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2008 Cobalt 5-Bolt - Coupe
  • Engine: 2.2
  • Drive Type: FWD
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Superchargers and Turbos » Blow-Off Valves

Blow-Off Valves

 

What is a blow-off valve?

A blow-off valve (BOV), compressor bypass valve (CBV) or dump valve is a pressure release valve that takes the load off the turbocharger when the throttle is suddenly closed.

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