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07-16-2015, 04:17 PM | #1 |
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Join Date: Apr 2010
Location: conshohocken,pa
Posts: 37
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Re: Engine gets hot at idle
Another thing to check is ,does your truck have a heat riser (spring or vac operated flap) between the r side exhaust manifold and the exhaust pipe. I had one with the same symptoms as you described ,driving temp would be ok ,idle at traffic light mine would go above 230 if I let it idle long enough it would boil over. The flap was seized in the closed position, Bob
Last edited by burkeftm; 07-16-2015 at 04:18 PM. Reason: Forgot to add a line |
07-16-2015, 04:28 PM | #2 | |
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Join Date: Oct 2012
Location: Tyler, Texas
Posts: 217
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Re: Engine gets hot at idle
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Current Projects: 1984 GMC, LWB Fleetside, 305/350 - Currently Doing TBI Conversion 1966 GMC, SWB Stepside, 350/200-4R - Currently waiting patiently. |
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07-16-2015, 09:34 PM | #3 | ||||
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Join Date: Nov 2014
Location: KANSAS CITY
Posts: 100
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Re: Engine gets hot at idle
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Nonstop, You know that could be it, lord knows what this PO did under the hood, but it seems to be grabbing just fine, I went for a ride earlier today and checked to see ho it would spin while it was at full temp. It stops moving as soon as my hand quits moving it. The PO left a rats nest of wires under the hood from the Diesel engine so I've had fun grouping all the extra stuff together, and bundling it all off to one side. Burkeftm, I wish it was that simple, but I went to headers last fall, before it got cold, so that thermal flapper isn't even hooked up. Good thought though. Blessed66, since mine started out as a Diesel it never had that converter on it, thank god. But a good idea though. |
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engine, hot idle, temp high |
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