![]() ![]() and something happens and my head gaskets blow for the engine and transmission get damaged I'll just tell it back to the dealership and let them fix it under warranty. Error code P0128 indicates that your engine coolant temperature is below the thermostat regulating temperature. I have an extended warranty so I guess if it overheats. the GM tech let my truck idle for about an hour with the tech 2 unit connected and told me everything is fine with my truck I'm still worried as this is a new issue and it gets hot often. I've been at the dealership twice because it never did this before since new! they tell me that this is normal and I get a plastic burning smell! they say its normal for the truck to get to that temperature and one of my fans will come on. the temperature gauge goes up to the next line above 210 and it will stay there until I turn on my AC or start driving the truck. I have a 2010 Silverado 4.8 and I've been having overheating issues. It's just random that the drivers side fan is not working. We use cookies to give you the best possible experience on our website. I have let the truck idle several times over the past week for extended periods of time and can not make it happen. all of a sudden it goes from 210-to 260 and then soon floats back to - Answered by a verified Chevy Mechanic. I had also noticed that I could not hear the cooling fans like I normally can when they kick on.īefore I start shotgunning parts, my question is what is the normal operating procedure for these dual fans? Should they both run at the same time always or do they work independently of each other? of torque along with impressive fuel economy an estimated 30 mpg (7.8L/100km) highway on 2WD models in an efficient package. The passengers side cooling fan was running but the drivers side was not. New Duramax Diesel 3.0L 6-Cylinder Engine Powers Up Silverado 1500, Sierra 1500 SeptemThe all-new Duramax Diesel 3.0L inline 6-cylinder turbocharged engine (RPO LM2) delivers plenty of power producing 282 horsepower and 450 lb.-ft. ![]() It did it yesterday and I was somewhere that I could raise the hood and look around. It cools off quickly when I start driving again, but this is concerning. The next thing I've noticed 3 times while sitting at idle for an extended period of time is my temp gauge goes up about 1/3 of the way between 210 and HOT. The first thing I noticed is the engine cooling fans are LOUD! Much louder than my neighbors 2010 Sierra. Verify that the engine is at normal operating temperature (see Owner's Manual or Service Manual). Oil changes should not be performed during the test. I normally drive this truck about 10 miles a day and have not had it long enough to really learn what I bought. Refer toEngine Oil and Oil Filter Replacement in SI. 2011 Silverado with 4.8 and 60,200 miles and purchased by me on Feb 1 of this year.
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