over heat question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

NYC-10 · 04-05-2009, 12:17 AM

my truck has always run at the correct temp but one day It just started to run hot.I changed the thermostat,and It would go all the way hot then back down.Tonight just went all the way to hot and stayed there,heater was blowing cold and rad hoses are pressurized.I also noticed upon startup there is a little rattle at the front of the motor but there is no coolant leaking out of the weep hole.I did a pressure test and it was fine.What do you think?

04-05-2009, 12:17 AM	#1
NYC-10 screamin eagle Join Date: Oct 2007 Location: westbury ny Posts: 237	over heat question my truck has always run at the correct temp but one day It just started to run hot.I changed the thermostat,and It would go all the way hot then back down.Tonight just went all the way to hot and stayed there,heater was blowing cold and rad hoses are pressurized.I also noticed upon startup there is a little rattle at the front of the motor but there is no coolant leaking out of the weep hole.I did a pressure test and it was fine.What do you think? __________________ SCREAMIN EAGLE



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