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Radial Pull: Let's talk about it #4561581
11/01/17 08:43 PM
11/01/17 08:43 PM
Joined: Aug 2006
Posts: 198
Ohiuh
Dohc98vteC Offline OP
Dohc98vteC  Offline OP
Joined: Aug 2006
Posts: 198
Ohiuh
Does this happen a lot, I was told by Sears when I had a couple of alignments that told me I had a tire pull when they moved the tire around.


2018 Elantra Sport

Re: Radial Pull: Let's talk about it [Re: Dohc98vteC] #4561593
11/01/17 08:54 PM
11/01/17 08:54 PM
Joined: Oct 2009
Posts: 3,209
Wet side WA
JohnnyJohnson Online content
JohnnyJohnson  Online Content
Joined: Oct 2009
Posts: 3,209
Wet side WA
He was suggesting what as the fix to your problem?


2004 Corolla 124705
Out: VML 5w-30 TG4967 OCI 5007 Miles
In: EDGE EP 5W-30 Bosch 3311 122537 7-18-18
2006 Duramax 74277
Out: T6 5W-40 M1-303
In: T6 5W-40 XG9100 74705 4-22-18
Re: Radial Pull: Let's talk about it [Re: Dohc98vteC] #4561600
11/01/17 09:00 PM
11/01/17 09:00 PM
Joined: May 2013
Posts: 2,093
Saskatchewan, Canada
Johnny2Bad Offline
Johnny2Bad  Offline
Joined: May 2013
Posts: 2,093
Saskatchewan, Canada
I don't know what you are referring to. Can you be more specific?


'57 FL Straight 50 wt
'90 Miata 1.8L w/Rotrex Supercharger [Mobil1 0W-40]
'96 Ram 1500 [3.7L Mobil1 0W-20 / 1L 15W-50]
'01 PT Cruiser [Mobil1 0W-40]
Re: Radial Pull: Let's talk about it [Re: Dohc98vteC] #4561616
11/01/17 09:13 PM
11/01/17 09:13 PM
Joined: Jun 2003
Posts: 33,073
ME
eljefino Offline
eljefino  Offline
Joined: Jun 2003
Posts: 33,073
ME
It is a thing; I've felt it. Cured it by unmounting a tire and flipping it around, so it countered another tire that also had it. But as Ronnie Reagan says, "trust but verify." If your car has camber issues you'll have a pull, and it takes creative aligning (camber bolts, hogging holes, shims) to get it to go straight. Sears might be blowing smoke.

Re: Radial Pull: Let's talk about it [Re: Dohc98vteC] #4561623
11/01/17 09:22 PM
11/01/17 09:22 PM
Joined: Feb 2013
Posts: 10,682
Phoenix, AZ
Nick1994 Offline
Nick1994  Offline
Joined: Feb 2013
Posts: 10,682
Phoenix, AZ
I had that on my Camry, steering wheel to the right, pulling left. Swapped the RT43's left to right and the steering wheel was to the left, pulling right. Discount Tire put on a new tire and it's straight as an arrow now. Or it should be, it's been hibernating since February...


2015 Hyundai Sonata 2.4L 84k Mobil 1 AFE 0w30 & OEM
2000 Toyota Camry 2.2L 230k Valvoline 5w30 & Fram Ultra
1996 Jeep Cherokee 4.0L 147k Mobil 1 HM 10w40 & Fram Ultra
Re: Radial Pull: Let's talk about it [Re: Dohc98vteC] #4561627
11/01/17 09:29 PM
11/01/17 09:29 PM
Joined: Jan 2013
Posts: 1,350
America's Dairyland
LotI Offline
LotI  Offline
Joined: Jan 2013
Posts: 1,350
America's Dairyland
Conicity. One sidewall of the tire is taller than the other. It happens.

Have them verify the lateral force measurement on every tire using their RoadForce balancer. Keep in mind that it canít be corrected, just minimized by installation on a certain corner of the car. When it comes time for rotation, youíre back to having pulling issues.


03 Honda Interceptor
11 Kawasaki KLR 650
12 Ford E450
17 VW GTI
[IMG]http://badges.fuelly.com/images/sig-us/803455.png[/IMG]
Re: Radial Pull: Let's talk about it [Re: Dohc98vteC] #4561705
11/01/17 11:37 PM
11/01/17 11:37 PM
Joined: Mar 2008
Posts: 5,839
South Florida
bubbatime Offline
bubbatime  Offline
Joined: Mar 2008
Posts: 5,839
South Florida
Ive had it happen as well. Its very annoying to diagnose which tire is causing the problem.


17 Chrysler Pacifica Mobil 1 5W30
13 Yamaha XT250 Valv MC 10W40
12 Suzuki S40 Rotella 15W40
10 Acura TSX 2.4 PZL Plat 5W30
06 GMC Sierra Nextgen 10W30


Re: Radial Pull: Let's talk about it [Re: LotI] #4561718
11/01/17 11:52 PM
11/01/17 11:52 PM
Joined: Dec 2016
Posts: 6,226
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 6,226
Waco, TX
Originally Posted By: LotI
Conicity. One sidewall of the tire is taller than the other. It happens.


A good tire-smokin' burnout will even the tread out again! grin


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Radial Pull: Let's talk about it [Re: Dohc98vteC] #4561733
11/02/17 12:06 AM
11/02/17 12:06 AM
Joined: Jul 2008
Posts: 456
Maryland USA
rubberchicken Offline
rubberchicken  Offline
Joined: Jul 2008
Posts: 456
Maryland USA
Look up the Hunter GSP 9700 machine- they have some good notes on this problem, and how a "road force measurement" tire balance can solve them.

Re: Radial Pull: Let's talk about it [Re: rubberchicken] #4561886
11/02/17 08:28 AM
11/02/17 08:28 AM
Joined: Feb 2003
Posts: 3,421
Somewhere in the US
CapriRacer Offline
CapriRacer  Offline
Joined: Feb 2003
Posts: 3,421
Somewhere in the US
Originally Posted By: rubberchicken
Look up the Hunter GSP 9700 machine- they have some good notes on this problem, and how a "road force measurement" tire balance can solve them.

Ah ...... Mmmmmm ...... not exactly. That machine can only tell you where to place the tire, so you can't feel the pull - BUT - the tires have to stay in that positon and can't be rotated!

Where the machine is helpful is pairing tires on an axle.

First, it is conicity (root word: cone) that is the issue here. Conicity is the sideways force that a tire generates, and it can be pushing in or pushing out (or not be there at all!) (IF I remember correctly positive is pushing out and negative is pushing in.) Every tire has conicity to some extent - and it is the vector sum of BOTH front tires that is important.

Example: If you have a vehicle that is sensitive to 6, then a -4 and a +1 (vector difference = 5) does not produce a pull. But a -3 and a +3 do! (vector difference 6!) So it isn't a single tire - although changing a single tire might change the vector sum.

- BUT -

Conicity can be worn into a tire due to alignment. What commonly happens is that a rear tire will develop uneven wear (and conicity) and when it is rotated to the front, it causes a pull.

Last edited by CapriRacer; 11/02/17 08:29 AM.

CapriRacer

Visit my web site: www.BarrysTireTech.com
Re: Radial Pull: Let's talk about it [Re: Dohc98vteC] #4561900
11/02/17 08:42 AM
11/02/17 08:42 AM
Joined: Sep 2008
Posts: 9,191
Ontario, Canada
IndyIan Offline
IndyIan  Offline
Joined: Sep 2008
Posts: 9,191
Ontario, Canada
I just flipped the summer tires on the rims for the Focus as they were getting worn on the outside edge from autocross and a little "conical". For a couple weeks (600 miles) I could feel the front being a little darty as the tires were effectively adding positive camber but now they seem to have settled in almost as they were before. I used to be able to not need to move the steering wheel to keep going straight for quite a long time, now its a bit less.


07 Focus ZXW, 5spd manual, 210km M1 5W30
18 Outback 2.5 CVT 10km 0W20 "bulk subaru" whatever that is

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