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Old 04-10-2012, 01:09 AM
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Overheat While Towing

This past weekend was the first time on a trip with the RV and Edge CTS. The drive was about 3hrs on flat ground in 80F weather. My guess weight on the camper is about 7~8,000lbs. Long story short, temps continue to climb at 65mph and hold steady at 60. I let it get to 225F on oil temp then backed off. Things cooled right down.

I've made this run several times at 65~70mph without the CTS, I just didn't know things were getting that hot. Dash gauges were all normal. If you are pulling a trailer you need gauges.

I have a recent EGR delete, new oil cooler deltas never went past 10F even when passing at WOT. Things do heat up very fast under a load.

Question is do I need to inspect/replace my radiator? Water pump? It seems like most people are not having trouble with my size trailer at 65mph.

Truck is stock besides mods in sig
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Old 04-10-2012, 06:43 AM
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I'd say you have nothing to worry about. If your temps were really within 10 degrees then that would put your coolant at about 215 which isn't bad. I believe the thermostat isn't fully open until 220 anyway.
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Old 04-10-2012, 02:33 PM
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TMAG,
What gears do you have? Where are your RPMs hangin at 65mph?
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Old 04-12-2012, 07:14 PM
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sound normal, my EOT runs 240-250 all day long when towing 18k
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Old 04-12-2012, 07:14 PM
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And i have gotten the stock guages to rise to 3/4 and overheat. 3/4 up the scale is about 258 EOT and 245 ECT
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Old 04-19-2012, 11:13 AM
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Quote:
Originally Posted by jetjock15 View Post
sound normal, my EOT runs 240-250 all day long when towing 18k
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Old 04-22-2012, 06:13 PM
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I'm with jetjock on this one. 225 EOT while towing in hotish weather is perfectly normal
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Old 05-14-2012, 02:41 PM
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Originally Posted by RRF985 View Post
I'd say you have nothing to worry about. If your temps were really within 10 degrees then that would put your coolant at about 215 which isn't bad. I believe the thermostat isn't fully open until 220 anyway.
im a lil over 2,000 RPM.

guess thats my question. At what temp is thero all the way open? Its not much over that until your out of cooling capacity.... "an i gots me a GED"


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Old 05-14-2012, 02:44 PM
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So you run 230ish ECT???


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Old 05-14-2012, 02:44 PM
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oops


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