The red light for low cooling fluid came on in my 1992 Volvo last week. The gas station attendant filled up the reservoir with about 2 liters. The light is on again after just four days - I can't tell if the fluid is leaking out or if it just did not get refilled enough.
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First of all have an auto parts store check for trouble codes...The flashing overdrive light is a warning that the overdrive unit is overheating and/or low on fluid...#1 choice is overheating and you will be looking at a costly rebuild if this is not attended too soon...Have your radiator, which also has a transmission cooler flushed, cleaned and refilled immediately...Have someone check if fluid is leaking then cleaned and filled with fresh fluid...saailer
as the oil in a transmission is used to provide gear shifts , lubricate the bearings and gears , cools the transmission then the expected damage would be bearing failure --pump failure and scoring on the shafts and gears. Having said that I would remove the pan and check for metal in the filter and on the bottom of the pan before I had a fit about the possible damage.. It is possible that refilling to the correct level will all that it needs.
check the power steering fluid level, Mine did that too on my wifes car,, fluid was so Low I had air in the system, fill the fluid it will bleed itself out,, check the idle speed also, It may be set too Low
Your vehicle is what...16 years old? Parts do not last forever. I can't see changing the pump twice unless the old one was defective. There is no reason to replace a pump unless it leaks or is noisy. OK, now the low coolant light is on. Is the coolant low? Is the engine running hot? Low coolant sensors have been notorious for failing. If the level is good and it's not overheating you can either remove the indicator and replace it or just disconnect it and routinely check all your fluids (you should be doing that anyhow) once a week. Cars did not have or need that sensor for many years. Gas stations used to check fluids when they actually could afford to have people pump your gas for you. It only takes a few minutes and isn't a difficult task to check everything over now and then. If you have found the level to be low, re-fill it and check again for leaks. White smoke from exhaust can mean a bad cylinder head gasket as can oil in the coolant or coolant in the engine oil. I've found some vehicles (including one Jeep I own) that will not keep the overflow full but never overheats or has problems. Some head gaskets deteriorate and begin to seep coolant on the outside of the engine. That kind of leak often evaporates on the side of the block and never drips on the ground. Check around the head/block parting line. If you find a crusty white or greenish residue there, run the engine and watch that spot. If it gets damp there, it's leaking. As long as it continues to run well and the temp stays normal, everything should be OK.
There is no reset button.When you fill it up it should just go out.What happens is the sensor is at the bottom of the fill bottle and all the dirt and junk is at the bottom.Sometimes the sensor is on the radiator.It is directly below filler neck of the radiator.Drain enough coolant to lower the level of the radiator and remove the metal retainer from the sensor.Remove the sensor and install a new one in.Refill the radiator.The light should be off.Make sure the vehicle is cooled down when working on the cooling system.
There is a sensor on the radiator below the filler neck that sometimes will get debris across the contacts of the sensor. I would recommend that you have the coolant system chemically flushed and refilled.