Hi I have just done an engine change in a 97 previa and now the transmission dose not work at all can I fix this problem or do I need a new one
No one any web can answer that. (GOD like , huh?)
but the car , IIRC has a TCM operated transmission
why not get the TCM scan codes.
the FSM tells you how to do that.
is the transmission ground strap missing or gone or bad?
if yes, the TCM is now useless. fix the ground first
or add one.
the correct question is answered in the FSM.
A./T are complex and only using the FSM will you get correct answers
1997 can be a transistion year.
IN USA< why not state country, so we can stop the wrong answsers.....
the 1997 car many have the TCM integrated into the PCM
in fact the word PCM means just that.
and any USA scan tool on your USA car willl scan
and you will see things like P07xx , tranny codes
if the TCM is seperate (too lazy now to look at alldata.com)
the Old TCM on all cars (most) you place jumper wire and the silly thing blinks out DTC 2 digit fail codes.
once this far and no errors.
the FSM says.
do the stall test. yours fails. 100% (and my ground check)
then you do the pump pressure tests..
also some TCM you can put the TCM in to manual mode.
and shift car by hand, at the shifter.
that too is in the FSM. for most cars.
lots of on car tests.
SOURCE: 91 Toyota Previa AWD - Swap original engine for Previa Supercharged engine
I do a lot of work on Toyota Previa before; including rebuilt engine, swapping engine and transmission and lot of things in between, but never swap a normal aspirated engine to a supercharged engine or diesel. Since i have some experience in Previa, I would like to share my opinion with you regarding your plan to swapping the normal aspirated Previa engine to a Supercharged engine. When you do a swapp like that, you will not only be dealing with just swapping engine, but some wiring, computer, throttle body, air cleaner assembly, extra frame and pulley on the accessory items, transmission as well as a right rear end to get the correct gear ratio to accomodate the new engine and transmission. I can go on even more, but let me tell you this, beside less headache, it would definitely cheaper if you were to find a Supercharged Previa and fix it up. However, if you are totally motivated to do this project, keep in mind, this engine swap will be a long term and time consuming project.l I wish you best of luck and have fun!
SOURCE: 97 toyota 4 wheel drive manual transmission clutch problem
no miles specify but you need a cluth job.
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