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Discussion Starter · #1 · (Edited)
(Solved) Volvo S90 XC90 XC60 T6/T5 Vibration Issue SPA 2018 (AWD)

Hello everyone,

I had a noticeable vibration on my 2018 S90 T6 Inscription. The car was shuttering and vibrating heavily under acceleration or coasting at different speed (at 30K miles).

After inspecting and balancing the tires and wheels twice, as advised by the dealer, as usual:mad:. It turned out the axle shaft in the front right was the cause of the vibration. Easy to inspect by any qualified technician. The right side was moving while the other side wasn't. Check the below video and you will see the play in the axle.

The car was making the vibration since 24k miles and it was intermittent. I found the source of the vibration at around 30K miles, after it got worse & became permanent.


Update 1 ::mad::mad::mad:

The dealer diagnosed the car and found two issues:
1- The right drive axle had a play and needed to be replaced as expected

2- Front Prob drive shaft CV Joint is defective: The dealer showed me the new redesigned version where it is marked with a green line. If you don't see the green line on your prob shaft, this means you might have the old design one and will probably be defective.

Item#2 in the picture CV JOINT
propeller shaft.
Only for front CV joints. For rear CV joints the entire propeller shaft must be replaced. front.




Update 2 :whistle::whistle::thumbup::thumbup::thumbup:

Guys,

If you are facing this weird vibration, it's coming from the drive shaft (Propeller shaft front head) on AWD system. Check the last page in this technical journal. https://static.nhtsa.gov/odi/tsbs/2019/MC-10158649-9999.pdf

If your car doesn't have the green mark on the propeller shaft, it has to be replaced right away as it's most likely defective. The dealer replaced this part under warranty and the vibration in the cabin and drivetrain went away. However, I still have other vibration issues from two bent wheels and tire bubbles (20'' wheels sucks :mad::thumbdown:). Car mileage around 32K miles.


There is a rebuild kit #31492442 if your car out of warranty

https://usparts.volvocars.com/p/Volvo_2018_S90-20l-4-cylinder-Turbo/Cv-joint/71860600/31492442.html
 

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What was your vibration like? I.e., above 65mph, shook the steering wheel, shook the whole car?

The reason I ask is because I have a 2019 S60 T6 that starts shaking above 65. It only has 1500 miles and has done this since new. The dealer has replaced the tires 3 times; road force balanced every time, and replaced my 19” rims last week. They also did an alignment when they replaced the rims.

Here’s where I’m confused- when I picked the car up after the new rims and alignment, the car drive smoothly above 65 for the first time, but within a day I’m already feeling shaking again. This shaking causes the steering wheel to shake side to side and my passenger seat will start shaking above 72.

I’d be curious to see if you had similar symptoms. After 7 trips to the dealer for this issue, I think I’m on my own to figure this out.

Thanks,
Dennis


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Add me to the vibration crew.

Within days of picking our car up in May, with 2 miles on the odometer, it began having a faint vibration coming through the butt of the seat, indicating something in the rear. This vibration will start around 50mph and is present from there on. It does not manifest itself as a vibration in the steering wheel.

I finally took the car in a couple of weeks ago because it is a bit of a nuisance. The tech and the shop foreman took the car out and said they couldn't replicate it. The service manager asked that I come in with the car on a day that the foreman is available to ride with me so I can demonstrate the issue. He also suggested that it could be a slightly unbalanced drive shaft. I hope it's not that, and also think that's a big jump from the more obvious potential problem around the Pirellis with the noise cancellation foam in them.
 

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Discussion Starter · #4 · (Edited)
What was your vibration like? I.e., above 65mph, shook the steering wheel, shook the whole car?

The reason I ask is because I have a 2019 S60 T6 that starts shaking above 65. It only has 1500 miles and has done this since new. The dealer has replaced the tires 3 times; road force balanced every time, and replaced my 19” rims last week. They also did an alignment when they replaced the rims.

Here’s where I’m confused- when I picked the car up after the new rims and alignment, the car drive smoothly above 65 for the first time, but within a day I’m already feeling shaking again. This shaking causes the steering wheel to shake side to side and my passenger seat will start shaking above 72.

I’d be curious to see if you had similar symptoms. After 7 trips to the dealer for this issue, I think I’m on my own to figure this out.

Thanks,
Dennis


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My vibration was a multi-source one.

Source one: bent wheel and wheel out of balance. I fixed the bent wheels and balanced the wheels multiple times with no luck. Last thing I did is to balance the wheels with the Hunter GSP9700. This machined balanced my tires very well. I noticed the car has zero vibrations on the steering wheel and the feeling is firm. This what lead me to discover the source #2 of the vibration as my tires/wheels vibration is solved.

Source two: play on the axle and vibration was appearing sometimes, before it became worse, after a speed of 40 miles and above. This vibration is noticeable even on the car seats. It feels like something is not tight in the drivetrain. This is where I discovered the loose axle bolt and the bad axle. When I was tightening that bolt, it was pretty loose. Without any force and the torque wrench was moving with no force (suggested torque was 25 ft/lb). I suspect the factory forgot to tight the bolt and it damaged the axle after this mileage.

It's Easy to check if you remove the wheel cap. Becareful do not tight that bolt if the car was hot. Also just check with a 13mm socket if it was lose or not. No more than 20 degree turn of tight. Let the dealer tight it if it was loose. Maybe the factory forgot to tight that critical bolt.
 

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Discussion Starter · #5 ·
Check the tire pressure (39psi for 20" wheels) and inspect for flat spots. Flat spots can disappear after diriving the car for more than 500 miles (long commuting). Hopefully, this is the source of your vibration and it's not that axle bolt!!!
 

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Discussion Starter · #6 ·
Update::D:D:D

The dealer diagnosed the car and found two issues:
1- The right drive axle had a play and needed to be replaced as expected

2- Front Prob drive shaft CV Joint is defective: The dealer showed me the new redesigned version where it is marked with a green line. If you don't see the green line on your prob shaft, this means you might have the old design one and will probably be defective.

Item#2 in the picture CV JOINT
propeller shaft.
Only for front CV joints. For rear CV joints the entire propeller shaft must be replaced. front.

 

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I'm driving a 2016 XC90 T6 Momentum Plus.

The vibration started around 37k miles with my Nokian WRG4 tires. It was horrible for a few days, took it to the tire shop who rebalanced. Drove ok for a day and then came back. They rebalanced again and came back a few days later. Volvo then took it in and blamed it on road force with a reading of 140 pounds of road force. From what I understand, 140 is virtually impossible.

The tire shop took it back this past week for three days, swapped the originals, put the Nokians back and got the excessive shaking and thumping to go away. All they did was rebalance, again. Everything seemed great, but a few days later it is back, but just not as extreme. The thumping is all over the place. Sometimes it feels like it's under my left driver side, then other times on the right and sometimes the wheel vibrates (not lane assist vibration). It happens intermittently and now sometimes when I back-up with the wheel turned all the way, the wheel vibrates like crazy.

I am losing my mind now because I cannot reproduce this every time I get in the car to show a tech and I am just being sent back and forth between the dealer and the tire shop. Spending 1-2 hours per day in the car is officially driving me insane and I feel like I'm going crazy.

#help
 

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Maybe ask dealer to try a set of wheel and tires from a normal car. This is easy to do. If it still vibrates, then it has to be somewhere among driving shaft, axle, etc.

Fusion · Red · T8 · XC60
 

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I'm driving a 2016 XC90 T6 Momentum Plus.

The vibration started around 37k miles with my Nokian WRG4 tires. It was horrible for a few days, took it to the tire shop who rebalanced. Drove ok for a day and then came back. They rebalanced again and came back a few days later. Volvo then took it in and blamed it on road force with a reading of 140 pounds of road force. From what I understand, 140 is virtually impossible.

The tire shop took it back this past week for three days, swapped the originals, put the Nokians back and got the excessive shaking and thumping to go away. All they did was rebalance, again. Everything seemed great, but a few days later it is back, but just not as extreme. The thumping is all over the place. Sometimes it feels like it's under my left driver side, then other times on the right and sometimes the wheel vibrates (not lane assist vibration). It happens intermittently and now sometimes when I back-up with the wheel turned all the way, the wheel vibrates like crazy.

I am losing my mind now because I cannot reproduce this every time I get in the car to show a tech and I am just being sent back and forth between the dealer and the tire shop. Spending 1-2 hours per day in the car is officially driving me insane and I feel like I'm going crazy.

#help
I’m having a very similar issue, but with a brand new 2019 S60 T6. The shaking has been there since day 1- it’s worst on the freeway between 68 - 72 mph, but I’m also getting the shaking when I’m backing out of a spot with the wheel turned all the way.

The dealer has replaced my tires 3x and rims once- after the rim replacement the shaking was gone for a few days, but now it’s back. The steering wheel seems to shimmy side to side and my passenger seat will shake while I’m on the freeway.

I really can’t understand the shaking at low speed with the wheel turned- it makes me think maybe it is something with the LKA system or whatever is responsible for the haptic feedback you feel in the wheel when crossing a lane marker...?


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I’m having a very similar issue, but with a brand new 2019 S60 T6. The shaking has been there since day 1- it’s worst on the freeway between 68 - 72 mph, but I’m also getting the shaking when I’m backing out of a spot with the wheel turned all the way.

The dealer has replaced my tires 3x and rims once- after the rim replacement the shaking was gone for a few days, but now it’s back. The steering wheel seems to shimmy side to side and my passenger seat will shake while I’m on the freeway.

I really can’t understand the shaking at low speed with the wheel turned- it makes me think maybe it is something with the LKA system or whatever is responsible for the haptic feedback you feel in the wheel when crossing a lane marker...?


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When back out with full steering, I feel very slight shakes too. Guess it is steering related. Maybe the electric steering motor output is fluntuating at extreme angle. I have not brought this to dealer as seems not annoying to me.

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Discussion Starter · #11 ·
Guys,

If you are facing this weird vibration, it's coming from the drive shaft (Propeller shaft front head). Check the last page in this technical journal. https://static.nhtsa.gov/odi/tsbs/2019/MC-10158649-9999.pdf

If your car doesn't have the green mark on the propeller shaft, it has to be replaced right away as it's most likely defective. The dealer replaced this part on my care and the vibration in the cabin and drivetrain went away. However, I still have other vibration from two bent wheels and one tire has bubble. car mileage around 32K miles
 

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And to clarify your post regarding the propeller shaft, it appears to apply only to AWD vehicles.
 

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Thanks for this! I’m going to climb under there today and see if my front prop shaft has the green mark. It’s easily visible with the car jacked?

I’ve been losing my mind with this shaking and the dealer really doesn’t seem to be interested in troubleshooting my car at this point, so it’s nice to have something to go on.

The shaking seems to be resolved with the smaller rims and snow tires, but does get shaky above 80mph- I’m thinking that has more to do with the winter tires right?


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Add mine to the list. I am new to the forum, I just purchased a lightly used 2018 S90 AWD with 15k back in late October. I thought the issue at first was with the tires. I took it to a trusted place and had road force balancing done. The vibration was still there highest number was 11. I then took it to the dealer, they did not road test, but told me the front rotors were out of round. So I replaced the front rotors on my dime and on my way home it still vibrated. I have a mild to medium vibration mainly on the highway. Sometimes it happens at lower speeds, but it happens every time I am on the highway. It is in my seats, steering wheel, floor, etc. I then ordered 4 new Michelin Tour A/S tires and had them mounted and road force balanced. The car is smoother from a tire perspective, but it actually makes the vibration more noticeable. I am going to make another appointment at the dealer and point out this TJ. I am a little miffed that they didn't even road test it to see what was going on. Bummed that I just got the car and I am dealing with this problem, kind of takes the fun out of a new car. However that is what warranty's are for. I just hope I don't have to put anymore out of pocket money into this problem. So far I have almost two grand in under two months with the tires, rotors, and balancing. :facepalm:
 

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I took my S90 in this morning. I explained the trail of things that I have done road force balancing, new tires, rotors etc.. I mentioned the Tech Journal. My service rep asked the shop foreman to take a ride with me. I got onto the highway and pointed out the mild to moderate vibration and he said it was normal. I continued to drive and my phone was mildly vibrating in the center console. I also felt the vibration in the steering wheel, floor, and seat. He said it was normal. He then asked what my Road Force numbers were and I said 9 3 3 and 21. He immediately said my issue was due to the 21 on my right rear wheel. I said why I agree that the number is on the higher side Volvo noted anything below 23 is acceptable. Tire shops feel anything below 27 is acceptable. So I have them attempting to road force balance my wheels again. I may reach out to Tire Rack to see if they will replace the higher numbered tire. The issue was occurring before I got these tires and has continued since I got the tires which makes me feel like it is drive train related. Not sure how to proceed. I drove my car all weekend below 60 and the issue did not present itself. As soon as I get on the highway above 70 the issue starts and continues. If this was a part of the design and nothing could be done I would live with it. However I hear of people who do not have a vibration issue or had the issue resolved so I may need to get Volvo involved if the issue persists.
 

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I took my S90 in this morning. I explained the trail of things that I have done road force balancing, new tires, rotors etc.. I mentioned the Tech Journal. My service rep asked the shop foreman to take a ride with me. I got onto the highway and pointed out the mild to moderate vibration and he said it was normal. I continued to drive and my phone was mildly vibrating in the center console. I also felt the vibration in the steering wheel, floor, and seat. He said it was normal. He then asked what my Road Force numbers were and I said 9 3 3 and 21. He immediately said my issue was due to the 21 on my right rear wheel. I said why I agree that the number is on the higher side Volvo noted anything below 23 is acceptable. Tire shops feel anything below 27 is acceptable. So I have them attempting to road force balance my wheels again. I may reach out to Tire Rack to see if they will replace the higher numbered tire. The issue was occurring before I got these tires and has continued since I got the tires which makes me feel like it is drive train related. Not sure how to proceed. I drove my car all weekend below 60 and the issue did not present itself. As soon as I get on the highway above 70 the issue starts and continues. If this was a part of the design and nothing could be done I would live with it. However I hear of people who do not have a vibration issue or had the issue resolved so I may need to get Volvo involved if the issue persists.
Alright friends here is an update of what is going on. I have replaced the highest number new tires on my car. Tirerack was great about sending a replacement. My numbers are all below 11 now. My vibration issue persists. I sent out an email this morning to [email protected]. Not sure if I should contact someone in the US.

I got an auto reply from Customer Experience Operations stating they would look into the issue.
T +46-31-325 00 77
[email protected]<mailto:[email protected]>
VOLVO CAR CORPORATION
63780
Assar Gabrielssons Vag , SE-405 31 Göteborg, Sweden

Here is what I sent:
I am reaching out to you in hopes that you can assist me. I have a 2018 Volvo S90 T5 Momentum. I have been having an issue with a mild to moderate vibration that is felt through my entire car (Floor, Seats, Steering wheel) while on the highway mainly above 70mph. I took my vehicle to a trusted tire specialist and had my wheels road force balanced. Everything checked out and the highest number was 14 for road force.. I went on the highway and the issue was still present. I took it to BR Volvo and they did not road test the car, they simply replaced the front rotors and said that was likely the problem. (Issue was never present when braking.) I left the dealer and got on the highway and the vibration persisted. I drove the car for 1 thousand miles this way and decided I would replace all 4 tires. I replaced the tires with 4 new Michelin Primacy Tour A/S. Tires were mounted and balanced. 1 tire had a road force number of 21. All other tires were much lower. The vibration issue persisted on the highway. I made another appointment with BR Volvo and the shop foreman went for a ride with me. I mentioned that there is a tech journal about this issue and asked if they would follow the steps listed. He felt the vibration and stated that it was normal for SPA platform cars to vibrate on the highway. He asked if I had the tires road force balanced and what my numbers were I gave him the numbers and he said the tire at 21 was to blame for the vibration. He also said that he had no way of knowing if the equipment had been calibrated properly at the tire shop I went to or if there employees were correctly trained on the equipment so he said his guys could attempt another road force balance at my cost. I agreed. I was called and told my car was done. I went to pick it up and my service adviser sent me over to the cashier with no information on road force numbers or what the next steps would be. I had to ask for the information and the numbers were much higher than the first time I had the tires road force balanced. Now my highest numbers were 28 and 16. The Volvo tech recommended replacing the back two tires. When I left and entered the highway the issue was way worse. The steering wheel shimmied and there was a more noticeable vibration.The next morning I checked the tire pressure and the tires were at 42 PSI and not at 36 PSI which is listed in the door for my 19 inch wheels. I corrected tire pressure and road tested my car. Vibration was still present. I contacted tire rack and got replacement tires and had them shipped to my trusted installer. I explained what is going on to my installer and they mounted the new tires and road force balanced all 4 wheels again. This time we are at 11, 8, 6, 4. He also noted that the dealer had mounted additional weights to my wheels and they were off balance on 3 of the 4 wheels. He corrected that. He also verified that his hunter road force equipment is calibrated once a week. I payed again and left entered the highway and the shimmy was gone, however the original vibration persisted. So at this point I have been through 4 road force balancing 2 sets of tires and replacement tires. I am uncertain where to go from here. I know I am not the only person experiencing this issue. I would like to take my car to another Volvo dealer (Star Volvo Greensburg, Pa). I would really like my drive line checked and the steps in the tech journal performed past the road force balancing. I do not want to have that done again. I know there is an updated damper that could cure my issue. I am hoping you can guide me in the right direction and possibly assist with communicating with the dealer to see if we can get this resolved. I recently extended my warranty with VIP coverage with hopes of keeping my car for a while. I really enjoy it around town however my daily highway commute becomes tiring and frustrating with the vibration. I have had two other Volvo's in the past and was thrilled to get my S90. If I can just get past this issue I am hopeful that the rest of my experience will be what I have come to expect from Volvo!

Have a great day!

Josh
 

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Alright friends here is an update of what is going on. I have replaced the highest number new tires on my car. Tirerack was great about sending a replacement. My numbers are all below 11 now. My vibration issue persists. I sent out an email this morning to [email protected]. Not sure if I should contact someone in the US.

I got an auto reply from Customer Experience Operations stating they would look into the issue.
T +46-31-325 00 77
[email protected]<mailto:[email protected]>
VOLVO CAR CORPORATION
63780
Assar Gabrielssons Vag , SE-405 31 Göteborg, Sweden

Here is what I sent:
I am reaching out to you in hopes that you can assist me. I have a 2018 Volvo S90 T5 Momentum. I have been having an issue with a mild to moderate vibration that is felt through my entire car (Floor, Seats, Steering wheel) while on the highway mainly above 70mph. I took my vehicle to a trusted tire specialist and had my wheels road force balanced. Everything checked out and the highest number was 14 for road force.. I went on the highway and the issue was still present. I took it to BR Volvo and they did not road test the car, they simply replaced the front rotors and said that was likely the problem. (Issue was never present when braking.) I left the dealer and got on the highway and the vibration persisted. I drove the car for 1 thousand miles this way and decided I would replace all 4 tires. I replaced the tires with 4 new Michelin Primacy Tour A/S. Tires were mounted and balanced. 1 tire had a road force number of 21. All other tires were much lower. The vibration issue persisted on the highway. I made another appointment with BR Volvo and the shop foreman went for a ride with me. I mentioned that there is a tech journal about this issue and asked if they would follow the steps listed. He felt the vibration and stated that it was normal for SPA platform cars to vibrate on the highway. He asked if I had the tires road force balanced and what my numbers were I gave him the numbers and he said the tire at 21 was to blame for the vibration. He also said that he had no way of knowing if the equipment had been calibrated properly at the tire shop I went to or if there employees were correctly trained on the equipment so he said his guys could attempt another road force balance at my cost. I agreed. I was called and told my car was done. I went to pick it up and my service adviser sent me over to the cashier with no information on road force numbers or what the next steps would be. I had to ask for the information and the numbers were much higher than the first time I had the tires road force balanced. Now my highest numbers were 28 and 16. The Volvo tech recommended replacing the back two tires. When I left and entered the highway the issue was way worse. The steering wheel shimmied and there was a more noticeable vibration.The next morning I checked the tire pressure and the tires were at 42 PSI and not at 36 PSI which is listed in the door for my 19 inch wheels. I corrected tire pressure and road tested my car. Vibration was still present. I contacted tire rack and got replacement tires and had them shipped to my trusted installer. I explained what is going on to my installer and they mounted the new tires and road force balanced all 4 wheels again. This time we are at 11, 8, 6, 4. He also noted that the dealer had mounted additional weights to my wheels and they were off balance on 3 of the 4 wheels. He corrected that. He also verified that his hunter road force equipment is calibrated once a week. I payed again and left entered the highway and the shimmy was gone, however the original vibration persisted. So at this point I have been through 4 road force balancing 2 sets of tires and replacement tires. I am uncertain where to go from here. I know I am not the only person experiencing this issue. I would like to take my car to another Volvo dealer (Star Volvo Greensburg, Pa). I would really like my drive line checked and the steps in the tech journal performed past the road force balancing. I do not want to have that done again. I know there is an updated damper that could cure my issue. I am hoping you can guide me in the right direction and possibly assist with communicating with the dealer to see if we can get this resolved. I recently extended my warranty with VIP coverage with hopes of keeping my car for a while. I really enjoy it around town however my daily highway commute becomes tiring and frustrating with the vibration. I have had two other Volvo's in the past and was thrilled to get my S90. If I can just get past this issue I am hopeful that the rest of my experience will be what I have come to expect from Volvo!

Have a great day!

Josh
Jesus, how does anyone have the patience to read that vomit of words.

Anyway, I still have a very mild vibration at only 75mph (disappear at speed below and above that). Dealer said they rebalanced the wheels, which didn't make a difference to me. Frankly it doesn't bother me that much since I am pretty used to driving my heavily modified bmw with spherical bearings and coilover suspension. Volvo is so much more refined even with the mild vibration. I will just check the driveline myself when the weather is warmer.
 

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Jesus, how does anyone have the patience to read that vomit of words.

Anyway, I still have a very mild vibration at only 75mph (disappear at speed below and above that). Dealer said they rebalanced the wheels, which didn't make a difference to me. Frankly it doesn't bother me that much since I am pretty used to driving my heavily modified bmw with spherical bearings and coilover suspension. Volvo is so much more refined even with the mild vibration. I will just check the driveline myself when the weather is warmer.

I realize that this was a wall of text. I was attempting to keep members in the loop. I have had a number of vehicles varying from mainstream to luxury. My last car being a 2016 BMW 3 series with 18 inch wheels and lower profile tires than my S90. I just cant understand how a vibration that fills the cabin, seats, floor, steering wheel is normal or acceptable. I can drive all day below 70 and the car is much more composed and comfortable. Once I set cruise above 70 the vibration starts and persists. I don't want another car, I just want to have the issue resolved. Since this is happening across SPA platform cars. I think if we work together to identify the issue we will not only improve our experience but also allow Volvo to resolve the issue going forward. :thumbup:
 

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For those who suffers from vibration issue, the quickest and easiest way of determining without wasting your life away at the dealership is by downloading one of the vibration frequency detection app onto your phone. If it follows the rpm of the wheels, then it is either your tires, wheels, or brake, if it is approx. 2.5x the speed of the wheel, then it is the prop shaft connecting the front drivetrain to the rear.
 
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