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Tag: window seal

Piston Slap: Stumped by Stumpy Glass Run Channels!

By Sajeev Mehta on March 29, 2019

Tony writes:

Sajeev,

This automotive design element has perplexed me for years. What is the small, usually black bump or protrusion on the front window glass run channel of certain cars? The 2010 Nissan Versa has the most obvious one that I have seen recently. Thanks!
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Posted in Piston Slap
Tagged as a-pillar, fluid dynamics, Glass Run Channel, wind noise, window runner, window seal

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