05 6.0 Excursion running hot

rolls · #1 (**permalink**) 12-22-2010, 03:37 PM

I am having problems with overheating, I am wondering if the fan may not be running as fast as it should. Is that possible? It seems to be running too slow to me. Is there a test that is simple I that can run?

Chango · #2 (**permalink**) 12-22-2010, 04:38 PM

Rolls there are a few common problems that happen to the 6.0 that could cause a overheating problem. Have you had any previous work done to the truck? any stuff replaced under warranty? More info is needed here. Any mods on the truck?

I dont personally know if there is a test you can run, but I would think the fan is either its on or its off type thing and you might have a underlying issue causing the overheating

rolls · #3 (**permalink**) 12-22-2010, 05:01 PM

The exhaust is as straight pipe, no muffler or cat. I had a EGR bi-pass put in, replaced the head bolts with studs and replaced the oil cooler that was about 4 months ago. Everything was fine until last week. I replaced the map sensor yesterday. No loss of water until the pressure is too great for the cap.

rolls · #4 (**permalink**) 12-23-2010, 06:30 PM

What would cause the water pressure to be too high when the water is still cool?

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