My SWS experience - Club Touareg Forums
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post #1 of 15 Old 12-10-2018 Thread Starter
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My SWS experience

3,500 miles on my conti x contacts. Developed SWS shortly after install. I had this done right when i purchased it.
Balance at VW to no avail.

Made sure dealer followed TSB and I did the TSb myself.

While out of town I took it to a Porsche dealer. Since during the trip sometimes it was acceptable, others not. Happens above 65 mph.

Dealer comes back and says...you have flat spots in your tires.

They said they can balance or balance and do some full road force job, but basically the tires are jacked.

My Greg does sit alot. Probably drive once or twice a week for about 100 miles.

But the question arises, if I get vw to replace tires, which I doubt, won't this tire get flat spots again? Should I have gone with a v rated tire instead of h?
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post #2 of 15 Old 12-11-2018
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I wouldn't have thought you would get flat spots after just a few days standing.

VW Touareg models are as follows:
Generation 1: T1 is model 7LA & facelift T2 is model 7L6
Generation 2: T3 is model 7P5 & facelift T4 is model 7P6
Generation 3: T5 is model CR7 [Not available in "VW Atlas" North America!]
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post #3 of 15 Old 12-11-2018
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Tires can develop flat spots from sitting for just a few hours after the tire "cools". The flat spots go away as the vehicle is driven and the tires heat up. Hence why the VW TSB mentions this and to also have the RFB done just after the vehicle is driven and not after sitting.
That being said, new tires when manufactured can have flat spots as well. Mine did and even after the RFB and TSB followed I had a slight SWS. The SWS went away after driving the vehicle for 500 miles or so. Felt great after that. I'm assuming a very slight amount of wear/scrubbing from driving occurred to minimize the manufacturing flat spots enough to get rid of the SWS. This is just in my case and just my opinion on the matter.

The same happened with the 18" OEM VW rims and new snow tires I just had installed. The SWS was there when done but is now gone.


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post #4 of 15 Old 12-13-2018 Thread Starter
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Update here. After driving 400 miles on Porsche re-balanced the tires. There is improvement in SWS for sure.

But, it still happens just more random. It starts at 65 to 70 and is the worst at 75.

HOWEVER, at times 75 is smooth with now SWS. Then maybe some road condition change or other condition happens and then I get SWS.

So, that said. I am tending to agree that the tires are jacked, because if it was incorrect mounting, it would be felt at all times.

The tires are obviously adjusting to road condition.

The Plan: Today I opened a claim with Conti, and tomorrow I am having a new set of TerrainContacts installed. 109V rated, light terrain tire.

If my new tires do not solve the problem. I am back to the dealer for steering gear fix. I don't see that I have any other options.
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post #5 of 15 Old 12-13-2018 Thread Starter
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Quote:
Originally Posted by New2Tregs View Post
Tires can develop flat spots from sitting for just a few hours after the tire "cools". The flat spots go away as the vehicle is driven and the tires heat up. Hence why the VW TSB mentions this and to also have the RFB done just after the vehicle is driven and not after sitting.
That being said, new tires when manufactured can have flat spots as well. Mine did and even after the RFB and TSB followed I had a slight SWS. The SWS went away after driving the vehicle for 500 miles or so. Felt great after that. I'm assuming a very slight amount of wear/scrubbing from driving occurred to minimize the manufacturing flat spots enough to get rid of the SWS. This is just in my case and just my opinion on the matter.

The same happened with the 18" OEM VW rims and new snow tires I just had installed. The SWS was there when done but is now gone.


.
That is good to know because Discount Tire offers a 30 day exchange. So, If I have SWS after new set of tires, I should drive at least 500 miles within 30 days.
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post #6 of 15 Old 12-13-2018
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Did they follow the VW TSB on re-mounting the wheels/tires on the vehicle after the Porsche re-balance?


When you get your new tires RFB'd ask them to follow the VW TSB on remounting them to the vehicle. Attached is a copy below that you can print out and bring with you. Also if they are doing a RFB ask them if the wheels or new tires had any flat spots.
Let us know how it worked out.


.
Attached Files
File Type: pdf Touareg wheel TSB.pdf (390.3 KB, 15 views)
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post #7 of 15 Old 12-14-2018 Thread Starter
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Yes. Porsche did as I provided them the TSB and watched the process.

Will update.
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post #8 of 15 Old 12-14-2018 Thread Starter
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Update. New Conti TerrainContacts are on.

The tires are great. I really like the feel and the look. Shop said they only found 1 tire with flat spots.

The bad. SWS is reduced, but still there 70 to 80. It is not horrible, but its there.
I checked PSI. 36 in front, and 42 in rear. I provided the techs with the TSB.

What should I do? Try lowering PSI, give it 500 miles, contact VW about steering gear.

I can't believe this. Why is it so hard?
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post #9 of 15 Old 12-15-2018
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My SWS experience

Quote:
Originally Posted by clickscrazy View Post
Update. New Conti TerrainContacts are on.

The tires are great. I really like the feel and the look. Shop said they only found 1 tire with flat spots.

The bad. SWS is reduced, but still there 70 to 80. It is not horrible, but its there.
I checked PSI. 36 in front, and 42 in rear. I provided the techs with the TSB.

What should I do? Try lowering PSI, give it 500 miles, contact VW about steering gear.

I can't believe this. Why is it so hard?


I bet the tech hammered down the wheel lug bolts with an impact gun. They need to be tightened in proper order with a torque wrench.

Itís not the tires causing SWS, it comes down to improper wheel mounting. Get a floor jack and torque wrench and do it yourself, the right way.


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post #10 of 15 Old 12-15-2018 Thread Starter
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Quote:
Originally Posted by bobbydigitali View Post
I bet the tech hammered down the wheel lug bolts with an impact gun. They need to be tightened in proper order with a torque wrench.


Sent from my iPhone using Tapatalk
I provided the TSB. It looked like they followed it from what I saw. The only thing different was that they said they use impact to 65lbs, then hand torque to spec.

I am bringing it back Monday. To have them re-check everything.

But remember, I had this at porche just days earlier. and watched them implement TSB.
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