Question about 1994 Buick Roadmaster
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Posted on Jan 02, 2017
SOURCE: Buick Roadmaster radiator fan
hi Russ, it sounds like the temperature switch is bad. It is located under the hood, front engine area, driver side, end of intake manifold, mounted in the block. U should be able to test it w/ an ohmeter as follows: disconnect wiring (check for loose, corroded, etc as that could be the problem) remove temp. switch, place in an old pot w/ water on stove, w/ temp below 99 degrees, connect ohmeter to terminals, reading should be zero. Heat water to above 99 degrees, check , should read infinity. If it fails this test, it's time to replace it. Good luck, let me know how u make out Curt from Connecticut.
Posted on Mar 16, 2009
I find it funny nobody mentioned the cooling fans as a possibility. I am almost positive these have electric cooling fans. Especially if it is equipped with the LT1 350 engine. Do you hear the cooling fans coming on?
What happens if you put the car in nuetral and just raise the RPMs a little. Does the temp drop or does it continue to go up. If it goes down than you have a flow issue at low RPM (which could be a result of low coolant). If it goes up than I would be even more suspicious of the cooling fans not working.
Posted on Jan 30, 2011
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