A warning light comes on - looks like a radiator w/a fan
It comes on intermittantly when accellerating, like going up a hill from a stop, remains on for less than a minute. No sign of high temp. from the engine temp gauge, or any other problem.
a light keeps coming on mostly when I excelerate, it only stay on for a few seconds, looks like it could be radiator light ( a square box with a fan in it and some waves below the fan.)
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The first thing I would do would be check the fluid level in the radiator. Sounds like the car is overheating under load due to lack of coolant. If the coolant level is ok then the radiator cap may be leaking pressure and causing the car to overheat.
1. Check the coolant level if you have not already.
2. The most likely cause is a stuck thermostat so that when the engine is getting up to operating temp the thermostat is not opening at all - or enough - for the coolant to flow freely between the radiator and the engine to cool the heated fluid. If you check the radiator after driving and find it is cold it is a sure sign that the heated coolant that is circulating through the engine at operating temp and higher is not getting to the radiator. The first thing I would do is to change the thermostat and re-check. At the same time completely flush the coolant and replace it with new fluid of the correct spec.
The radiator fans are not going to operate when the fluid in the radiator is cold because the hot fluid cannot flow through from the engine. The fans have a temperature sensor switch.
3. If that does not solve the problem I would suspect the water pump has corroded and needs to be replaced. However from the symptoms you have described I believe a new thermo will fix the problem.
4. Don't drive the car when it is overheating. This is a certain way to blow the head gasket and potentially crack or warp the cylinder head. (In a worst case you can crack the engine block.) It will be nice and expensive to repair if you blow a head gasket or damage the cylinder head.
My 2003 warning light frequently goes on after going down a long hill. The dealer has tested, and thinks that it is related to the traction battery being overcharged or overheated after a long hill. Doesn't seem to affect performance and the the problem clears up after turning the car on and off several times. If you have no power when you accellerate, it suggests that the electric motor has cut out some how, until the problem is cleared up. Would be interested in finding out what your solution was.
they either did not put new fans on or they did not connect them correclty its all in the fans the fans cool the water for the engine when it cycles through the engine it cools off there at the radiator and it takes longer to heat up cause allways in any car when you turn on the ac it will turn high or secondary speed on fan so it cools the water even more so check fan if they replaced it motor might be bad or again check connections
I would be looking at the radiator fans themselves, especially if the fans are open framed motors. I had the same problem with an intermittent fan on a PT cruiser, If your A/C doesn't seem to be working right at stop lights then the fans are most likely not operating correctly since they assist the condensing coil when idling. Second thing I would suspect is a thermostat which is stuck closed. (This will cause overheat). Hope this is helpful.
All fan comes on that means all temp sensors as well as circuitry are working. The culprit is that the engine has poor coolant circulation to cause this problem. When you on the freeway the air help to cool the engine, but not in a case of stop and go.
There are 3 things can cause this problem: a bad thermostat, a bad water pump or a bad radiator. These 3 things can be all together or just only one of them.
A radiator has all vertical small tubes inside to carry the coolant passing through and dissipating heat through fins outside. When it gets clogged up, coolant becomes stagnant hence heat is not dissipated causing over heat. The same thing happens when water pump is not turning to propel the coolant in the loop.
If a brand new radiator was installed last year then focus on the water pump. If a rebuilt one was installed then it is questionable. Don't ever use a rebuilt one, it is saving only the part but cost a bundle for later labor and headaches. Good luck checking the 3 things to find out a root cause.
low pressure in the tranny, did you check the oil level in park? if so you might have to check it in gear with someone holding it on the brakes, then re-check... hopefully it isn;t the pressure solenoid.... $$$$$$.... they can be expensive, cheers!