TOYOTA PREVIA 91-97 REPAIR MANUAL

7-20 DRIVE TRAIN

TRANSFER CASE

Extension Housing Seal

REMOVAL & INSTALLATION

1. Using a hammer and chisel, loosen the staked nut part of tfenut.


2. With a wrench and retaining tool, hold the flange and remo e the
   flange lock nut.


3. Remove the companion flange.


4. Using a puller, remove the dust deflector from the extensiqh hous-
   ing.


5. Tape the end of a flat bladed pry tool, then carefully pry the
   the housing.
   To install:


6. Coat the lip of the oil seal with Multi-purpose grease.


7. Install a new dust deflector.
   With a seal installer and hammer, carefully and evenly, drivi

seal from

the new
seal into position. Seal drive in depth is 0-0.039 inch (0-1 .Omm)

9. Install the companion flange and tighten the lock nut to 90 It. Ibs.
   (123 Nm).

Companion Flange Seal

REMOVAL & INSTALLATION

1. Remove the companion flange.


2. Drive the old seal from the flange, coat the lip of the new se^l with
   MP grease.


3. Using a 22mm socket wrench, drive in the new oil seal. Mak|e sure
   the seal if flush.


4. Install the companion flange, tighten the lock nut to 90 ft. IDE. (123
   Mm).

Transfer Case Assembly

REMOVAL & INSTALLATION

I See Figures 60 and 61

1. Remove the transmission and transfer case assembly from Ithe vehi-
   cle.

**Havi3 a pan ready to catch any spilt fluid.

2. Remove the bolt attaching the speedometer driven gear cab^ and
   set the cable aside.


3. If necessary, disconnect and remove the No. 1 and No. 2 seised sen-
   sors.


4. If necessary, remove the speedometer driven gear.


5. Unbolt the transfer from the transmission.


6. If necessary, remove the transfer adapter. Remove the six tx
   the adapter. It may be necessary to tap the adapter with a plastic h;
   loosen it. Discard the gasket.
   To install:


7. If removed, install the transfer adapter with a new gasket. Afl ply

tsand

nmer to

sealant such as Three bond 1344 or Locktite 242 or equivalent. Tighten the

bolts to 25 ft. Ibs. (34 Nm).

8. Attach the transfer case to the transmission. Tighten the bolts to
   27-37 ft. Ibs. (36-50 Nm).


9. Attach the speedometer cable and tighten the bolt to 33 ft. Ibs. (45 Nm).


10. If removed, install the speedometer gear and the No. 1 and No. 2
    speed sensors.


11. Replace any necessary seals or gaskets. Install the transfer/trans-
    mission assembly into the vehicle.

Fig. 60 Disengage the cable from the driven gear

Fig. 61 Remove the driven gear if necessary