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A New Subaru and Toyota Engine Failure Lawsuit Includes All BRZ, FR-S, 86, and GR86 Boxer Engines

A new class action lawsuit alleges Subaru's Boxer engines in the BRZ, Scion FR-S, Toyota 86, and GR86 are defective in the two automaker's sports cars. Here are the latest details.

Subaru's Boxer engine is under fire. 

Subaru's 2.0-liter and 2.4-liter Boxer engines in the BRZ, Scion FR-S, Toyota 86, and Toyota GR86 are allegedly defective in a new class action lawsuit

The Subaru and Toyota Boxer, engine failure lawsuit, is massive and includes all Subaru and Toyota vehicles equipped with 2.0-liter and 2.4-liter four-cylinder Boxer engines. T

Subaru, Scion, and Toyota sport coupes that are included in the lawsuit. 

  • 2013-2016 Scion FR-S
  • 2013-2023 Subaru BRZ
  • 2017-2023 Toyota 86/GR86

The Subaru and Toyota Boxer, engine failure lawsuit, includes all first and second-generation Subaru BRZ, Scion FR-S, and Toyota 86/GR86 models.  

It's important to note that the Boxer engine is primarily a Subaru design in the Subaru/Toyota BRZ/GR86 joint venture. This joint venture, formed in 2012, aimed to combine Subaru's expertise in boxer engines with Toyota's knowledge in hybrid technology. However, it incorporates some Toyota parts, most notably the D-4S direct injection system, a Toyota technology used on the four-cylinder engine, allowing for more efficient fuel delivery.

CarComplaints says, "Arkansas plaintiff Laura Young filed the Boxer engine failure lawsuit for more than $5 million for her 2019 Toyota GR86, which she purchased used in October 2021."

"In April 2023, the plaintiff was driving her Toyota when it suddenly lost power, and the engine failed when the GR86 had about 64,000 on the odometer. The powertrain warranty coverage is for 60 months or 60,000 miles, whichever occurs first."

The plaintiff did not contact a Toyota dealership, but she says she contacted an independent auto repair shop after her Toyota GR86 sport coupe was towed home.

"Upon a complete professional teardown of the engine, it was determined that the engine failure was due to oil starvation, loss of the oil film, and excessive wear. Ms. Young's vehicle is still disabled, and Defendants have not replaced her defective engine with a non-defective one," according to the Toyota Subaru boxer engine lawsuit.

What is the problem with the sports car's Boxer engines?

The report says the Subaru Boxer engines allegedly suffer from low oil pressure and a loss of oil film, which damages and destroys the boxer engines due to a lack of engine oil.

The lawsuit alleges that drivers and others are in danger when the Boxer engines fail while driving, and in the worst case, the plaintiff claims the Boxer engines can catch fire.

"Defendants admit they had known about the Engine Defect before the first Class Vehicle was sold yet chose to conceal it from purchasers. Defendants have never disclosed the Engine Defect to Plaintiff or the Class members," the Boxer engine failure lawsuit says. 

The report says that the plaintiff, Laura Young, complains that the Toyota and Subaru vehicles have never been recalled to repair the boxer engines, and the automakers need to extend the warranties. Customers also allegedly have yet to be offered replacements or suitable repairs, and the class action further alleges customers haven't been reimbursed.

The lawsuit alleges Subaru and Toyota used room temperature vulcanizing (RTV) silicone instead of traditional gaskets.

The heat from the Boxer engine allegedly hardens the silicone, which causes it to break apart and find its way into the crankcase. Young alleges that Toyota and Subaru "applied RTV excessively and clumsily during manufacturing."

The fractured hardened silicone allegedly gets into oil and coolant passages, damaging and destroying the Boxer engines.

A lawsuit was filed in 2019 for Boxer engine problems. 

I reported in March 2019 that some Subaru BRZ and FR-S 2.0-liter engines were dying after the recall fix had been done at some Toyota dealers. The report said technicians were applying too much sealant, causing some BRZ and FR-S engines to fail.

A class action lawsuit was filed in 2019 by a 2013 Scion FR-S owner who claimed he took his sports coupe to a Toyota dealer for the recall and had repairs done. One week later, his engine developed a "hard knocking," so he returned to the dealer and was told there were metal shavings in the oil, but the dealer refused to fix it.

The Subaru and Toyota Boxer engine failure lawsuit was filed in the U.S. District Court for the District of New Jersey on July 1, 2024. This could have significant implications for Subaru and Toyota, as they are accused of concealing these defects. The lawsuit, if successful, could lead to substantial financial penalties and damage to their reputations. I will bring further updates when they become available. 

Have you experienced any engine issues in a Subaru BRZ, Scion FR-S, Toyota 86, or Toyota GR86? If so, click the red Add New Comment link below and let us know.

I am Denis Flierl, a Senior Torque News Reporter since 2012. My 30+ year tenure in the automotive industry, initially in a consulting role with every major car brand and later as a freelance journalist test-driving new vehicles, has equipped me with a wealth of knowledge. I specialize in reporting the latest automotive news and providing expert analysis on Subaru, which you'll find here, ensuring that you, as a reader, are always well-informed and up-to-date. Follow me on my X SubaruReportAll Subaru, WRXSTI, @DenisFlierlFacebook, and Instagram.

Photo credit: Denis Flierl via Subaru

Comments

Marc Roa (not verified)    November 12, 2024 - 4:06PM

This exact issue happened with my car. And my 2013 FRS has been out of commission for this reason for 2 years now. So debilitating. Really hope that I can get some help on this so it can put me back on the road again

Andrew kraus (not verified)    November 12, 2024 - 4:36PM

Bought a 2014 in December of 2013. Spun a bearing while in cruise control was on, only had 84,000 miles. Cost me over 8 thousand to do it myself. Dealership wanted over 10 thousand to throw a used engine in the already ha over 50 thousand on it. Needless to say I didn't let them.

Andrey S (not verified)    November 12, 2024 - 4:41PM

I bought my Scion FRS in the beginning of 2020 at 50k miles on the odometer. At 74k miles, about a year after purchase, the engine got a bad rodknock from just driving through town at around 25mph.

Leonard Ostrander (not verified)    November 12, 2024 - 4:57PM

2015 Scion FR-S sudden oil pressure loss resulting in engine failure. Had engine rebuild on new short block.

Michael Shipley (not verified)    November 12, 2024 - 6:06PM

This misuse of rtv in the oil pan of the fa20 and fa24 engines has been a known problem for years in the Subaru owners community. it is common knowledge that if you are buying a FA, old or new, to immediatey remove the oil pan. Check and clean the oil pickup tube and reseal the pan with an appropriate amount of rtv

Jorge Lopez (not verified)    November 12, 2024 - 6:39PM

Interesting read. I own a 2014 Scion FR-S Monogram Edition. I baby my car and is garage kept. My engine fail more than a month ago. My car only has 61,000 miles. I've seen these engine fails around 110K miles but not in a million years mine would have failed at 61K miles.

Lynn (not verified)    November 12, 2024 - 6:50PM

I have a 2015 FR-S with 48,000 miles. For years I've experienced a faint smell of antifreeze coming thru the dash vents. I've never been able to identify the source.

Charles-alaric (not verified)    November 12, 2024 - 6:58PM

My motor spun a crank bearing after the recall and I paid to put a used engine in it
At 114 k km recall was done at 90

Chris Austin (not verified)    November 12, 2024 - 7:15PM

2015 brz. 94000 miles. Engine spun a connecting rod bearing. It blew and went through top of motor in 2 places. Looking front to back, it was the 3rd cylinder back. 10,000$ later I just got car back.

Anthony Roa (not verified)    November 12, 2024 - 7:49PM

Got a 2013 Scion FRS. It has been out of commission for the better part of 2 years. It's been sitting in a storage yard collecting dust. The sad thing is that I'm still paying for the damn thing. I'm interested in information regarding Class Action Suit. At this point I'll try anything.

Kyle (not verified)    November 12, 2024 - 7:57PM

I have had 2 engine failures in my 2013 brz. The first one was a connecting rod failure. The second one was a rod bearing failure, I was frustrated with the outcome so decided to build my own engine to a spec where I could use heavier engine oil and a higher volume oil pump.

Brendan Hardiman (not verified)    November 12, 2024 - 7:58PM

I have a 2022 Gr86 car spun a rod bearing at 40k driving normally home from work and Toyota refused to cover under warranty because of a “tune” even though the tune is irrelevant to that and can’t order new rod bearings because of national back order!

Arthur (not verified)    November 12, 2024 - 8:09PM

I had the car for 1 month and the engine blew up they gave a hard time but fixed it then 1 year later it blew up again now I don’t have a car for months

Mosses Gasca (not verified)    November 12, 2024 - 8:13PM

Had bought me a 2019 gt86 with 26k miles and 2k miles later it needs a new engine. Took it to a dealership and they found metal shavings in the oil and I thought it was going to be covered under the powertrain warranty but was declined. So I had to pay 7k to replace my engine through a engine shop

Joshua (not verified)    November 12, 2024 - 8:14PM

My 2022 GR 86 experienced catastrophic engine failure after I brought it in for a hard knocking noise that arose after 7,900 miles on the odometer. The day before I brought the car to Toyota, I did an oil change and found that only ~1.5-2L of very dark and glittery oil came out. Following inspection, the dealership told me the engine failure was due to overrevving the engine to 7,483 rpm ~40-50 engine startups ago which is 3 rpm above the fuel cutoff for the 2022 GR86 and did not elaborate further.

Matt Simmons (not verified)    November 12, 2024 - 9:52PM

I have a scion fra limited trd 2014. The motor has to be replaced after 72k and Toyota wanted nothing to do with it. Engine developt rod knock on my way home from work at 70mph with the cruise control set

TomR (not verified)    November 12, 2024 - 10:04PM

This article failed to address the issue that there is a much higher incidence of engine failure in vehicles with high grip tires and that engage in high performance driving (track days autocross Etc). Basically this scenario creates much higher lateral g-forces and exacerbates the oil starvation issue. Mitigation efforts are a point of a great deal of debate amongst us to enthusiasts

Emmabeth Caddy (not verified)    November 12, 2024 - 10:16PM

My husband’s Scion F-RS engine just failed with 70k miles on the odometer. Metal shavings were found in the oil pan and the dealership said it was engine failure due to unknown causes. I am looking for a replacement engine but this article makes me question the Boxer.

Stephanie huerta (not verified)    November 12, 2024 - 11:18PM

Hello my name is Stephanie . I have a 2019 Toyota 86 and I have been having the same issues. I have no had my car for 4 months due to them trying to figure out what is wrong with it . I feel like I’m going crazy and have found comfort in this article . What can I do to help this lawsuit to get approved or to help myself ?

Rafael Reyes (not verified)    November 12, 2024 - 11:20PM

I own a 2013 Scion FRS and my engine blew up after the recall was performed
The dealership then tried 3 more engines all of which failed withing weeks of being installed.

Mollyann Thompson (not verified)    November 12, 2024 - 11:39PM

I bought a used 2015 BRZ in May '23. Haven't had engine trouble yet, but the push button starter won't start the car occasionally. Recently took it to a dealership and their diagnosis was the battery was low and they charged it. They said that was probably the issue.

sophea hem (not verified)    November 12, 2024 - 11:53PM

I have 2013 brz limited. I also had problems with the knocking engine. It has been sitting in front my garage for a long time. I was going to replace new engine. But I will wait and see with lawsuit. Thank you.

Nick (not verified)    November 13, 2024 - 1:51AM

2015 subaru brz. Motor destroyed itself with 80,000 miles. Regular oil changes every 3k miles and no hard or track driving. Blew up while driving on highway.

Arpith Prashanth (not verified)    November 13, 2024 - 3:35AM

Owner of a 2nd hand 2013 Toyota 86,

I can't express how glad I am to finally see this issue come into the limelight,
I'm on my 3rd engine entirely due to engine oil starvation problem that occurred multiple times. The financial issues that comes with this problem makes it extremely difficult to vouch for the company's actions on this, unfortunately I don't see how I can assist in the lawsuit as I'm currently residing in the UAE with a GCC spec car, but I'd love to if anyone steps forward

Paolo (not verified)    November 13, 2024 - 4:41AM

I had Many engine spills in different locations of my BRZ 2014 engine. I’m in Italy. No yet fixed the but only used engine sealant outside to cover spills

Johan Naud3 (not verified)    November 13, 2024 - 5:58AM

Good day,I'm Johan Naude from South Africs.Bought my Toyota GT 86 in 2013 from Toyota Randburg.Ive got same issues in 2019 .Engine seized and aI took it Toyota Rustenburg.Quatation to fix was absurd high.They stripped the engine and some parts missing.My complaint didn't help.I did removed my car from the dealership and opt to repair it with other repairer they replaced the engine.

Regards
Johan Naude
+27828597897

Mark (not verified)    November 13, 2024 - 9:10AM

I bought an 86 new in 2018. I've experienced no mechanical issues with 110,xxx on the clock. People need to stop driving these cars like they stole them and keep up on regular maintenance, regularly check fluids, don't ignore lights on the dash...

Mike (not verified)    November 13, 2024 - 9:15AM

I have a 2013 frs that had the motor fail at around 65k miles and it was replaced the first time. The replacement motor failed around 130k miles and Toyota decided that it was no longer covered by the life time warranty and it now has been sitting dead for 4 years

Josh Old (not verified)    November 13, 2024 - 9:16AM

I had Toyota check for RTV and they said if they found any they wouldn't charge me but if they didn't find any I would have to pay. My car had 20k miles on it. They didn't end up finding any. I didn't trust that they knew where to find it so I had an independent shop check and lo and behold there was RTV built up in the oil pickup.