2. 2Transaxle
TM Variation
Engine T/M Area
Model
Volume
[cc]
[PS/kg.m] M/T A/T India Europe General
ε-1.1
(G4HG)
1,086 64/9.9
M5EF2 A4CF0
●
(’07.10)
●
(’07.12)
●
(’07.12)
κ-1.2
(G4LA)
*1,248 77/11.8 -
●
(‘08.9)
●
(‘08.10)
1,197 77/11.2
●
(‘08.9)
- -
U-1.1
(U3FA)
1,120 75/15.5 M5CF1 - -
●
(‘07.12)
-
* It is also called referred to as ‘κ-1.25’ to identify with 1,197cc.
3. 3Transaxle
M/T Main Features
Items PA MXI PA
Model
Engine ε- 1.1 /κ-1.2 ε- 1.0 / 1.1 U - 1.1
M/T code M5EF2 M5EF1 M5CF1
Torque (kgf-m) 12.5 10.0 15.5
Shaft distance (mm) 172 165 189
Length (mm) 347 352.2 378
Weight (kg, dry) 30 24.3 41.6
4. 4Transaxle
M/T Comparison
Items PA MXI PA
Structure
Case 2 pcs. (C/HSG+T/CASE) 3 pcs. (C/HSG+T/CASE+R/COVER) 2 pcs. (C/HSG+T/CASE)
Shift control CABLE type ROD type CABLE type
Synchro.
1st
: Single cone carbon ring,
2nd
: Double cone,
3rd
~ 5th
: Single cone
All : Single cone
1st
~ 3rd
: Double cone,
4th
~ 5th
: Single cone,
R : Anti-Vibration mech.
Clutch Manual Manual Hydraulic
Oil Low viscosity & permanent Permanent Low viscosity & permanent
8. 8Transaxle
A4CF0 Main Features
Flat torque
converter
Changed bearing type
Reduced oil pump capacity than
A4CF1&2
Reduced number of disc
Reduced U/D clutch
A4CF1&2: Taper roller bearing
A4CF0: Ball bearing
The parts of decreased size :
- Overall length
- O/D carrier, O/P carrier
- Input shaft, Output shaft
9. 9Transaxle
Items A4CF0 A4CF1 A4CF2 A4AF3 (MC)
Engine Ε-1.1, Κ-1.2 Γ-1.6 Β-II 2.0 U 1.6 Alpha II
Torque (kg ㆍ m) 12.5 15.5 24 14.6
Number of OWC 1 ← ← ← ←
Number of Clutch 3 ← ← ← ←
Number of Brake 2 ← ← ← ←
Centrifugal
Balance
Chamber
3
(UD, OD, Reverse Clutch)
1
(Frt. Clutch)
Accumulator 4(UD,OD,2nd
,LR) 1
Solenoid valves
6
(PWM-5, VFS-1)
6
(On,Off-3, PWM-3)
Gear Shift Position
6 with
O/D switch
7 Modes (P,R,N,D,3,2,1)
6 with
O/D switch
Specification
10. 10Transaxle
Shift lever & Cluster
6 positions with the
momentary type O/D OFF
switch
No indicator for A/T shift range
(P, R, N, D, 2, L) in the cluster
11. 11Transaxle
Valve Body
•Valve body and spool valve are
from Alloy
• Full line pressure control
• Individual Clutch to Clutch Control
* To remove the valve body,
- A type (6x30mm) : 17EA
- B type (6x35mm) : 1EA
- C type (6x40mm) : 1EA
- D type (6x55mm) : 1EA
- E type (6x60mm) : 1EA
C
E D
B (except A4CF0)A X 17EA
Valve body mounting bolt location
12. 12Transaxle
PCSV - A : O/D or LR Solenoid
PCSV - B : 2nd
or REV Solenoid
PCSV - C : UD Solenoid
PCSV - D : Damper Clutch Solenoid
On/Off Sol V/V : Switching PCSV – A from LR to O/D
(Switch on – LR engaged, off- O/D engaged)
VFS Solenoid
Solenoid Valve
* Each solenoid can be interchangeable except VFS (Variable Force Solenoid)
14. 14Transaxle
ⓐ UD (two springs
with white color)
ⓑ OD (one spring
with yellow color)
ⓒ 2nd
(two springs
with yellow color)
ⓓ L/R (one spring
with yellow color)
Accumulator
* Each Spring can be interchangeable except white one
ⓐ
ⓑ
ⓒ
ⓓ
15. 15Transaxle
* Totally 8 checking ports are used.
- UD : UD Clutch - RED : Reducing Pressure
- L/R : L/R Brake - O/D : O/D Clutch
- DA : Damper Clutch Apply - 2nd
: 2nd
Brake
- LUB : Lubrication Pressure - REV : Reverse Clutch
Hydraulic Pressure Checking Port
REV
L/R
UD
DA
LUB
RED OD
2ND
20. 20Transaxle
Items Solenoid Valve (0%:OFF, 100%:ON)
Range Operation
PCSV-A
(OD&LR)
PCSV-B
(2ND&RVS)
PCSV-C
(UD)
PCSV-D
(DCCSV)
ON/OFF
SOL.
P, N LR OFF ON ON OFF ON
(D,2) 1st
UD *OFFON ON OFF OFF *ONOFF
(D,2) 2nd
UD, 2ND ON OFF OFF ON OFF
(D) 3rd
UD, OD OFF ON OFF ON OFF
D-4 OD, 2ND OFF OFF ON ON OFF
R LR, RVS OFF OFF ON OFF ON
(L) 1st
UD, LR OFF ON OFF OFF ON
Operation table
* Vehicle stop Wheel rotates
27. 27Transaxle
Solenoid Valve Fail (3rd
Gear Fixed)
* SCSV solenoid valve shorts to ground during driving under 3rd
gear resulting in
mechanical 3rd
gear fixed condition.
A to B : 1.8s