2021-2024 Kia AWD Models Tire Circumference Concern

Symptoms

Owners of affected Kia AWD models may notice specific issues related to tire circumference discrepancies. The primary symptom reported is a "chatter sensation felt in the drivetrain" of the vehicle. This sensation can indicate stress on the All-Wheel-Drive components.

Beyond immediate sensations, significant differences in tire circumference can lead to more severe problems. These include "premature wear" of AWD components and, in some cases, "failure of drivetrain component(s)". Addressing the underlying tire issue is crucial to prevent costly repairs.

Diagnosis / Trigger Conditions

The root cause of the Kia AWD tire circumference concern is a difference in tire size, which can stem from variations in width, aspect ratio, construction, or rim diameter. This discrepancy forces the AWD system to work harder, leading to the reported symptoms.

To diagnose this issue, technicians need to measure the circumference of each tire. The procedure involves raising the vehicle so all four tires are off the ground. Then, a non-metallic, flexible measuring tape is used to measure the entire circumference of each tire. If the measured difference between any two tires is 10mm or greater, it indicates a problem.

Repair Procedure Summary

Preventing the Kia AWD tire circumference concern involves maintaining consistent tire sizes across all four wheels. Kia recommends ensuring that tires are rotated at the intervals specified in the Owner's Manual. This practice helps to equalize wear and maintain similar circumferences.

If a variance of 10mm or greater in tire circumference is found during diagnosis, all four tires will require replacement. It is critical to install the correct tire size for your vehicle. Owners should always refer to the tire information placard located in the driver's door jamb, their Owner's Manual, or the Kia Global Service Information (KGIS) for accurate tire specifications.

Important Warnings

Owners of Kia AWD models should be aware of specific considerations regarding tire sizes. "IMPORTANT - Some AWD-equipped vehicles may be equipped with staggered-sized tires (size difference between front and rear axles)." For these vehicles, it is especially crucial to ensure that the correct tire size is installed. Always verify tire specifications by checking the tire information placard found in the driver's door jamb, consulting the Owner's Manual, or referring to the Service Information available on KGIS. Installing incorrect tire sizes can exacerbate the Kia AWD tire circumference concern.

Owner Action

If you own a 2021-2024 Kia AWD model and experience a "chatter sensation felt in the drivetrain," it is advisable to have your vehicle inspected by a qualified technician. Regular tire rotations, as outlined in your Owner's Manual, are essential for preventing the Kia AWD tire circumference concern by ensuring even tire wear.

Should a technician identify a tire circumference difference of 10mm or more, all four tires will need to be replaced. This proactive measure will help prevent premature wear and potential failure of your AWD system components. Always ensure replacement tires match the specifications found on your vehicle's tire information placard.

Source: NHTSA ID: 10242913