BLEW UP A PRIUS?! 2010+ Toyota Prius 1.8L 2ZR-FXE Engine Full Teardown

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Published 2023-08-26
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I've been tearing down engines on camera for 2 and a half years! Search my channel to see what I've torn down. Here's a few recents:
Mini Cooper/PSA N14    • JUNK Mini Cooper S (BMW/Peugeot) N14 ...  
Ford 1.0 Ecoboost 3cyl    • JUNK Ford Ecosport 1.0L 3-Cylinder Ec...  
Infiniti/Nissan VR30DDTT    • 60K Miles on 1 Oil Change!?! Infiniti...  
Dodge Ram 8.0 V10    • 8 LITERS OF DESTRUCTION! Dodge Ram V1...  

Todays engine is one often thought to be impossibly reliable, but like any engine ever made, the general public has found a way! A 2010+ Toyota Prius 2ZR-FXE. This is a 1.8L Atkinson cycle aluminum 4 cylinder that makes just shy of 100hp on its own. With the relatively low power output, you'd assume these low stress engines would run for ever but really, these engines are kinda notorious for this type of failure. That's why used engines are $2000-3000 even with higher mileage. The high price of a used engine usually means there's a significant demand and a relatively low supply of good used engines.
Why am I doing this? I own and run a full service auto salvage business and part of our model is dismantling blown up engines to salvage the good parts to resell. We do not rebuild engines, but we do supply parts to those that do!

I really hope you enjoyed this teardown, as always I love all of the comments, feedback, and even the criticism.

Catch you all on the next one!

-Eric

All Comments (21)
  • @dwmcever
    Post your data sources... otherwise your blowing smoke from where the sun doesn't shine.
  • @Skyhawk1998
    "It's a reliable car" means you shouldn't be stranded by it or need to throw lots of money at it. It doesn't mean you can completely forgo preventative maintenance. A lot of people have a hard time with that distinction.
  • @billwhitis9997
    As a Taxi driver, I drove the Prius for 14 years. Never had one blow up. In fact, it was one of the most reliable cars I have ever driven. Considering what we put them through, that's quite an achievement!
  • @leonardhirtle3645
    Most of the people who drive a Prius don’t know that you have to check the oil and change it on a regular basis. I watch your channel religiously. I’m a retired heavy duty mechanic and enjoy watching the carnage.
  • @trentcarlson4857
    My 2010 started to go around 250,000. I pulled the head and installed a new head gasket, water pump and timing chain. Also I think one of the most overlooked things is the pcv tube hiding under the intake manifold, completely clogged. Back together and now with 25,000 miles on her still not burning any oil like it did previously. Thanks Gaskets Masters for some helpful tips.
  • @walensmithers
    “How do you blow up an engine at 56mph in the left lane?” I laughed out loud😂
  • @juliannichols9358
    I’m sure you were having LT3 flashbacks with the dipstick. But the forklift practically lifting the engine by the dipstick, is a whole new level.
  • @RuSrsbro
    I'm stunned, I never thought I'd see you save a WATER PUMP 🤯
  • @RyanKimpel
    This is one of the best videos to date. Fork lift appearance simply to check the oil, that's something I havent seen before. While checking the head gasket the compressor kicks on, a compressor test. "Perfect timing" indeed, and fantastic. So after much consideration I believe there are more jokes in this video than there were piston nuggets, and that oil pan looks like the bottom of a fryer at a bad county fair on closing night, so you know it was packed with burnt nuggets, but somehow still not quite as many. As always this is another fantastic, fun filled, action packed hybrid edition teardown. Great content.
  • @mandmwaddle
    Our 2013 Prius V courtesy car made it 350k km before the head gasket went. It was burning quite a lot of oil at this point. Found a 130k km used engine and it's back up and running. Still a great vehicle. Still on the original hybrid battery. Wish Toyota would bring the Prius V back.
  • @jelliott3284
    In a world full of crazy right now, your channel is a reprieve! Thanks for keeping some semblance of sanity for us Eric!
  • @abpob6052
    My mechanic for my Prius made it very clear to me that any time I run my vehicle more than 65 mph the oil consumption goes way up. Some sort of mechanism to keep the engines running long and happy at higher speeds and higher rpm. That amounts to about a quart of oil every 1000 miles or so 75mph. You have to check them often and keep them full of fresh, clean oil. If you only drive around town the oil level basically never drops. Mine is closing in on 300k and it's been a happy engine.
  • @DennisHarden
    I love your postmortem inspections of engines. It's amazing how much you can learn by tearing into these dead engines!
  • @toyotanos
    It's simply amazing the amount of torque that MG1 can put onto the engine. You can fully hydrolock one cylinder and the motor will spin the engine over regardless, leaving the rod in all sorts of fun shapes. On this engine, I would expect low oil to have caused the #3 rod bearing to spin, which lead to the localized overheating on the crank and subsequent failure.
  • @Mittencarpentry
    Just got back from the local Autocross. Seems like watching an engine tear down is the next logical step of the night.
  • @tompiper3
    We have 35 Priuses, many over 250k miles and a couple over 300k. We have been cycling them out over 5 years and never had one blow up. Head one head gasket, a few leak oil from the timing covers and oil changes are every 5k miles. Never had a battery go bad, even in our 2005 models that do have over 300k. Most reliable and dependable vehicle I've ever seen. Electronics can be finicky in some. Mostly shift modules.
  • @FrankyRedEyes
    I was surprised to hear Eric say 222,000 miles is early for an engine failure.
  • @johnperkins7179
    Props to the dipstick! When you have to tag team it with a forklift, you know it was epic!
  • @InsanePacoTaco
    Anything will fail if you fail to maintain it long enough
  • @Andronamus
    Eric, I think it'd be really interesting if a motorcycle engine found its way into your shop. I know your primary focus is on cars, but maybe a grenaded sport bike or Harley engine may find itself in your vicinity one of these days. They aren't too much harder than car engines to yank apart, and 99% of the time, they're way smaller than your typical car engine. Lots of cool mechanisms and features set them apart from car engines too. Maybe some channel viewers are curious about bikes and how the engines work, and I bet they'd be really happy to see something way out of left field on the channel. I know i would ;)