Question about Toyota Previa
All forward/rear drive has suddenly failed. Has a whine like a hydraulic pump on motor run.First sine was it reving up as it changed down a gear turning right 500m from home after a 450km trip.
A/T car, auto or stick>
if A/T check the levels,,,, of fluid. ATF.
my guess. is the engine races real fast and car dont move,
right, this is called transmission slip or FLARE.
there are 2 issues, here, no engine power, RPM very low.all time.
or trans slip.
its one or the other.
Posted on Jan 02, 2014
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Posted on Jan 02, 2017
try to reset the ecm , disconnect the negative battery terminal few minutes , if persist go to shop and use a scanner to diagn.
Posted on Apr 24, 2009
check the oil lever in the transmisson assuming it's automatic, if the fluid level is fine then with it in gear running and the brake on look to see if the drive shaft is turning, if it is then you have a prboblem with the drive shavft depending on engine size and wheather it's front or rear wheel drive. if it's not turning then you have a transmisson problem. If this is helpful please rate.
Posted on Aug 07, 2009
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!
Posted on Jan 17, 2010
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