gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Interior - Excessive Wind Noise In Interior Of Vehicle|Page 22001 > < Interior - Excessive Wind Noise In Interior Of Vehicle|Page 21999
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Note
Ensure that the cross-car adhesive foam is positioned at a height just below the insulator push pin fastener locations so that once the fasteners
are installed, the seal is compressed.

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Across the inner rear body panel, matching the width of the insulator panel.

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Downward from each end of the cross-car foam (left side (1) shown in the graphic above). The length should match the height of the insulator
panel.

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Partially around the two PRV's. Install the foam down the outboard side (1), underneath (2), partially back up the inboard side (3), then finish
with a length extending further inboard (4) from the PRV.

Important
Ensure that any C-pillar wiring harnesses/connectors are routed forward of the insulator, and not trapped behind it.

4. Position the body rear panel insulator to the inner rear body panel and install the push pin retainers. Caution should be taken to not disturb the

foam tape installed previously.

Interior - Excessive Wind Noise In Interior Of Vehicle|Page 22001 > < Interior - Excessive Wind Noise In Interior Of Vehicle|Page 21999