Mitsubishi Galant (2004+). Manual — part 1643
UNDERDRIVE CLUTCH AND INPUT SHAFT
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AUTOMATIC TRANSAXLE OVERHAUL
23B-61
DISASSEMBLY SERVICE POINT
.
<<A>> SNAP RING REMOVAL
1. Set special tools MD998907 and MD998924 as shown in the
illustration.
2. Compress the return spring and remove the snap ring.
ASSEMBLY SERVICE POINTS
.
>>A<< D-RING INSTALLATION
1. Install a D-ring in the groove in the underdrive clutch retainer
and piston, and in the groove in the outside of the spring
retainer. Be careful not to twist or damage the D-rings.
2. Apply ATF or petroleum jelly (Vaseline) to the D-rings.
.
>>B<< SNAP RING INSTALLATION
1. Place the snap ring on top of the spring retainer, and then
set special tool MD998907 and MD998924 as shown in the
illustration.
2. Compress the return spring and install the snap ring.
.
>>C<< CLUTCH PLATE/CLUTCH DISC/CLUTCH REACTION
PLATE INSTALLATION
CAUTION
Immerse the clutch disc in ATF before assembling it. If the
clutch disc is new, soak it in ATF for at least two hours.
1. Assemble the four clutch plates and four clutch discs one on
top of the other inside the underdrive clutch retainer. All four
clutch plates should be assembled so that the places with no
teeth (marked "A") are aligned with the holes in the retainer
(marked "B").
AK300523AD
MD998907
MD998924
AK300523AD
MD998907
MD998924
AK301272AC
A
B
REVERSE AND OVERDRIVE CLUTCH
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AUTOMATIC TRANSAXLE OVERHAUL
23B-62
2. Install the clutch reaction plate in the direction shown.
Install it the same as the clutch plates, so that the areas with
no teeth (marked "A") are aligned with the retainer (marked
"B").
.
>>D<< SNAP RING INSTALLATION
1. Install the snap ring into the groove of clutch retainer.
2. Set special tools MB991628 <F4A4B> or MB991629
<F4A5A> and MD998924 as shown in the illustration, and
then compress the clutch element.
3. Check that the clearance between the snap ring and the
clutch reaction plate is within the standard value. If not within
the standard value, select a snap ring to achieve the
standard value clearance.
Standard value: 1.60
− 1.80 mm (0.0630 − 0.0709 inch)
REVERSE AND OVERDRIVE CLUTCH
DISASSEMBLY AND ASSEMBLY
M1233024800149
NUMBER OF CLUTCH DISCS AND PLATES
AK301764
CLUTCH PLATES
ROUNDED EDGE
PISTON
SIDE
CLUTCH DISCS
AB
CLUTCH
REACTION
PLATE
AK300524AE
MD998924
MB991628
<F4A4B>
AK202311
MB991629
MD998924
AC
<F4A5A>
MODEL
PRESSURE
PLATE
CLUTCH DISC
CLUTCH PLATE CLUTCH
REACTION
PLATE
Over drive clutch
F4A4B
−
4
4
1
F4A5A
1
4
3
1
Reverse clutch
−
2
2
1
REVERSE AND OVERDRIVE CLUTCH
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AUTOMATIC TRANSAXLE OVERHAUL
23B-63
<F4A4B>
AK301601
16
19
18
17
16
15
13
12
11
10
9
14
18
17
12
15
13
19
9
10
14
11
7
3
5
8
6
4
2
1
1 2
4
5
6
8
7
3
AB
APPLY AUTOMATIC
TRANSMISSION FLUID
TO ALL MOVING PARTS
BEFORE INSTALLATION.
DISASSEMBLY STEPS
>>G<<
1.
SNAP RING
>>F<<
2.
CLUTCH REACTION PLATE
>>F<<
3.
CLUTCH DISC
>>F<<
4.
CLUTCH PLATE
>>E<<
5.
SNAP RING
>>D<<
6.
CLUTCH REACTION PLATE
>>D<<
7.
CLUTCH DISC
>>D<<
8.
CLUTCH PLATE
<<A>>
>>C<<
9.
SNAP RING
10. SPRING RETAINER
>>A<<
11. D-RING
12. RETURN SPRING
13. OVERDRIVE CLUTCH PISTON
>>A<<
14. D-RING
>>B<<
15. REVERSE CLUTCH PISTON
>>A<<
16. D-RING
>>A<<
17. D-RING
>>A<<
18. D-RING
19. REVERSE CLUTCH RETAINER
DISASSEMBLY STEPS
REVERSE AND OVERDRIVE CLUTCH
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AUTOMATIC TRANSAXLE OVERHAUL
23B-64
<F4A5A>
Required Special Tools:
• MB991628: Spring Compressor
• MB991629: Spring Compressor
• MB991789: Spring Compressor
• MB991790: Spring Compressor
• MD998924: Spring Compressor Retainer
• MD999590: Spring Compressor
AKX01127
APPLY AUTOMATIC
TRANSMISSION FLUID
TO ALL MOVING PARTS
BEFORE INSTALLATION.
17
20
19
18
17
16
14
13
12
11
10
15
19
18
13
16
14
20
10
11
15
12
7
3
5
8
6
4
2
1
1 2
4
5
6
8
7
3
9
9
AC
DISASSEMBLY STEPS
>>G<<
1.
SNAP RING
>>F<<
2.
CLUTCH REACTION PLATE
>>F<<
3.
CLUTCH DISC
>>F<<
4.
CLUTCH PLATE
>>E<<
5.
SNAP RING
>>D<<
6.
CLUTCH REACTION PLATE
>>D<<
7.
CLUTCH DISC
>>D<<
8.
CLUTCH PLATE
>>D<<
9.
PRESSURE PLATE
<<A>>
>>C<<
10. SNAP RING
11. SPRING RETAINER
>>A<<
12. D-RING
13. RETURN SPRING
14. OVERDRIVE CLUTCH PISTON
>>A<<
15. D-RING
>>B<<
16. REVERSE CLUTCH PISTON
>>A<<
17. D-RING
>>A<<
18. D-RING
>>A<<
19. D-RING
20. REVERSE CLUTCH RETAINER
DISASSEMBLY STEPS
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