#AllThingsEV #ElectricVehicles #tesla #ev
00:00 – Topic
00:08 – Intro
00:26 – Survey Data
01:12 – Model Respondent by %
01:25 – Motor Failure by model
02:47 – Motor failure by the range
04:26 – Tesla’s warranty
04:58 – Motor replaced under warranty
05:12 – Estimated cost for replacement
05:12 – Estimated cost for replacement
05:59 – Estimated failure rate
06:59 – Conclusion
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Here’s the survey if you’d like to fill it out:
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All Things EV
Sean Mitchell - All Things EV
07.06.2023Here's the survey if you'd like to fill it out: https://docs.google.com/forms/d/e/1FAIpQLSdCaOjd9X200MleVvGrUTNOVj2FlfclD3-TQfvtnyYB7AAF8g/viewform
My 2 Cents
01.12.2022It is better for all if there are 0 failures. Tesla learns and improves to reduce and eliminate failures. I would like to know what failed and if it could have been repaired.
iowa_don
01.12.2022It seems quite strange that the motor failures seem dependent on the size of the battery. Surely all of the single motor variants are using exactly the same motors. I could see that perhaps the Performance variants might have slightly different motors. And with the P85D, are you correcting for which motor is being replaced? I believe the front and rear motors are different on those, certainly with current models they are different.
Tyler Hilliard
01.12.2022Scatter plot of manufacturer date vs mileage failure
Deeya Garg
01.12.2022Which year Model S makes the biggest difference
Tom Robertson
01.12.2022Strange that 4 and 5 times motor replaced
Must have been a bad lot number
alan rickett
01.12.2022Sample size is junk and self selecting so all the data is worthless. Also only Tesla haters should contribute as the results can only be used to act Tesla nothing useful other than that can come from these results in the public sphere and Tesla has far far better data.
Mike Wurlitzer
01.12.2022One of my jobs was Sales Engineering of Variable Frequency Drives for 1000 hp and up industrial motor/VFD systems. The very well known USA OEM, had a brilliant engineer who could predict, with astonishing accuracy, just how many times a VFD could accelerate and decelerate a motor before there would be a fatigue failure in the high power MOSFETS due to the thermal expansion and contraction of the semiconductor and connecting elements cause by such swings in current flow. The failure rate of a well designed motor/VFD system would favor the motor with the VFD being the higher failure component. Don't know what or how much thermal dampening Tesla has designed into their electronic drive components but they sure seem to hold up well.
Hans Kruse
01.12.2022I filled in the survey.
Marco Nierop
01.12.2022those early Tesla Model S's are notorious for having bad motors, new motors are quite a bit better, which shows in zero Model Y and Model 3 failures in your.. quite limited.. data set..
And as said in your previous video.. People having motor failuers,, probably try to find information about this on the internet, and google places your video on top…. So your already limited data set might even be skewed towards participants actually have experience with failed motors…. People with perfectly working Tesla's may never find you… beside nerds and fanboys like me 🙂
Rick Nash
01.12.2022500,200 miles on my Escape Hybrid gasoline engine.
Wonder what fails on the Tesla motors. FETs or mechanical issues?
Mike Tubbs
29.11.2022I think it's more relevant to compare to ICE engine failure where you have to replace the engine after a certain number of miles driven. Much like the Model S, you can figure hard acceleration will put more stress on a motor, just like hard accel will blow out a Dodge Charger engine sooner. Also, you have to look at the interim costs of motor problems before replacement, such as blown head gaskets, leaks, maintenance costs, etc. that you don't have on a Tesla. That $6000 begins to look like a bargain.
Roger Heuckeroth
29.11.2022No, but our 2018 X needs a new battery at 16K miles and our 2015 85D needed a new battery at 165K miles. Both covered under warranty. No problems with our Y yet.
Ole Bloom
29.11.2022I work on cars in my friends shop that deals with all ICE cars. The 6k for a motor with a 50K warranty is about the same as some rebuilt motors for SUV's and sports sedan cars. As Mike Tubbs stated add in all the other issues with ICE and most people will see it's a pretty decent deal.
Roger Heuckeroth
29.11.2022One thing to keep in mind is that the older models had an AC induction motor and Inverter, while the Y and 3 and newer S/X have a PM motor with different inverter. So, Its kind of Apples and Oranges, combining the data.
Stan Szeto
29.11.2022What in particular was the failure? Bearings? Other than that nothing else rubs.
BryceLovesTech
29.11.2022I have a 2013 Tesla model S on its original battery with 138,000 miles on it
Daniel Zajic
29.11.2022Rad (new to me) intro. If the failure rate is that high, how will they ever make a 1m mile vehicle? Pretty surprising to me that motor failure is anywhere near pack replacement rate. What about the motor fails? Bearings? Couldn't that be fixed pretty easily?
Interesting topic, thanks for the video.
117Warbird
29.11.2022I have 25K miles on my S75 purchased new in 2017. My 4 motor failures "drive unit failure", once every 5K miles, were attributed by my service center to the play tolerance in this drive unit being too tight. The current motor, my fifth, apparently has a wider tolerance, which should not throw this error. I expect this one to last 1M miles 🙂
Bill Higbee
29.11.20222013 Model S P85, motor failed at 130,000 miles.
Everett J Clary
29.11.2022Disraeli said there were liars, damn liars and statistics…in that order. It is clear that 6.7% represents 1 "failure" (not defined) as all are a multiple of that, they are 1, 2 and 7 for a total of 15 "failures", out of 198 survyed, no doubt all true, but using numbers or statistics can certainly be used in any way one wishes to make a point, no matter how misleading…hence Disraeli's comment.
V C
28.11.2022Sample size 198 😂😂😂😂 are you kidding.
Ron Cork
28.11.2022You talk about percentages, which compares each variant against the rest but… How many actual failures occur? 75% of 5 is not a big number. 5 motors out of 500,000 installed is almost an irrelevant number.
Phillip Belcher
28.11.2022All of the negative Tess propaganda, all at once. An apparent full on effort to destroy Elon. It’s not going to work, Elon is more trust worthy than all of his enemies combined, by a long shot.
Dogphlap
28.11.2022The early Model S motors failed a lot. It turned out the bearings were failing even though they were nowhere near the mechanical limits of those bearings. What was eventually found by Tesla was the rotor, turning in a strong magnetic field would act as a parasitic electrical generator, the output of which would travel to frame earth via the motor shaft bearings causing the steel balls to be arc etched until the slop in those bearings became so bad the deteriorating gear mesh led to a lot of noise and mechanical failure.
I happened to mention this to an electrical engineer I know who informed me this was not a novel problem (which I had assumed it was). The elevator industry had exactly the same problem years earlier with their lift motors but Tesla was unaware of others having had and solving this problem years ahead of them.
My 2015 Model S70D has had no motor problems (it was built after Tesla found and fixed the above problem). I've driven 103,083 km or 64,427 miles since new.
Jason Gooden
28.11.2022racing will do it
Sonny Hayes
28.11.2022Hi Sean… Thank you for this data. I am a retired automotive engineering executive; with these high failure rates we would be running crazy trying to find the cause for such high failure rates and initiate countermeasures. For example, Toyota ICEs whole car failure rates would not exceed a 1.5% failure during warranty period, Lexus would be under 1% full car warranty and some other smaller car companies may be above 2% or slightly higher. I was totally shocked at the numbers you presented. How long could Tesla hold on with this massively high failure rates. Thanks again for presenting this data. Leo
L Kendrix
28.11.2022WOW! This is the first time hearing about motor failure! Heard several stories about battery failures and how costly! Just a reminder! It is a machine. They will all eventually break down!!
S Sing
28.11.2022This data set is too small. Easier for people with issues to report them then say nothing at all if everything is fine
Hilary Thornton
28.11.2022They aren't surveyors (that's you), they're respondents.
Tesla Trac
28.11.2022👍🏽
Hilary Thornton
26.11.2022Like the new intro, but miss your old map art background. Love having you making Tesla content regularly again.
NINJA 12
26.11.2022i don't have a Tesla. I have a Lexus RX 400h. I have 224k and have not had to replace electric motors or battery pack. Each electric motor brand new is $ 10k.
Cybernatural
26.11.2022It is interesting that the rate is so low considering the dancing bias. Often in poles like this the pros who have had a problem are almost certain to participate, but those who have had no issue feel no need to provide data.
hen van
26.11.2022Percentage figures are almost pointless, You need to come up with actual failure numbers.
Cpt Obvious
26.11.2022Not only sample size not big enough, it is also highly biased as people who respond are generally people who have had problems. So complete BS.
Nicholas Thon
26.11.2022You don’t have the LFP M3
Universe is under no obligation to make sense
26.11.2022Both my brothers are mechanics with their shops, they say never buy a BMW, Audi or MB out of warranty. Yow will need deep pockets. One of them just replaced a MB motor at $30kUS factory, he found a used one only cost $20kUS for him to do it.
Steve Blomefield
26.11.2022yukkk…. opening tune!
Steve Blomefield
26.11.2022there is a guy who has a hired tesla company that goes from los Angeles to las Vegas. He goes through an unusual amount of battery packs and motors because of the mileage he goes through. I guess others are racing car drivers, and others are young people who have a need for speed and quick takeoffs. You should eliminate these first as they are exceptions. That then gives you a fair estimate of failures.
The Electric Man
26.11.2022this is amazing
J
25.11.20226:18 sample size is low and there is also a selection bias in this survey. Those who have had failure will be sure to fill it out.
Top Hat
25.11.2022Wow. 300,000. Congrats
DIY EV Guy
25.11.2022For Model S/X with large drive unit (And Toyota/Mercedes with this motor!), it is advised to check for the infamous coolant leak annually. See also the channel of for example QC Charge for how to do this. When out of warranty, you could also rebuild the motor yourself 🙂A German guy did a million miles and is on his 13th (!) drive unit. So that is an average of ~77k mi per DU for him. Maybe a consequence of the absence of a speed limit on some German highways? Driving style? Who knows.
bevaninaustralia
25.11.2022did your survey 👍
Bernhard Kaltenboeck
25.11.2022The methodology is flawed. This would never be publishable in a scientific journal. The problem is not only sample size, but mainly biased sample collection. By soliciting responses you select for respondents that want to share specific experiences (motor failure). The right methodology would be to approach random Tesla owners and let them fill out a questionnaire that also includes motor failure. That way you get an unbiased sample.
Michael
25.11.2022I bet the next gen motors will last 500k- 1 million miles
Vega
25.11.2022I’ve been through two rear drive units in 12 months in my 2017 p100d model x. Less than 10 launches on the street, mostly highway driving. Also had a Battery replacement in that time, 3 failed struts, failed sway bar, failed axles front and rear.
Still my favorite car. My wife’s model x has had no failures
Vitaliy Skachkov
25.11.2022Please never ever use a pie chart again. It's nightmare to read it. A sorted bar chart is a much better choice.
And it's not only my opinion, it's what visualization professionals say in their books and studies
Joe Qi
25.11.2022Who cares. Nobody buys Tesla for its reliability. It's a status symbol saying look I care about environment and I am rich and I am better than you peasant!