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How hot do I let it get? 850 1996

posted by  jd40u on  Sat Dec 13 00:35 CST 2008
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last visit: Fri Jun 22 16:21 CST 2012
[RELATED]

85,000 miles. A week ago I noticed the temp gage was hotter than usual (usual is 4:30 on a clock dial). When in stop and go traffic, the gage would rise to 2:45 position, but on the highway would drop to the usual position (we're in 35 degree air this winter). When hot, the fan was not running.

I determined:
the fan will operate on both speeds (jumpering both leads)
the fan relay works on both speeds
So, I replaced the engine temp sensor - and the thermostat while I had it apart. The old sensor had higher resistance readings than a posting I found - the new one was very close to the "specs".

Now it's back together, and driving operation is unchanged. I'm concerned about letting it get real hot (base on the gage position) to see if the fan will come on. I don't have any way to actually measure engine temp.

No cel lights.

What next?






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