Cooling fan always runs - Saab NG900 & OG9-3 Bulletin Board - Saabnet.com
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Cooling fan always runs
Posted by Dave C (more from Dave C) on Thu, 9 Aug 2001 10:09:25
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The cooling fan on my 1994 900 turbo always runs, even with the a/c turned off and the engine temperature low. The fan is actually noisy now I think because it is always running.
It appears the computor controls the fan via the low and high speed relays and the relays are being grounded all the time by the computor.
The a/c pressure switch is not closed, and the power thru it switches on and off with the a/c turned on and off as it should.
The temperature switch seems to be the same one used for the fuel injection system and this reads the proper resistance at the temperatures measured from.
Has anyone experienced this problem?
posted by 148.78.2...
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