxle System (A8LF1)

    ..

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