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Before coupling a trailer or loading cargo, the NEWSTAR Valve controls the release of air so the chassis can drop to a workable height. This inversion valve opens an exhaust path that lets pressure leave the suspension bags instead of keeping the vehicle raised. In daily use, that height change can help with trailer alignment, dock positioning, or service access around the suspension. The valve manages airflow within the air suspension circuit rather than relying on manual suspension adjustment. For controlled chassis lowering, the NEWSTAR 280758 handles the dump function directly.
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