Fans shut off speed?
Thread Starter
Race Director
Joined: Feb 2003
Posts: 11,672
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From: Lake Wylie SC
Fans shut off speed?
Okay, we've been talking around it for a while, so I'll ask out right. Is there a speed that the ECM sees and shuts off the cooling fans if they were on? If so, where did you find the info and what is the speed? The reason I ask is that the service manual lists the items that the ECM looks at to turn the fans on and off. One of the items is Vehicle Speed Sensor (VSS).
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[Modified by Strick, 2:47 PM 7/16/2003]
:flag :flag :flag
[Modified by Strick, 2:47 PM 7/16/2003]
Thread Starter
Race Director
Joined: Feb 2003
Posts: 11,672
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From: Lake Wylie SC
Re: Fans shut off speed? (STL94LT1)
From what I can see on my Tunercat software, it is 35mph. But, I'm not 100% sure that is what I am looking at.
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From: Athens AL
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Re: Fans shut off speed? (Strick)
Its either 35 or 55mph, I have a manual here that says 55, but I'm thinking that it is wrong after driving today.
Beyond whichever mph it is, the movement of the air over the radiator is better than that which the fan provides.
Beyond whichever mph it is, the movement of the air over the radiator is better than that which the fan provides.
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Burning Brakes
Joined: Oct 2002
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From: Water Winter Wonderland
Re: Fans shut off speed? (Strick)
The stock EPROM from my 1990 is as follows:
Fan 1 disable speed: 35mph
Fan 2 disable speed: 50mph
Fan 2 disable speed w/ High AC Press Sw: 55mph
:cheers: -Bill
Fan 1 disable speed: 35mph
Fan 2 disable speed: 50mph
Fan 2 disable speed w/ High AC Press Sw: 55mph
:cheers: -Bill
Thread Starter
Race Director
Joined: Feb 2003
Posts: 11,672
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From: Lake Wylie SC
Re: Fans shut off speed? (ELEVENS)
The stock EPROM from my 1990 is as follows:
Fan 1 disable speed: 35mph
Fan 2 disable speed: 50mph
Fan 2 disable speed w/ High AC Press Sw: 55mph
:cheers: -Bill
Fan 1 disable speed: 35mph
Fan 2 disable speed: 50mph
Fan 2 disable speed w/ High AC Press Sw: 55mph
:cheers: -Bill