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All of a sudden reving up and down when cold

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#1

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06-15-2009, 09:30 PM

dialric

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AAV

Sir, please tell me what part is the AAV ? thanks Richard

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#2

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06-15-2009, 10:14 PM

Graham

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Originally Posted by dialric

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Sir, please tell me what part is the AAV ? thanks Richard

See below - It is an air slide valve that is actuated by a bulb that penetrates into the coolant space at the top of the block. As the bulb heats up, it pushes the slide upwards so as to restrict the air flow.

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All of a sudden reving up and down when cold-280separts.jpg

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