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93 Saturn SC2, Overheating issues...HELP???
Hey, I have just purchased a 93 Saturn SC2 DOHC. I only paid 700 so I
expected some glitches, but the previous owner didn't mention anything about it overheating. I took it to a MIDAS and they tested it and put about 350 dollars in it to stop it from overheating and it is still doing it. Here is what I know: Midas replaced the thermostat and bypassed the sensor that kicks the fan on, because it didn't seem to be working, they installed a switch that leaves the fan on constantly while the car is on. They pressure tested the entire system and there are no leaks. Fluid is pumping through it fine, so the water pump appears to be fine. If I start it up and let it sit, it goes to about the half way mark on the heat gauge and stays there and does not overheat. But once I start to drive it, it creeps above half way mark untill I stop at a stop sign or traffic light and then the heat gauge creeps up to the 3/4 mark and higher, that is when the overfill tank starts to overfill and sprays the engine with coolant and I start to get steam/smoke from the coolant on the engine. So far it hasn't hit the actual red indicator on the gauge but it gets close enough and the overfill tank starts releasing coolant. The coolant indicator light just started comming on last night, but I think it is because I am low on coolant from it comming out of the overfill tank. Midas thinks it is an electrical problem, but since they bypassed the fan, what other electrical components are involved with the coolant system. I have had vehicles in the past overheat and have had head gaskets blown because of it. So I don't want to take any chances, but I am also not convinced it is an electrical problem, although to be honest I do not know what all electrical components are involved. PLEASE HELP and provide any suggestions or tips you can think of. This is the only transportation I have to get to work and need it to last at least a few months till tax return. I thank you in advance for any suggestions or advice you can give, Tim |
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#2
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93 Saturn SC2, Overheating issues...HELP???
Did you answer your own question? head gasket?
I would not think it is electrical because if your fan is on all the time then the engine is overheating as evidenced by the steam. Could be pressure cap releasing too early but you said that was replaced, only other electrical I can think of would be computer/injectors making it run too lean and overheaing. is something restricting the water flow ? On Sun, 22 Oct 2006 16:14:12 GMT, "talldredge" <u28178@uwe> wrote: >Hey, I have just purchased a 93 Saturn SC2 DOHC. I only paid 700 so I >expected some glitches, but the previous owner didn't mention anything about >it overheating. I took it to a MIDAS and they tested it and put about 350 >dollars in it to stop it from overheating and it is still doing it. Here is >what I know: > >Midas replaced the thermostat and bypassed the sensor that kicks the fan on, >because it didn't seem to be working, they installed a switch that leaves the >fan on constantly while the car is on. They pressure tested the entire system >and there are no leaks. Fluid is pumping through it fine, so the water pump >appears to be fine. > >If I start it up and let it sit, it goes to about the half way mark on the >heat gauge and stays there and does not overheat. But once I start to drive >it, it creeps above half way mark untill I stop at a stop sign or traffic >light and then the heat gauge creeps up to the 3/4 mark and higher, that is >when the overfill tank starts to overfill and sprays the engine with coolant >and I start to get steam/smoke from the coolant on the engine. > >So far it hasn't hit the actual red indicator on the gauge but it gets close >enough and the overfill tank starts releasing coolant. The coolant indicator >light just started comming on last night, but I think it is because I am low >on coolant from it comming out of the overfill tank. > >Midas thinks it is an electrical problem, but since they bypassed the fan, >what other electrical components are involved with the coolant system. I have >had vehicles in the past overheat and have had head gaskets blown because of >it. So I don't want to take any chances, but I am also not convinced it is an >electrical problem, although to be honest I do not know what all electrical >components are involved. > >PLEASE HELP and provide any suggestions or tips you can think of. This is the >only transportation I have to get to work and need it to last at least a few >months till tax return. > >I thank you in advance for any suggestions or advice you can give, > >Tim |
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93 Saturn SC2, Overheating issues...HELP???
On Sun, 22 Oct 2006 16:14:12 GMT, "talldredge" <u28178@uwe> wrote:
>Hey, I have just purchased a 93 Saturn SC2 DOHC. I only paid 700 so I >expected some glitches, but the previous owner didn't mention anything about >it overheating. I took it to a MIDAS and they tested it and put about 350 >dollars in it to stop it from overheating and it is still doing it. Here is >what I know: > >Midas replaced the thermostat and bypassed the sensor that kicks the fan on, >because it didn't seem to be working, they installed a switch that leaves the >fan on constantly while the car is on. They pressure tested the entire system >and there are no leaks. Fluid is pumping through it fine, so the water pump >appears to be fine. > >If I start it up and let it sit, it goes to about the half way mark on the >heat gauge and stays there and does not overheat. But once I start to drive >it, it creeps above half way mark untill I stop at a stop sign or traffic >light and then the heat gauge creeps up to the 3/4 mark and higher, that is >when the overfill tank starts to overfill and sprays the engine with coolant >and I start to get steam/smoke from the coolant on the engine. > >So far it hasn't hit the actual red indicator on the gauge but it gets close >enough and the overfill tank starts releasing coolant. The coolant indicator >light just started comming on last night, but I think it is because I am low >on coolant from it comming out of the overfill tank. > >Midas thinks it is an electrical problem, but since they bypassed the fan, >what other electrical components are involved with the coolant system. I have >had vehicles in the past overheat and have had head gaskets blown because of >it. So I don't want to take any chances, but I am also not convinced it is an >electrical problem, although to be honest I do not know what all electrical >components are involved. > >PLEASE HELP and provide any suggestions or tips you can think of. This is the >only transportation I have to get to work and need it to last at least a few >months till tax return. > >I thank you in advance for any suggestions or advice you can give, > >Tim Look for a radiator hose that is collapsed internally blocking xoolant flow or the radiaotr core is plugged up which is not unusual in a old car. Also give the tendancy of the plastic end tanks on it to crack with age, I would not botther have it rodding out or cleaning it and would replace it with a after market unit. There also is a slight chance it could be water pump but my nickle is on the first two suggestiions with the second one the likely cause. ----------------- TheSnoMan.com |
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93 Saturn SC2, Overheating issues...HELP???
talldredge wrote: > Hey, I have just purchased a 93 Saturn SC2 DOHC. I only paid 700 so I > expected some glitches, but the previous owner didn't mention anything about > it overheating. I took it to a MIDAS and they tested it and put about 350 > dollars in it to stop it from overheating and it is still doing it. Here is > what I know: > > Replace the fan motor. It does not simply stop working, it degrades with age. Had the same problem and tried everything. Larry |
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93 Saturn SC2, Overheating issues...HELP???
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93 Saturn SC2, Overheating issues...HELP???
Straight from the condition chart
Engine Overheats: ----------------------------------------------------------------- -System low on coolant -Dirt, leaves, or insects on radiator or condenser -Hoses, water pump, thermostat housing, radiator, core plugs, or head gasket leakage -Thermostat damaged -Cooling fan motor or cooling fan relay -Radiator hose plugged or rotted -Water pump damaged -Radiator plugged -Coolant recovery reservoir cap damaged -Cylinder head or block cracked or water passages plugged -Accessory drive belt and/or tensioner -Plugged heater core -Plugged heater hose -Vehicle air deflector damaged, cracked, or missing -Coolant solution -Damaged or missing fan shroud ----------------------------------------------------------------- |
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