Questions & Answers for: temp gauge high 2003 5.3

Temp gauge reading high My wife noticed the high temp and turned the heater on. This lowered the temp immediately. I checked it out and there is no fluid loss in either the radiator or reservoir. The ...

...temp gauge shows ok temp you may have an air lock in the cooling system, with the radiator cool remove the cap, start the car with the heater on high, let it reach operating temp, fill with water ...

Do thermostats wear out? yes thermostats wear out. make sure your cooling fans are not running at the low temp you have. you may have a bad temp sending unit. also you gauge send ing unit could be bad

...gauge red lined then dropped back down to a reasonable temp. Thermostat?? more than likely but if the temp gets to high you run an extremely high risk of blowing a head gasket or warping or cracking ...

...temp gauge is acting up by going all the way to the high level of gauge. Usually when I shut off the 2003 Silverado the gauges shut down all the way to the left. Now the Temp and oil gauges don't. ...

...certain temp, also take note that the fans on these type cars dont come on until they reach a high temp, the gauge on them reaches close to 3quaters the way on the gauge before the fans run, good

...gauge and equipment but system will not take freon on the high side. NEVER attempt to add freon on the HIGH side...This is very dangerous and can result in injury and damge to the system! The correct ...

...temp gauge reading is high when the engine is cold it will be a short to the sender unit or a faulty sender unit ( as opposed to a temperature sensor unit). Have the fault codes read to find out what ...

...Temp gauge runs normal for about 20 minutes, the gives me the signal " high temp/low oil, "engine running at reduced power." I checked both the coolant and oil and both are at normal levels. Get your ...

...gauge and temp gauge not working. both gauges were working before lots of air pressure may have move out of place the wires. unplug, clean and plug back in each wire you may see that got in contact ...