C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Man Fan Speed

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Old Oct 17, 2011 | 10:52 PM
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vetntow
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Default Man Fan Speed

88 Vette, when selecting manual fan, seems fan speed increases very little. Shouldn't be blowing pretty good by 10???
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Old Oct 18, 2011 | 12:15 AM
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C4's are not known for having the most powerful of blower fans.
May also have rubbish inside ducting restricting airflow

Hot wire the blower motor directly to 12V and see if it runs any faster than from dash control.
If it does ,the blower control module may be on it's way out
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