WTB gen 3 damper / clutch

wow, how many miles on her?

 

that's pretty low for so much damage, i'll check out your thread, all the best!

 

Our gen 3's have a clutch in them? Lol I guess I never looked it up.


iPhone ?

 

Where are you located? I may have one.

 

maine, you?

 

You can check craigslist. Just do a search for prius within whatever mile radius you'd like. I think there's probably 3 or 4 gen 3's being parted out by DIYers in my area.

NVM, I see you already have a WTB ad there. Good luck!!

 

Is it this maybe:

FLYWHEEL SUB-ASSEMBLY - p/n: 13451-37080

At McGeorge Toyota, it's $253:

Drive Plate - Toyota (13451-37080) | McGeorge Toyota Parts

Use google image search with that part number to confirm; I think that's it. Didt you need some shaft part too, on the transaxle side?

Getting some hits from Sweden??

 

does anyone that has a broken damper/clutch had any vibrations or shudders while driving on motorway speeds above 40mph and worst shudder at 60mph? What can cause this springs to pop out and brake, excessive knocks from blocked egr, or too much strain from fast launch.

 

Toyota part # 31270-47060 Cost a little over $900 from the dealer. I wouldn't put in a used one. You are just asking it to break in a few miles. The 2012 I am repairing has 162,000 on it, but I think it went bad much earlier. 143,000-162,000 miles.
What causes it? They don't really "Slip", so all the strain is taken by the 4 springs. It's a lot to ask of those springs, so drive easy.
They damper takes up the difference between the ICE and MG2, by way of MG1 telling it to do so. I would guess it is the actually starting of the ICE that is the brunt of the force difference. Once it is started, it is all computer speed matching from then on.

 

I'd suspect direct cause is (uncompressible) coolant in combustion chamber. Caused by failing head gasket. Caused by neglected EGR.

 

Dang that nasty EGR is at it again................lol

 

That damper takes up differences between any instantaneous velocity of the crankshaft and of the transaxle input (which is geared to some massive things that have a lot of momentum, and that the car's computers are trying to control to match the (predicted) rotation of the crank).

Anything that causes unpredicted changes in the instant velocity of the crank will play havoc with that control. The generic term for that is misfires. Misfiring can be caused by lots of things, and the transaxle and damper neither know nor care what is causing it. Misfiring will make the transaxle sound like the forge of Hephaestus and will beat the daylights out of the damper springs until they break into smithereens that fall to the bottom of the bell housing—which, of course, only makes it all worse.

This classic AECS article explains in more detail (explanation of the importance of rotation matching at the end of the article).

It is not necessary to reach for extreme causes, like liquid in the combustion chamber, to explain this action; in fact, that's a bit of a red herring. Incompressible liquid in the chamber (hydrolock) is a big deal, and can do big things, like destroy the engine in a single half revolution.

Nothing of the sort is needed to produce the fearsome banging that a Prius makes when the crankshaft and transaxle keep surprising each other. Any of the usual causes of misfiring can be behind that. In the AECS article linked above, the cause was a single bad spark plug. It had led to such a fearsome banging that the owner of the (otherwise perfectly good) Prius had let it go for scrap price.

 

If anyone changes this part (damper/clutch) - can we have a write-up or better still a video of the procedure please. Many thanks.