Wheel Lug Nuts

Feds upgrade investigation into 310000 Fusions, Milans for wheel issues

Feds upgrade investigation into 310,000 Fusions, Milans for wheel issues David Shepardson/ Detroit News Washington Bureau

Washington — Federal safety regulators upgraded an investigation into wheel defects in more than 310,000 Ford Fusion and Mercury Milan sedans.

The National Highway Traffic Safety Administration said in a notice posted on its website Sunday it had upgraded its investigation to an engineering analysis into 317,315 Ford Fusion and Mercury Milan vehicles of the 2010 model year over complaints of wheel stud fractures.

Wheel stud fractures can result in wheel separation and loss of vehicle control.

In January, the government opened a preliminary investigation into the Ford Fusion and has now expanded it to similar Milan models. NHTSA said it has seen 29 complaints and 128 warranty claims.

NHTSA said there have been four reported wheel-separation incidents. The agency said Ford's investigation into the cause of the alleged defect is ongoing.

Ford spokesman Wes Sherwood said Sunday the company is cooperating.

"We will fully cooperate with the government as they review this matter," he said.

Ford told NHTSA in March the majority of reports alleged just one wheel stud fractured. "Based on available data, Ford believes that significant noise and/or vibration is present prior to any risk of a wheel separation," the company said.

The automaker also said most claims became known after drivers reported hearing noise, feeling vibrations or seeing broken studs, prompting them to bring the vehicle in for service.

Ford said it began investigating allegations of rear wheel stud fractures and reports of rear wheel separation in August 2010. Ford said no cause was identified at its Hermosillo Stamping and Assembly plant in Mexico, but the Dearborn automaker revised the wheel stud and assembly processes "by adding angle control to the lug nut torque process in an effort to better identify vehicles with possible wheel stud concerns."

NHTSA said in January four vehicles listed in the complaints had low mileage — between approximately 5,000 and 11,000 miles — and the wheels had never been serviced before the alleged incidents.

Can Lug Nuts Loosen Themselves? | b2b b2c infomations

I had a scary incident last weekend. My back wheel started banging and rattling and then my tire came off and rolled down the street ahead of me. I came to a dead stop. It was Sunday and low traffic on the main road so I didn’t get hit. I had to replace the rim and tire due to major damage. I had a tire rotation 3-4 weeks ago and I put on 100+ miles on my car since that. I don’t know how they got loose.

I’d be down their throats like a fly on sh*t. As another person already said the frigging wheel lug nuts were not torqued properly. I help a guy on weekends who races a Jimmy Bernheisel late model dirt car. The 10 inch rims are attached to the five wide racing hubs with 5/8 coarse double tapered lug nuts. We use a battery powered impact gun to run the lug nuts on but we always follow up with a large handled four way lug wrench with a deep well socket welded on one of the ends.

I had a scary incident last weekend. My back wheel started banging and rattling and then my tire came off and rolled down the street ahead of me. I came to a dead stop. It was Sunday and low traffic on the main road so I didn’t get hit. I had to replace the rim and tire due to major damage. I had a tire rotation 3-4 weeks ago and I put on 100+ miles on my car since that. I don’t know how they got loose.

If so (and I bet it is) then yes, this can happen. The reason why is your aluminum wheels are held on to the hub by steel lug nuts. These two metals expand and contract at different rates as they heat up and cool down (the wheels are bolted to the brakes remember which get very hot). While not hugely common this can result in one or more lug nuts working loose, even if they were torqued to factory specs. It has happened to me twice in my driving career including once this year and it always happens a short time after wheels were removed and reinstalled. At my shop whenever we do a tire rotation or remove an aluminum wheel from a car for whatever reason we re-install the wheels using an impact gun and torque stick. Then just to be sure we hand torque the lug nuts a second time with a torque wrench. Then for really good measure we inform the customer that they should return to our shop after driving between 50 and 100 miles to have us hand torque the lug nuts again and have the customer sign a statement that they have been informed of this.

well definetly the lugs wont get losse if you tighten to its limit over limiting cause it broke down when the wheel gets hot cause it expands a bit. therefore the tire rotation person didn’t tighten them enough; over tighten them or left on e or two un tighten that could be the problem take back to them and a file a complaint so they will have to cover the damage good luck!!!

I can't believe that they didn't put the lug nuts back on the wheel correctly!

I chat believe that they didn't put the lug nuts back on the wheel correctly!

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