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Archive for February, 2007
Retreading
Posted by Josh from Industry, CA, US on February 28, 2007
I continuelly hear about how great it is to retread your old tires. The problem I’m having is finding someone to buy my old casings to retread them. Do you have any suggestions?
Retreading tires for use on drive axles and trailer axles is very common in the trucking industry. Finding a commercial tire dealer that provides this service should not be too difficult. Try the dealer locator on our commercial tire website www.goodyear.com/truck. If you have retreadable casings, the retreader can either retread the tire casings you provide to him or he can make you an offer to buy your casings from you.
8r19.5 G647 RSA & RSS question
Posted by Bud from Grass Valley, CA, US on February 26, 2007
I have a 27 foot class A Motor Home that has a 8r19.5 G647 RSA tire on the left front and a Cooper tire on the right front. The G647 tire has hardly any wear and I don’t like the idea of mixed tires and especially on the front. I’ve tried to find a G647 RSA, but they’re no longer available. Can I put on the RSS tire, as a replacement for the Cooper tire, and expect the same ride as I would have with the RSA tire, or is it recommended that I change both?
Yes. Goodyear no longer makes the G647 RSA tire and the G647 RSS is very similar. This tires ride properties should be very similar to the RSA tire.
Age of Tires
Posted by Ron on February 20, 2007
Hi Tim,
I have a 1977 GMC Motorhome that I purchased with 6 - 225 75R16 LR-E tires. The tires have less than 10k on them and the motorhome has been stored for the last five years. The tire year code is 2001. The tire sidewalls literally look brand new with no weathering of any kind. I have read that for this type of motorhome the tires should be swapped out every five years no matter what. However these tires are like brand new. Could the tires have cracking on the inside and not the outside? Should I have one of them pulled and checked internally? Or should I quit being paranoid and just run them for a few years more?
Goodyear does not state a "uniform" replacement age for tires because there are many conditions that dictate a tire's safe and effective life span. Some factors that influence how long a tire will last are:
Usage per year - more frequent usage will result in longer life
Vehicle storage practices (6 months loaded with little or no rotation is not good!)
Usage in warmer climates can also negatively impact a tire's overall life due to greater extreme ozone exposure
A tire should be replaced when cracks are more than 2/32 " deep or internal components of tire (steel or fabric body plies) are visible. However, the tires in question should be inspected by an authorized Goodyear dealer to determine whether or not they are serviceable.
Manufactured Date
Posted by Paul on February 17, 2007
I have a 1993 Corvette and wondering when the Goodyear Eagle tires were manufactured.
The number I found on the inside of the tire are M6Y2 LDDR 312.
Want to determine if I should be replacing the tires?
Although your question is about consumer tires, the week and year of manufacture is the same no matter what kind of tire is at issue. In your case, the 312 indicates that the tire was built during the 31st week of 1992. In early 2000, the date code system was changed to a 4 digit code (MMYY). In other words, 1203 would mean that the tire was produced in the 12th week of 2003. Tires (particularly commercial truck tires with multiple retreads) were in service for so long, it was often not possible to determine if they were 1 year old or 11 years old with the old 3 digit system. The new system designates the decade as well as the final digit of the year.
Pattern
Posted by George on February 12, 2007
What is the pattern for trucks with duals, and what would be a good milage.
I am not 100% certain what you are asking with your first question but, I will assume you mean what kind of rotation pattern should be used. If that is the case, my answer is to move the tires from the forward axle to the rearward axle (and visa versa) and to reverse the direction of rotation. Although many fleets do not do this with their drive tires, it does even out the wear between the two drive axles and cleans up any irregular wear that may have begun. Regarding the second question, that is nearly impossible to answer unless I know the type of service the truck is running. Waste pick-up vehicles get a lot fewer miles out of their drive tires than a line haul tractor.