TOYOTA PREVIA 91-97 REPAIR MANUAL

3-34 ENGINE AND ENGINE OVERHAUL

19. Install the oil pressure switch, left engine mount and stay, lighten
    the left engine mount bolts to 30 ft. Ibs. (41 Nm) and stay bolts to £7 ft.
    Ibs. (37 Nm).


20. Install the crankshaft pulley and tighten the bolt to 192 ft. Ibs. (260
    Nm).


21. Install the cylinder head and engine assembly into the vehicle.


22. Install the remaining components and check for leaks.

SEAL REPLACEMENT

I See Figures 109,110,111 and 112

ier

Wbladed

the new

There are two methods of replacing the oil seal depending on V^B
the oil pump cover is assembled to the engine or not.
If the oil pump is not installed to the timing chain case, use a fliji
tool and rag to pry the old seal out. Apply multipurpose grease to
oil seal lip. Using a seal installer, tap the seal into place.
If the oil pump is installed on the timing chain case, use a knifes to cut
off the lip of the seal and pry it out. Check the oil seal lip contact ||urface of
the crankshaft for cracks or damage. Apply multi-purpose grease to the new

bath.

oil seal lip. Using a seal installer, drive the new seal flush against
edge.

he cover

Cut Position

Fig. 111 Carefully cut off the oil seal lip, then pry the seal from

the cover

Fig. 109 Place a rag over the retainer and carefully pry tl a seal

out

SST

Fig. 110 Install the seal using the proper sized driver

SST

Fig. 112 Drive the seal flush against the cover edge

Timing Chain and Gears

REMOVAL & INSTALLATION

» See Figures 105,106,113 thru 129

The engine/transmission assembly must to be extracted from the vehicle

and the cylinder head removed before performing work on the timing chain.

1. Remove the engine from the vehicle.


2. Separate the engine and transmission.


3. Remove the cylinder head from the engine block.


4. Remove the crankshaft pulley as follows:
   a. Using a holding device, secure the crankshaft. Loosen the pulley
   bolt.
   b. Remove the tool and pulley bolt.
   c. Using a puller, extract the crankshaft pulley.


5. Loosen the left engine mounting bolts and the left hand mounting
   stay, then extract the assembly from the engine.


6. Remove the oil pressure switch.


7. Remove the No. 1 engine oil dipstick.


8. Unbolt and remove the No. 2 engine hanger.