Check the coolant level.
The radiator must be full, coolant should be mix of 50/50.
If it is full, and stays full when overheating, the most common cause is a defective cooling fan.
One of your electric radiator fans is for your A/C and one is for the radiator cooling
Any time the temperature gauge/ or red light comes on, that fan should be running.
Raise the hood and look the next time it overheats, and if no fans are running, you need get it fixed quick, lest you blow a head gasket.
The problem could be either the electric fan motor, or the sensor switch that screws into the engine block.
If the coolant stays full, and the fans are running, you may have a stuck or closed thermostat.
God bless your efforts.
SOURCE: thermostat
make sure there is coolant in the motor and hopefully no air. best way to find the tstat is to trace where the upper radiator hose comes off radiator and goes to
SOURCE: Overheating 1993 Buick Skylark
it could be a fuse or fan relay, or a stuck thermostat, i will recomend to aply stright power to radiator fan to see if works, if don't replace fan and fuse, but if does, then it might be the thermostat, one very easy way to test the cooling fan system is by unpluging the coolant sensor with the car runing, if fan come on whit car runing and sensor disconected, the the system is ok, and might be a bad sensor, or stuck closed or open thermostat. please leave feedback if this take care of your problem
SOURCE: Flashers Won't work
The turn signal flasher is in a clip attached to the base of the steering column support inside the car. That would put it just about in front of your knees in the drivers seat, up under the bottom edge of the knee panel. I hope this helps you.
SOURCE: how to repair heater core
The step by step procedure to remove the heater core is given below :
SOURCE: where is the a/c expansion valve located on a 1994
No expansion valve, only orfic tube, sit in connection to evaporator.
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