Kia Forte engine tapping issue resolved with Risolin treatment after oil changes on Kia Forte

Submitted by Vehicle Owner · Jan 12, 2026
Published by RepairPal

Problem overview

Some Kia Forte owners report experiencing a tapping issue in their engines, which can sometimes be alleviated with a Risolin treatment after oil changes. This treatment is believed to help keep the ringlands clean and maintain the seals, potentially addressing the tapping caused by the piston skirt hitting the cylinder wall. Owners note that this issue typically manifests when the engine is cold and may diminish as the engine warms up, particularly during winter months. Regular maintenance, including the use of Risolin, is recommended to mitigate these engine-related concerns in Kia Forte vehicles.

2 people reported this problem
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Kia Forte vehicles with this problem

1 model year affected
Average mileage: 100,000 miles
(100,000 - 100,000)

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