Taitertot
Livingston, TX
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I'm driving a 2006 F350 dually with LT 245/75 R17, BF Goodrich Rugged Trail T/A tires and 26,000 miles on them. I haul a 2004 38' Alpenlite 5ver. A couple of weeks ago I noticed a humming noise at low speeds; took a look at my front tires and they are showing spotty/cupping wear. Ford dealer told me to buy new tires. At this point the wear is not too bad....can I move the front tires to the back and will they then be OK (after rebalancing them)? What may cause something like this? I have not rotated the tires.
Any help is appreciated. Taiter
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Retired CDF'er
Fresno, Ca., USA
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Joined: 10/27/2004
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Click here for your answer
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Retired CDF'er
Fresno, Ca., USA
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Also, after repairing what is causing the cupping, you can safely rotate the cupped tires to a different corner as long as there is sufficent tread left.
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Gale Hawkins
Murray, KY
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When we did our detailed tire inspection for year six we noticed the same thing and moved them to the rear inside positions. Our steering damper was just kind of hanging in place so we think that was permitting some shimmy to take place and it did happen in a major way once when we came of the far side of a bridge.
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pulsar
Lewisville, NC
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Moved from Forum Technical Support.
2002 Adventurer 32V - Workhorse chassis
1998 CRV toad - manual transmission
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Taitertot
Livingston, TX
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Thanks for the information. I'll do a better inspection of what may be causing the problem and then move the front tires to the rear.
Dick and Jeri
2004 Alpenlite Portofino 5th Wheel
2004 Ford F450 6.0 Diesel...The Beast
"...Travlin' along, singin' our song, side by side."
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BenK
SF BayArea
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Joined: 04/18/2002
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Mostly due to a lack of tire rotation every 3K-5K miles and usually happens to
trucks & 4x4's.
Here are some historical threads on this topic with solutions and discussion.
http://www.woodalls.com/cforum/Index.cfm........ead/tid/259532/gotomsg/259611.cfm#259611
http://www.woodalls.com/cforum/Index.cfm........d/14181590/gotomsg/14181731.cfm#14181731
http://www.woodalls.com/cforum/Index.cfm........d/15477857/gotomsg/15487614.cfm#15487614
http://www.woodalls.com/cforum/Index.cfm........d/16998470/gotomsg/16998923.cfm#16998923
http://www.woodalls.com/cforum/Index.cfm........d/17491624/gotomsg/17492010.cfm#17492010
-Ben Picture of my rig
1996 GMC SLT Suburban 3/4 ton K3500/7.4L/4:1/+150Kmiles orig owner...
1980 Chevy Silverado C10/long bed/"BUILT" 5.7L/3:73/1 ton helper springs/+329Kmiles, bought it from dad...
1998 Mazda B2500 (1/2 ton) pickup, 2nd owner...
Praise Dyno Brake equiped and all have "nose bleed" braking!
Previous trucks/offroaders: 40's Jeep restored in mid 60's / 69 DuneBuggy (approx +1K lb: VW pan/200hpCorvair: eng, cam, dual carb'w velocity stacks'n 18" runners, 4spd transaxle) made myself from ground up / 1970 Toyota FJ40 / 1973 K5 Blazer (2dr Tahoe, 1 ton axles front/rear, +255K miles when sold it)...
Sold the boat (looking for another): Trophy with twin 150's...
51 cylinders in household, what's yours?...
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jharrelson
Carson City, Nevada
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Many years ago I owned and operated a Western Auto Store... We sold a lot of car and truck tires..
One day one of the "movers and shakers" of the town came in and said that I had sold him some bad tires because they were "Cupping" after only six months of use..
He said that he knew the tires were bad because his service station mechanic told him so..
Welll........ it just so happened that just that morning I had read an article in my "Popular Mechanics" magazine.
The article was written by a well known and recognized authority on the subject of tires..
In his article, he stated that ... the only thing that will cause "cupping" on a car tire is bad shock absorbers"
I invited the man to have a Coke and let him read the article... after reading the article, he thanked me and bought a pair of shocks for his Buick.
He took the shocks back to his service station where his mechanic installed them..
Because of that incident, I began to get a lot more business from his very large farming Enterprise and became the only place he would allow his mechanic buy parts for the service station..
So it pays to read and learn from the experts...
John
John Harrelson
Carson City, Nevada
fulltime since 1977
93 Ford 350 4wd Diesel
95 Prowler 30.5 ft 5th wheel w/slide
TWO CENTS WORTH
The story goes that a man died and was approached by the Devil who told him that he could buy his soul back for a dollar. The man searched his pockets and could only come up with 98 cent. While begging the Devil to forget the two cent he was short, an Angel happened by and hearing the Devil laughing, asked the man, "Would you mind if I put in my two cents ?" The Devil got so mad that he exploded in a puff of smoke and the man's soul was saved.
The moral: Sometimes putting in your two cents worth makes a difference.
JOHN "the cook" 1997
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TankerDude
West of Middle Earth
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Joined: 01/05/2007
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All of this is great info, just don't expect the cupping to go away. Once a tire has odd treadwear damage, it will not heal itself. The best you can hope for is to do exactly what you're going to do. Move them to the rear axle and you'll get alot more miles out of them. THEN you can go do what that genius at the Ford dealer told you... go buy new tires.
I make it a point to rotate my tires every time the oil is changed. This makes it easy for me to remember.
2004 Ford F350 PSD 6L 4x4 Crew Cab.
2007 Jayco Eagle 322 FKS.
Camping with DW Terry,
Bobi-Sue and Billy-Joe,
Westhighland White Terriers
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