Question about 2003 GMC Yukon Denali
I have an 04 GMC Denali XL, that is overheating. Once i turn on my car and start driving it (also if it is idling) for a few minutes the"engine coolant hot" signal with start going off and if i turn the heater on full blast (fyi: heater blows air, occassionally warm air comes through) it will bring down the temp gauge for a few minutes then climb back up and the signal will start going off again. After the signal going off for a few minutes the overheating signal then goes off, so i pull over and let it cool off. just the other day i notice a huge puddle of what looks to be like oil or maybe power stering fluid, this is about a week after all this started (which has been going on for about 1.5wks), there isnt any other leaks, also 2wks ago i got an oil change.Thanks
Check fluid level if full remove rad cap when car is cold and run while looking at fluid in rad if it is circulating you should see it moving if it does'nt move after car warms up thermostat needs to be replaced also check to see if fan is working properly and check the reputation of your mechanic some are not always honest
Posted on Dec 09, 2008
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Posted on Jan 02, 2017
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