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Click on image for the lowdown. 
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| | | | Joined: Mar 2002 Posts: 9,115 'Bolter | | 'Bolter Joined: Mar 2002 Posts: 9,115 | That is called the heat riser valve. It's purpose is to provide heat to the intake manifold while the engine is warming up. That spring is a thermostatic spring so you will at least need a new spring. | | |
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