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E 1 is reading yet 82 degrees reads on left of temp gauge. I placed a temp gauge inside but it's cooling only to 79. Is this a fan problem or compressor problem ?
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i dont know how accurate your gauge is, but a lot of gm cars that i have scanned to check fan operation didnt kick the fan on till about 220 degrees. it seems yours is probly working fine. the thermostat isnt fully open till about 200 degrees if its a 195
fans came late on those car,like 212 and second fan comes on at 224,you reprogram it to come a lot sooner,,other thing is there might be gunk inside the block,and coolant has hard time to pass through,and staying longer than enough in block temp goes high,even tough the radiator is doing it's job,it is just coming out block lot hotter than it suppose to be,and gauge read the block not the radiator
The PCM is controlling the fans. It is looking at the coolant temp sensor. Once it sees the coolant temp get around 225 degrees it starts turning on the fans.
What temp does the vehicle get to?
Have you compared the reading on the gauge to the actually reading that the PCM is seeing with a scan tool? Many times the vehicle temp will be fine but the gauge will be wrong. Sometimes the opposite.
The range should be in the temp range of your thermostat within in a few degrees, you probably have a 190 degree thermostat. As the outside (ambient) temp rises it's normal for the engine to run a little hotter 200 degrees is safe with coolant, water boils at 212. Your fans should cycle, so it sounds like your temp sensor is faulty. if you haven't flushed your radiator and changed your thermostat lately, now would be a good time to do so. Hope this helps,
completely normal those readings are perfect this car comes with a 195 degree thermostat,210 is fine for stop a go traffic remember a cooling system with the proper amount of coolant in it and under pressure will not overheat till about 240 degrees your in great shape no conerns!!!!!...
Is your cooling fan working properly? Usually when going down the road, it will cool better due to more airflow over the condensor. If your cooling fans are not working properly, this will add to the effect. Is it going to like 60-65 degrees at idle, or like 55 degrees? 60-65 is cooling fans, 55 most likely normal. Would have to see what your gauges are reading to let you know for sure. The orifice tube you are looking for is in the high side A/C line near the evap core. Look for a place where the line can be undone, with dimpling to hold the tube in place.
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