Mitsubishi Montero (2002-2004). Manual - part 528

TRANSMISSION

TSB Revision

AUTOMATIC TRANSMISSION OVERHAUL

23B-43

CAUTION

Insert the anchor bracket hole of the brake band to the 
anchor plug tip, and then mount the apply bracket part to 
the hole of reduction brake piston adjust rod.
5. Install the reduction brake band. <V5A51>

6. Install the thrust bearing number 13. <V5A51>

AKX00332

ANCHOR BRACKET HOLE

APPLY
BRACKET

<V5A51>

AB

AKX00313

ANCHOR PLUG

REDUCTION BRAKE
PISTON ROD

<V5A51>

AB

AKX00314

<V5A51>

AB

TRANSMISSION

TSB Revision

AUTOMATIC TRANSMISSION OVERHAUL

23B-44

CAUTION

Make sure the thrust bearing number 13 is mounted in the 
correct direction.

CAUTION

Take care that the reduction brake band does not come off 
the anchor rod and the hole of the reduction brake piston 
adjust rod.
7. Install the direct clutch. <V5A51>

8. Install the reduction brake spring. <V5A51>

9. Tighten the reduction brake piston adjust rod into the 

reduction brake piston manually to the full. <V5A51>

10.Install new seal ring on the piston. <V5A51>

AKX00315

THRUST
BEARING NO.13

<V5A51>

AB

AKX00307

<V5A51>

AB

AKX00316

<V5A51>

AB

AKX00317

<V5A51>

AB

TRANSMISSION

TSB Revision

AUTOMATIC TRANSMISSION OVERHAUL

23B-45

11.Press the reduction brake piston into the transmission case, 

and then install the snap ring. <V5A51>
NOTE: Set the open end of the snap ring at indicated loca-
tion.

12.Fully tighten the reduction brake piston adjust rod manually. 

<V5A51>

13.Adjust the reduction brake piston by following procedure. 

<V5A51>

(1) Mount the special tool so that the reduction brake piston 

does not rotate.

(2) Mount the torque wrench to the special tool (Socket), and 

after repeatedly tightening and turning back with the 
torque of 9.8 N

⋅m (87 in - lb) twice, tighten the reduction 

brake piston adjust rod by the specified torque of 4.9 N

⋅m 

(44 in - lb). Then turn the reduction brake piston adjust 
rod 5 1/2 to 5 3/4 turns backwards.

(3) Remove the special tool and tighten the reduction brake 

piston nut manually.

AKX00318

SNAP RING

REDUCTION BRAKE PISTON

<V5A51>

AB

AKX00319

<V5A51>

AB

AKX00320

MB991693

<V5A51>

AB

AKX00321

MB991633
(SOCKET)

<V5A51>

AB

AKX00322

<V5A51>

AB

TRANSMISSION

TSB Revision

AUTOMATIC TRANSMISSION OVERHAUL

23B-46

(4) Tighten the reduction brake piston nut to the specified 

torque using the special tool (wrench) with the special 
tool (Socket) so it does not rotate.

14.Install a new O-ring on the reduction brake piston cover, and 

then install the cover and the snap ring on the transmission 
case. <V5A51>

15.Install new seal rings (two large pieces and two small 

pieces) onto the output shaft <V4A51> or direct planetary 
carrier <V5A51>.

16.Install the output shaft <V4A51> or direct planetary carrier 

<V5A51> into the output shaft support.

17.Apply vase line or petroleum jelly on the thrust bearing 

number 12, and then install on the front end of the output 
shaft <V4A51> or direct planetary carrier <V5A51>.

AKX00323

MB991633
(SOCKET)

MB991633
(WRENCH)

<V5A51>

AB

AKX00305

SNAP RING

REDUCTION
BRAKE COVER

<V5A51>

AB

AKX00058

SEAL RING(SMALL)

SEAL RING(LARGE)

<V4A51>

<V4A51>

AB

AKX00304

<V5A51>

<V5A51>

SEAL RING(SMALL)

SEAL RING(LARGE)

AB

AKX00064