This could be a cause of your car overheating, if you tend to be overheat at idle and/or at low speeds, but run cool at highway speeds. The … Several answers. If not, then you need a new thermostat, but this is a separate issue from overheating at idle. THE PROBLEM: I've just recently repaired my A/C system after fighting it for the last year. If the coolant is freezing up in the system, it could cause both problems. If I simply idle for a few minutes, the vehicle SOMETIMES starts to show temperature increase and goes pretty much to the max if I let it keep going. 2006 equinox overheating at idle, fan is ok, thermostat replaced twice, flushed cooling system, bled air from system, seems to build up alot of pressure in system. Billet 2013 2 door Dana 60 front, 14 Bolt rear, ARB's, 5.38's, 35 spline Yukon shafts, Reid Knuckles, 40" Comp Trepadors, 3 link front, triangulated 4 link rear, 14" coilovers front and rear, Tom Woods 1310 front, … If you live where it get really cold, have the coolant checked for its freeze point. Overheating car problems are one of the most common problems a driver and car owner can encounter. Car is overheating Inspection: $79.99 - $89.99: Get a Quote: Kevin Gainer. Your car cooling system is yet another factor to observe if your car overheats when AC is on. I couldn't feel all the way down to the bottom but that whole top corner of the radiator was cool. Later, when the car started cooling properly again, I felt the right side of the radiator again and now it was as warm as the left side, as I would expect. Yay! My Car Overheats While Driving. Simply driving the car will cool the radiator and make the overheating issues stop. If your car is overheating at low vehicle speeds only (i.e. Use the windows, instead of the AC, when to cool the car. Our 2004 Toyota Sienna van overheats while idling but immediately cools down when the engine is revved up. Car overheats while sitting still, cools down when moving. Once it is back to normal temperature, it turns off by itself. Other Causes of Car AC Not to Cool at an Idle or a Stop The car could be overheating - caused by something else other than the cooling fan. I then let it cool down, topped off fluid, replaced the cap and tested it. Like anyone else we also ignore this thinking that this is a just temporary … It did not overheat as fast as before, but it did try and overheat. LAJONES1062 MEMBER; 2001 OLDSMOBILE SILHOUETTE ... Got out in the evrening to drive it, it did the same thing while waiting in line at a drive thru, I revved it, and it cooled down, and stayed cool the rest of the evening. If I start driving my car… air in the coolant system will cause intermittent heat and overheating, especially at lower RPM's. I have a 06 3.5 crew cab coly, I recently replaced the water pump and fan clutch, thermostat, temp sensor, and upgraded to the v8 radiator, I am still having issue overheating, it runs at stop light with the AC on at idle around 3/4 gauge. If in neutral and give it gas the gage will drop to normal. At idle, the engine temp gauge will climb very quickly to almost dangerous levels, but if I rev the motor a bit, the temps will drop back down to normal for about 5-10 seconds before rising again. My car has an automatic transmission. It is overheating at an idle,. … But I now have a new problem: overheating. If your car is overheating while driving at highway speeds, you’ve got a different kind of overheating problem. Anything above 1,500 RPM’s is … If you are feeling hot inside the car, then this is because your car overheats when AC is on. Overheating at idle 8 Answers. The cooling system of the car is under constant pressure and high temperature which, over time causes material and parts fatigue. I'm sorry, if this is redundant. If your motorcycle is idling high by itself, you may need to readjust the idle screw on the carburetor so the motorcycle idles between 700-1,000 RPM’s. After stopping again I noticed the air coming out of the radiator was cool even when it was overheating, which tipped me off that I must have put the hoses back on … The servo is used to switch the side of the extruder that will drive the … 08 equinox ltz- replaces thermostat last fall, fixed overheating problem. The first thing you should do when overheating is to turn off the AC, but you should avoid using it at all if you fear your car might overheat for any reason. Yet a couple of days ago it started getting very hot when it was allowed to idle. If you suspect this is the reason your air cooled motorcycle engine is overheating, discontinue doing high revs and let the engine cool off. I quickly open the hood I notice that the radiator fan on the driver side was on and spinning. When your car is sitting still with the engine on, there's no airflow, so the radiator fan kicks in. I reverse flushed the system. Suppose your vehicle overheats after a few minutes of running and like many others, you won’t notice it soon, and within this short period, the damage has been done. The AC uses engine power to cool the air in the car, putting extra strain on the engine. Cars actually shouldn’t overhead while standing still. I have a 2003 Cadillac deville. They prevented that by putting a thermostatic vacuum valve in line with the vacuum advance. Uber Member : Jul 4, 2014, 06:19 PM Check the fit of the shroud around the radiator. It helps cool the coolant down until you start driving again. The car goes from a normal temp to overheating in under 30 seconds when the car idles, and cools as fast when revved. He has … This will also happen if the idle becomes stuck or the oxygen meter indicates it needs to adjust the oxygen-fuel mix. I have a Toyota corolla, and I just replaced the radiator and the thermostat.The engine wants to run hot at lower speeds and when I stop when I take off again it runs fine at 55 and above but it does not want to run hot at idle and in park. So, a broken radiator fan means that the coolant that enters the engine will be too warm--until you start moving again. Engines produce heat. I brought the car back home and let it run at idle, and it return to normal running temperature. 2002 Cavalier stickshift 84,000 miles 4cyl. I know … Car overheating while driving but not in idle My car started blowing white smoke occasionally after replacing the - BMW 1994 3 Series question. 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