QX56 AWD V8-5.6L (VK56DE) (2005)
4.
Apply a moderate amount of lubricant to the corner of a clean rag.
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Use Dupont Krytox(R) lubricant GPL-105 (listed in the Parts Information).
5.
Rub the lubricant on the entire upper body side seal; the one you just cleaned (see Figures 1, 2 and 4).
6.
Test drive the vehicle with the front windows fully UP.
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If the noise is gone the repair is complete.
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If the noise is still there continue with this repair procedure.