Mitsubishi Eclipse. Manual - part 920

REVERSE AND OVERDRIVE CLUTCH

TSB Revision

AUTOMATIC TRANSAXLE OVERHAUL

23B-63

>>F<< 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 two clutch discs and two clutch plates, one on top 

of the other, inside the reverse clutch retainer. Assemble 
both clutch plates so that the places with no teeth (marked 
"A") are aligned with the holes in the retainer (marked "B").

2. Install the clutch reaction plate in the direction shown. Install 

it  the same as the clutch plate, so that the places with no 
teeth (marked "A") are aligned with the holes in the retainer 
(marked "B").

.

>>G<< SNAP RING INSTALLATION
1. Install the snap ring into the groove of reverse clutch 

retainer.

2. Set special tools MB991790 <F4A42> or MB991789 

<F4A51> and MD998924 as shown in the illustration, and 
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 so that it is. 

Standard value: 1.5 

− 1.7 mm (0.0591 − 0.0669 inch)

AKX01050

B

A

AB

AKX01117

CLUTCH 
PLATES

ROUNDED 
EDGE

CLUTCH 
REACTION 
PLATE

CLUTCH DISCS

AB

AKX01130

MB991790 <F4A42> OR
MB991789 <F4A51>

MD998924

AB

PLANETARY GEAR

TSB Revision

AUTOMATIC TRANSAXLE OVERHAUL

23B-64

PLANETARY GEAR

DISASSEMBLY AND ASSEMBLY

M1233002500021

AKX01111

APPLY AUTOMATIC 
TRANSMISSION FLUID 
TO ALL MOVING PARTS 
BEFORE INSTALLATION.

1

3

4

6

2

5

7

9

8

10

AB

DISASSEMBLY STEPS

1.

STOPPER PLATE

>>B<<

2.

ONE-WAY CLUTCH

3.

SNAP RING

4.

OUTPUT PLANETARY CARRIER

>>A<<

5.

THRUST BEARING NUMBER 3

6.

UNDERDRIVE SUN GEAR

>>A<<

7.

THRUST BEARING NUMBER 4

8.

SNAP RING

9.

OVERDRIVE PLANETARY 
CARRIER

10. OVERDRIVE ANNULUS GEAR

DISASSEMBLY STEPS 

PLANETARY GEAR

TSB Revision

AUTOMATIC TRANSAXLE OVERHAUL

23B-65

ASSEMBLY SERVICE POINTS

.

>>A<< THRUST BEARING NUMBER 4 AND THRUST BEAR-
ING NUMBER 3 INSTALLATION

CAUTION

Use care to install the thrust bearings in the correct direc-
tion.
Check the installation direction of thrust bearings number 3 and 
4, and install them as shown.

.

>>B<< ONE-WAY CLUTCH INSTALLATION
Insert the one-way clutch into the overdrive annulus gear so 
that the arrow points towards the output planetary carrier.

AKX01112

THRUST BEARING NO.4

THRUST BEARING NO.3

AB

AKX01113AB

ONE-WAY CLUTCH

OUTPUT
PLANETARY
CARRIER

OVERDRIVE
ANNULUS
GEAR

LOW-REVERSE BRAKE

TSB Revision

AUTOMATIC TRANSAXLE OVERHAUL

23B-66

LOW-REVERSE BRAKE

DISASSEMBLY AND ASSEMBLY

M1233003700028

ASSEMBLY SERVICE POINT

.

>>A<< D-RING INSTALLATION
Apply ATF or petroleum jelly (Vaseline) to the D-ring, and install 
carefully.

AK200862

1

3

2

AB

APPLY AUTOMATIC
TRANSMISSION FLUID
TO ALL MOVING PARTS
BEFORE INSTALLATION.

DISASSEMBLY STEPS

>>A<<

1.

D-RING

>>A<<

2.

D-RING

3.

LOW-REVERSE BRAKE PISTON

DISASSEMBLY STEPS