Front Suspension Hopping after bump in the road??

[Joelaron]

Here's a wild one.. there's a little bump where two parts of the highway onramp meet in the Marina in San Francisco, northbound. I hit it every day. Yesterday, I stayed on the accelerator over the bump to pass a car and after the front wheels were on the bump, the front of the car start hopping as if it was a reverberation of the suspension that kept the wheels bouncing. Got off the 'gas' immediately and it stopped. Not making this up. So today, I did it again.. and it did it again.. but this time I kept accelerating to see it if would resolve itself... it did not, and I was 100% unable to turn the car as the bouncing increased with acceleration.. i had to pull over on the highway to let the car settle. Anyone else have this happen? Some crazy stuff going on.. and wonder if it's the 'knock' in my steering wheel that i keep feeling on acceleration at low speeds. (that I mentioned earlier in another post)

anyone?

 

[FathomBlueStealt]

I've had the same exact thing, it almost felt like the feeling when ABS braking kicks in, and yes it feels like "hopping", rapid bouncing for a few minutes.

 

[knewman]

Yikes! What drive mode were you in when it happened? I wonder if it's software or hardware causing this.

Kind of reminds me of the early fly-by-wire bug they discovered in the F-22 Raptor where certain conditions would cause the flight controls to oscillate out of control.

 

[Joelaron]

Both smooth and swift. Today I’ll try sprint. Have not updated to 2.8 yet. I’ll do that tonight.

 

[knewman]

Have you talked to service about it? Make sure you're grabbing timestamps from exactly when it happens so they can check logs for you.

 

[Joelaron]

for sure. I will mention to service when the car goes there in a few weeks for a list of other things that I've been time stamping and capturing with video. I'm updating to 2.8 now, so on the way home tonight, i'll be recording video of the 'hopping' to see if anything changed within the update. (highly unlikely, but worth a scientific test)

 

[Joelaron]

Here’s is today’s video.. repeatable. *sound on!

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[dwfallin]

Wow - that’s crazy! Love to hear what the techs say!

 

[californiaboy935]

Here’s is today’s video.. repeatable. *sound on!

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Yeah, absolutely don’t drive that. You need service asap. That is something seriously wrong with the suspension or drive train.

Park that thing and get service to come early and flat bed it.

 

[Joelaron]

**UPDATE**. chatted w/ SC today in Millbrae, and we're going to 'wait and see' since this happens in only one specific spot on the road (100% reproducible). That being said, if there is anyone in the San Francisco area and would like to try w/ their GT.

this is exactly where it happens when I accelerate on the onramp: 37.803637, -122.452239 (also see attached image).

would love to hear from anyone else, if it happens to you. the SC said that as long as the car feels safe.. i'm good.. and it does, just NOT on that onramp.

 

[borski]

That is so weird

 

[Jimmy Neutron]

I am having this problem as well, but much more frequently. I live in Westchester County NY. The roads are terrible, and there is a stretch along I-287 with the approximate equivalent of speed bumps. This happens on those bumps very regularly, and I have noticed it on other bumps as well. It typically happens when going >40 over a bump and the wheel is turned enough to just barely start to engage the power steering. It is concerning, scares my wife, and also honestly scares me a bit, particularly when I have my kids in the car.

I had a mobile tech out who said nothing was wrong and then spent 4 hours total dropping off and picking up from the service center, only to have them tell me they couldn’t replicate it so there is nothing to do.

If others have had this problem and figured it out, please let me know. I really don’t like this and need a fix.

Also, OP, was the service center able to find anything in the logs related to this when you provided the times?

Thanks.

 

[Joelaron]

I am having this problem as well, but much more frequently. I live in Westchester County NY. The roads are terrible, and there is a stretch along I-287 with the approximate equivalent of speed bumps. This happens on those bumps very regularly, and I have noticed it on other bumps as well. It typically happens when going >40 over a bump and the wheel is turned enough to just barely start to engage the power steering. It is concerning, scares my wife, and also honestly scares me a bit, particularly when I have my kids in the car.

I had a mobile tech out who said nothing was wrong and then spent 4 hours total dropping off and picking up from the service center, only to have them tell me they couldn’t replicate it so there is nothing to do.

If others have had this problem and figured it out, please let me know. I really don’t like this and need a fix.

Also, OP, was the service center able to find anything in the logs related to this when you provided the times?

Thanks.

The service center has no clue. My car is still at the service center awaiting a new windshield, and can’t replicate the issue with my loaner car (pure with RWD). So it’s 100% an issue w AWD. Service center also trying to tell me “that’s how it is”. But I’m with you… wife and kid are scared of the car. So I called ‘customer care’ yesterday and was told something that makes me seriously considering lemon law or early lease return.. “we have no control over how service centers operate as we don’t communicate with them as they’re independently operated”. WHAT!? I was agape after hearing that and replied “so you have no idea what owners are dealing with when your vehicles are in for service and you are the only customer care for lucid?” He replied, “correct, you need to work out issues with your car with the service tech at the service center”. …who literally told me that this hopping is similar to when they drive their front wheel drive car and they accelerate rapidly. Uhhhhh. No. I raced motorcycles for 20yrs, and this is not wheel spin, this is purely the suspension not able to rebound fast enough to put power down. But the service center has no clue, and most likely writing me off as another driver with isolated issue. So my plan…. When I get the car back, I’m going to replicate the issue in the same spot again, but I’m not going to back off of the throttle and just let it happen to the point of crashing or the car rattling itself apart to prove to them what is happening. I’ve driven dozens of cars over the exact area where this happens, and only the lucid has this issue. Maybe if I’m in the hospital with injuries from the result, I can get out out of my lease. I’m so frustrated with lucid customer care. Lucid as a whole are terrible at communicating. …but they have Timothée Chalamet now…. Maybe he’ll smack into a wall on the same on-ramp and report back… cause they are not listening to me (us).

 

[Jimmy Neutron]

When i dropped it off earlier in the week, it was rush hour and all of the nearby highways had standstill traffic so I couldn’t get the car going fast enough tot replicate the issue for the tech. Of course they called yesterday and told me they couldn’t replicate the issue and that they had tightened down the bolts, etc. That’s all they could do.

I went to pick up my car today. I begrudgingly took it back, and it happened within 2 miles of leaving. So, I went ahead and replicated it multiple times and shot several videos over the next 4-5 miles. I called the front desk at the service center to ask where I could email the videos, but couldn’t send them bc I was driving. To the credit of the service center manager, he had the front desk guy call me back and ask if i wanted to come back to the service center, show him the video and leave the car again. I decided to do so (even though it took another 1.25 hours of time), got him in the car and out on the highway, and replicated the issue multiple times with him in the car. He agreed it was off and described the sound as if we were going over rumble strips.

That’s is kind of how it feels when going straight on the highway, but on turns it is much more scary—kind of like going over a much bigger rumble strips and having the steering wheel get kind of tight and hard to turn.

The service manager gave me a loaner and said he would get to the bottom of it. We will see…