Question about 1998 Oldsmobile Intrigue
You might try the following; Turn on your AC for a moment and check to see if both fans run.
On most cars, this will let you know if the fan motor has failed or not. When the AC is turned on, most will bypass the temperature switch via relay and run both.
If the engine fan doesn't turn on it may just not have been asked to run though.
If they both run, then its time to crawl under and check the lower tank of the engine radiator for a device screwed into it with either one or two wires coming from/to it. These are pretty common failures and are bimetal thermal switches that monitor the incoming coolant temperature to determine if the fan is needed or not. You shouldn't need more than a properly sized or even a Crescent wrench. I would suggest wrapping a few layers of Teflon plumbing tape around the new one before installing it.
Somewhere under $50 US and could be far cheaper. You might call a couple of places to see who has the fairest markup.
If you leave the system closed and the engine is cool, have a catch basin under the switch area and you may not have to drain your system since the coolant will not gush out due to the vacuum formed by the coolant trying to escape.
If you lose any on the ground, hose it away to dilute it and avoid having the toxic stuff lapped up by an animal; it's kind of sweet and many dogs and cats will drink it if available.
Posted on Oct 02, 2008
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Posted on Jan 02, 2017
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