coolant temp question - TDR Roundtable

coolant temp question

10-31-2003, 04:55 PM

#1 (permalink)

Berrigan

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Join Date: Sep 2002 Location: mesa az Posts: 366

coolant temp question

I had a high temp reading the other day and wondered if any members could give me there opinions.

I was pulling a toy hauler (12,500 lbs trailer and 8000 lbs truck) up a 7% grade about 6 miles long. The outside air temp was about 100 degrees. The engine temp gage climed to 210. That is the end of the normal zone as indicated on the gage face. The temp stayed at 210 steady for about the last 4 miles of the hill. I checked it about every 15 seconds and it never got above 210. Then I crested the hill, upshifted to 4th and the warning bell sounded. I looked at the gages and temp was in the red at 230. Then as I was looking at the gage it dropped back to 210 in about 3 seconds. There is no way the coolant could have dropped that fast.

Do you guys think I have a gage/ sender problem?
Or could I have been at 230 all along and the gage just stuck at 210, then popped past it at the end of the hill? It seems to have worked normal since then. Thanks for any suggestions Bill

__________________
98 3500 quad cab, 12 v, 5 speed, 4wd, tst #11 plate full forward, 3kgsk, kdp jigged, SBC 13 inch Con ofe isspro pyro and boost.

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