Honda pax tires

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If you have an eye for vehicle modification, you may have spotted the odd third-generation Honda Odyssey minivan rocking a set of BMW alloy wheels. While the choice of wheels is certainly stylish, the underlying factors in running wheels from depreciated Bavarian hoopties are cost and hassle. While the second-generation Odyssey packed its spare tire under the floor with access through the cabin, the third-generation Odyssey did things a bit differently. Many minivans were moving towards offering seating for eight, so Honda offered a removable second-row center seat that it needed to stow somewhere in the vehicle for the sake of convenience. So Honda stowed that seat under the floor, carved out a spare tire compartment in the cargo area wall, and all was well, right? Well, not quite.

Honda pax tires

The Michelin PAX is an automobile run-flat tire system that utilizes a special type of rim and tire to allow temporary use of a wheel if its tire is punctured. The core of Michelin's PAX system is the semi-rigid ring installed onto the rim using special equipment. It provides support to the tire and its sidewall to allow emergency operation at limited speed until such time as the tire can be replaced. Cars that use the system include supercars like the Bugatti Veyron EB Prior to the late s introduction of the Michelin PAX System [1] run-flat technology, both Michelin and Goodyear had introduced a "zero-pressure" run-flat technology, meaning that a pneumatic air pressure-supported tire could support itself with no air pressure. The new zero-pressure tire was a modified standard tire, constructed with a sidewall that was much stiffer and heavier, so as to support the weight of a car running at speed without careening out of control. The heavier sidewalls and special bead construction allowed a driver to drive a car with little or no air pressure at a limited speed approximately 50 mph over some specified distance to a service station, or at least off the roadway out of immediate danger. In a conventional pneumatic tire, loss of pressure at speed would result in the collapse of the soft tire sidewalls such that the metal wheel edges would slice through the collapsed sidewalls, which would likely result in an accident, possibly fatal, as well as the destruction of the tire, and possibly the wheel. Michelin also introduced a similar tire in the mids called the Zero Pressure System, and the ZP designator differentiates this type of run flat tire from a conventional tire. Such tires required the introduction of a Tire Pressure Monitoring System , sensors and instrumentation in the car, which would indicate to the driver a condition of dangerously low tire pressure. With conventional tires, low tire pressure can be noticed due to sidewall deformation; With reinforced sidewall zero-pressure run-flat type tires, there is no warning when a tire was going flat. This low or no-pressure condition was almost impossible to detect by the driver with a zero pressure run flat, until the tire failed. The PAX system approached the problem differently, requiring a system of parts, not just a different tire. Rather than extra stiff and supportive sidewalls, the PAX system relies on a newly designed asymmetric wheel, a supportive insert and a similarly asymmetric tire combination to provide an extended run-flat capability of up to miles at 50 or 55 mph.

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Should I strive to replace these tires with comparably heavy tires? For example, should I get steel wheels instead of alloy? PAX tires have a 28" diameter on a roughly 17" wheel. Does it matter how large the replacement wheel is, so long as the tire is still 28"? There also might be some information in your owners manual. Are rims for run-flat tires different than regular rims?

Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. In December I took our Ody Touring in for its 30, mile service and oil change along with tire rotation.

Honda pax tires

The Michelin PAX is an automobile run-flat tire system that utilizes a special type of rim and tire to allow temporary use of a wheel if its tire is punctured. The core of Michelin's PAX system is the semi-rigid ring installed onto the rim using special equipment. It provides support to the tire and its sidewall to allow emergency operation at limited speed until such time as the tire can be replaced. Cars that use the system include supercars like the Bugatti Veyron EB Prior to the late s introduction of the Michelin PAX System [1] run-flat technology, both Michelin and Goodyear had introduced a "zero-pressure" run-flat technology, meaning that a pneumatic air pressure-supported tire could support itself with no air pressure. The new zero-pressure tire was a modified standard tire, constructed with a sidewall that was much stiffer and heavier, so as to support the weight of a car running at speed without careening out of control. The heavier sidewalls and special bead construction allowed a driver to drive a car with little or no air pressure at a limited speed approximately 50 mph over some specified distance to a service station, or at least off the roadway out of immediate danger. In a conventional pneumatic tire, loss of pressure at speed would result in the collapse of the soft tire sidewalls such that the metal wheel edges would slice through the collapsed sidewalls, which would likely result in an accident, possibly fatal, as well as the destruction of the tire, and possibly the wheel. Michelin also introduced a similar tire in the mids called the Zero Pressure System, and the ZP designator differentiates this type of run flat tire from a conventional tire.

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All cookies Deny Manage options Save preferences Manage options. For starters, the PAX system used metric tire sizing. The new zero-pressure tire was a modified standard tire, constructed with a sidewall that was much stiffer and heavier, so as to support the weight of a car running at speed without careening out of control. In addition, a spare tire kit would be offered by Honda for those cars originally equipped with the PAX system tires since servicing may be impractical in certain geographic areas. Michelin also introduced a similar tire in the mids called the Zero Pressure System, and the ZP designator differentiates this type of run flat tire from a conventional tire. The inner support ring is also coated with a gel that is required to lubricate the rotating flat PAX tire. The PAX system approached the problem differently, requiring a system of parts, not just a different tire. As I recall I was close to needing new tires anyway so I just got 2 new PAX tires on the front and replaced the other 2 about 6 months later. Rather than alleging the PAX system was defective, the suit charged that the PAX tires and special wheels were unreasonably difficult to repair or replace. The is the tire diameter in millimeters, the is the wheel diameter in millimeters, and the A designates the PAX system. I Depaxed 2 years and over 26, miles ago with 16" after market wheels and General Altimax RT43 tires and have no regrets, and really wish I would have done it much sooner.

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Tools Tools. Contents move to sidebar hide. All that sidewall reinforcement compromised flexibility over bumps while contributing to unsprung weight. Just search and read on. That is the outside diameter of the wheel is smaller than the inside diameter of the wheel. So in reality, the consumer was still left with a single supplier solution. It provides support to the tire and its sidewall to allow emergency operation at limited speed until such time as the tire can be replaced. Consenting to these technologies will allow us to process data such as browsing behavior or unique IDs on this site. Would love your thoughts, please comment. Aquaplaning Groove wander Slip vehicle dynamics Tramlining. The PAX system weighed approximately the same as four conventional tires plus a spare. Good luck. Ya still see a few like that running around here in arizona. In theory, everything seemed brilliant. Not consenting or withdrawing consent, may adversely affect certain features and functions.