Mitsubishi Montero (1991+). Manual - part 293

Fig. 14:  Active Trac 4WD Circuit (Montero)

TRANSMISSION REMOVAL & INSTALLATION - A/T 



1991 Mitsubishi Montero

         1991 92 TRANSMISSION SERVICING

         Transmission Removal & Installation

         Mitsubishi:  Eclipse, Galant, Mirage, Montero,

         Pickup, Precis, 3000GT

         MANUAL

NOTE:    For manual transmission/transaxle replacement procedures,

         see appropriate article in CLUTCHES.

         AUTOMATIC FWD MODELS

         REMOVAL

         1) Remove battery and battery tray. On 3000GT, remove

undercover(s). On Eclipse turbo, drain and remove intercooler. On all

models, remove air cleaner and case. Raise and support vehicle. Remove

wheels. Disconnect control cables at transaxle. Drain transaxle fluid.

         2) On Mirage 1.6L, disconnect tension rod. On all models,

disconnect neutral safety switch connector, oil cooler hoses and

electrical connectors from transaxle. Disconnect speedometer cable and

throttle control cable (if equipped). Remove starter motor.

         3) On Galant models with electronically controlled

suspension, remove air compressor and bracket. Disconnect front height

sensor rod at lower control arm.

         4) On all models, remove upper transaxle-to-engine bolts.

Remove engine undercover (if equipped). On all models, remove drive

axle shafts. See FWD AXLE SHAFTS article in DRIVE AXLES. Separate

lower control arms from struts for access to axle shafts (if

necessary).

         5) Remove front exhaust pipe (if necessary). On Eclipse 4WD,

Galant 4WD and 3000GT, remove right member and gusset. On 4WD models,

separate transfer assembly from transaxle. Reference mark transfer

assembly-to-drive shaft and remove transfer assembly.

         6) On all models, remove transmission inspection (dust)

cover. Place index mark on torque converter and drive plate for

reassembly reference. Remove torque converter-to-drive plate bolts.

Push torque converter away from engine into transaxle.

         7) Support transaxle with jack. Remove transaxle mounts

bolts, mounting brackets and remaining transaxle-to-engine bolts.

Slide transaxle assembly to right and lower to remove.

CAUTION:  Ensure torque converter is fully seated in transaxle before

          installation. Always install new snap rings on inner

          constant velocity joints.

         INSTALLATION

         1) To install, reverse removal procedure. Tighten transaxle-

to-engine bolts and torque converter-to-drive plate bolts to

specification. See TORQUE SPECIFICATIONS table at end of article.

         2) Ensure reference marks on torque converter-to-drive plate

and transfer assembly-to-drive shaft align. Tighten mounting bolts

with weight of engine and transaxle on mounts. Refill transaxle fluid

to specified level. Adjust all control cables.

         RWD MODELS

         REMOVAL

         1) Disconnect negative battery cable. Remove front exhaust

pipe. On Montero, remove transfer case shift lever knob, dust boot and

retainer plate or console. Remove transfer case gearshift assembly.

         2) On all models, raise and support vehicle. Remove

undercarriage cover and/or skid plate(s). Drain transmission and

transfer case (if applicable). Place reference mark on drive shaft(s)

and remove. Disconnect all external solenoid and switch connections.

         3) Disconnect speedometer cable and control cables at

transmission. Remove starter and bellhousing cover. Place reference

mark on torque converter and drive plate for reassembly reference.

Remove torque converter bolts.

         4) Disconnect transmission cooler lines. Remove oil filler

tube. Secure transmission on a jack. Raise transmission slightly to

take weight off mount. Remove crossmember-to-mount bolts and

crossmember.

         5) Remove transfer case mounting bracket and mount (if

equipped). Remove transmission-to-engine mounting bolts. Carefully

lower transmission from vehicle.

CAUTION:  Ensure torque converter is fully seated in transmission

          before installation.

         INSTALLATION

         1) To install, reverse removal procedure. Tighten

transmission-to-engine bolts and torque converter-to-drive plate bolts

to specification. See TORQUE SPECIFICATIONS table at end of article.

Tighten mount bolts with weight of engine and transmission on mounts.

Ensure reference marks on drive shaft(s) and torque converter-to-drive

plate align.

         2) Apply sealant to transfer case gearshift assembly gasket

before installation. Coat transmission oil filler tube "O" ring with

transmission fluid before installation. Refill transmission fluid to

specified level. Adjust all control cables.

         TORQUE SPECIFICATIONS

TORQUE SPECIFICATIONS

Applications                                       Ft. Lbs. (N.m)

FWD Models

  Torque Converter-To-Drive Plate Bolt

   Precis  .......................................  53-55 (72-76)

   All Others  ...................................  34-38 (46-52)

  Transaxle-To-Engine Block Bolt

    Mirage

     8-mm Bolt  ............................................   (1)

     10-mm Bolt  .................................  22-25 (30-34)

     12-mm Bolt  .................................  31-40 (42-54)

   Eclipse & Galant

     8-mm Bolt  ............................................  (1)

     10-mm Bolt  .................................  22-25 (30-34)

   Precis

     8-mm Bolt  ..................................  22-25 (30-34)

     10-mm Bolt  .................................  31-40 (42-54)

   3000GT

     Upper Coupling Bolts  .............................  54 (73)

     Lower Coupling Bolts  .............................  65 (88)

RWD Models

  Torque Converter-To-Drive Plate Bolt

   Montero  ......................................  25-30 (34-41)

   Pickup  .......................................  33-38 (45-52)

  Transmission-To-Engine Block Bolt

   Montero

     10x40-mm Bolt  ..............................  22-30 (30-41)

     12x40-mm Bolt  ..............................  47-61 (64-83)

     12x55-mm Bolt  ..............................  58-72 (79-98)

   Pickup

     10x16-mm Bolt  ..............................  22-30 (30-41)

     10x50-mm Bolt  ..............................  31-40 (42-54)

     10x70-mm Bolt  ..............................  31-40 (42-54)

(1) - Tighten to 84-108 INCH lbs. (10-12 N.m).