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Front axles keep braking

tanyaelise

New Member
Mar 15, 2021
1
0
Maryland
maybe it’s already fixed? I don’t see too many newish cars with this problem being reported.

hard to believe it would go on this long without being addressed. According to YouTube videos, it has been a MS problem too.

I don’t tend to drive like a ‘maniac’ so not sure it would affect me anyway.
I've had three half-shafts replaces and I'm under 8500 miles. Two LH and 1 RH. Model S LR
 

STAR172E

Member
Jun 22, 2019
5
2
Europe
I hope they cured it as I get new ones installed next week. Just before the end of my warranty.
Has it worked? I replaced mine after about 15000km and it started to shudder before it got to 20k. Service centre recommended waiting before replacing them again. So driving on low when I drive fast or accelerate hard untill then.
 

NewHorizons

Member
Jun 15, 2020
21
11
Rowland Heights
I have a Model X long range that is a little over 1 year old with about 12,000 miles on the odometer. It developed the "dreaded" suspension shudder under acceleration. Tesla replaced both front axles and this seemed to help, however after about 600 miles of driving following the replacement I was just driving around town at low speed one evening and as I slowed down for a stop light there was a loud "thump" on the front right side followed by a very loud screeching/grinding noise. I pulled to the side of the road and the car shut down. I contacted Roadside Assistance. They had me reset the car and try to move it; however, it would barely budge and there was a loud grinding noise coming from the front when I stepped on the accelerator. Tesla sent a tow truck and towed the car to the Marietta, GA Service Center (about 120 miles from where I live). They serviced the car the next day and told me that one of the newly installed front axles had broken. Also, after they replaced that axle they took the car out for a test drive and the other newly installed front axle broke. So, they replaced that one too. When I picked-up the car the next day, I was told that when the axles were originally replaced they hadn't been seated properly and that now the problem should be solved. So, I returned home and the car seemed to be running fine with no vibration (shudder) when accelerating. Today I took the car out for a short drive and as I accelerated away from a stoplight, I heard the same loud "thump" on the front right side followed by the same grinding noise. So I assume an axle has broken again. This time the car continued to be drivable and I was able to make it home. I've set-up another service appointment; however, since this problem has happened twice now in close succession I'm starting to wonder if there is some basic flaw in the drive train. Even if they repair it again, I won't feel I can trust the car for trips (i.e., I worry I'll get stranded somewhere far from home and possibly far from Tesla Service). I'm wondering if anyone else has had this problem and if they know what it took to fix it.
this video explains the root cause and installation of parts needed to correct the dreaded shudder issue.
 

chukiechz

Member
Jan 3, 2020
102
23
Orange County, CA
Has anyone done this upgrade? I’d like to try it, but I have another 3 years of warranty, so I don’t want to deal with having that voided because I’m trying to fix Tesla’s problem.
 

andrewdtran

Member
Jun 10, 2020
104
58
Houston, Texas
Got my new X in December. No shudder. Apparently new axles according to parts number in customer services manual seems to have fixed issue. Have 3500 miles and no shudder on any height of suspension.
I also picked up my new X in December 2020 and we started experiencing the shudder during acceleration around 8500 miles, we're at ~9000 miles now and the problem's becoming more pronounced
 

iustin

Supporting Member
Feb 5, 2020
94
40
Switzerland
this video explains the root cause and installation of parts needed to correct the dreaded shudder issue.
OK, I don't know much about cars, but this video tols me that dynamic suspension systems (height-adjusting) seem to be a bit too finicky. Maybe just like the FWDs :)

Why does Tesla make it so hard to choose between models… Price aside, I'd love a MY with dual screens and larger battery pack, but I'm not sure I'd want the suspension issues of MX.
 

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