Changing Transaxle Fluid at 134,000 Miles

What posts said that? Never heard that on this forum.

Any loose metallic particles will be picked up by the magnetic drain bolt. Make sure you clean it off. If you think your having gear wear issues
one trick is to dump the fluid in a wide container and put it in the sun. You will easily see any non ferrous debris floating in the fluid. Ferrous metal will be picked up by the magnet. New fluid will only help its basically a manual gearbox. I've changed mine like 3 times already.

 

If you had a normal automatic transmission, then the hydraulic shift logic might possibly suffer from what you mention, in some unlikely scenario. A Prius has no hydraulic shift logic, in part because it never shift gears. (It also tends to be electric where other cars would not)



If your Prius had these snakey little passages, it is remotely possible a fluid change could block one. It doesn't. Do the change.

 

edited for clarity:

Please change the WS fluid in the transaxle

Getting the waterpump and steering column recall work done. Should I get anything else done? | PriusChat

 

I read that, and no one is spreading the old wives tale about fluid changes being bad for automatics in it.

 

It's never a bad idea to change the transaxle fluid. Just do it.

 

Let me apologize all around.

It could be time for me to get another eye exam. Somehow I skipped over the part 'it can loosen', which made it read like the OP was asking if they should change the fluid or not.

Please change the WS fluid, the original owner of my 07 never changed the fluid and the transaxle blew up around 100k.

 

I am proud of you, very few people admit they were wrong on the internet. You are one in a million.