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Old 09-07-2010, 12:51 PM   #1
gene5118
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95 Lumina radiator fans

My primary radiator fan will not come on. I have gotten it hot enough, it should turn on. My A/C fan will work but during this 95+ degree summer it would still run tooo hot without the primary fan. Temp sensor replaced, relays test good, jumping relays primary fan will run. Unplug temp sensor and only the a/c fan will run. I am thinking this only leaves wiring or the brainbox. Anyone have any thoughts to add? Its a 3.1 sedan.
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Old 09-08-2010, 09:10 AM   #2
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Re: 95 Lumina radiator fans

There's two temp sensors...you may not have replaced the one the ECM uses to determine when to start the fan...
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Old 09-08-2010, 06:15 PM   #3
gene5118
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Re: 95 Lumina radiator fans

Didn't know there were two sensors, I replaced the one by the thermostat housing. Its threaded into a water jacket. Where is the other one?
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