Question about 1995 Chevrolet Corsica

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My 95 chevy corsica keeps overheating randomly and I keep having to put coolant in it , its not leaking from the radiator but from the hose , it happens randomly , what is going on ?

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Have you try changing thermostat that causes it to overheat sometimes if you have a leaky hose get it changed i have a 96 corsica i had the same problem fixed hose changed thermostat still was overheating took to a radiator shop they tested it it ended up being that get it tested first if they tell you it is the radiator they are probably gonna charge you A LOT take your time and doit your self if you think you cant do it then once you know is that look around to see who charges you less.

Posted on Sep 24, 2009

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Have the transmission fluid changed yearly. I had a 95 myself and eventually had over heating from the radiator at first and then one day ran in to a slippage probs. in the middle of traffic and had to push the car to the side of the road to cool down.
Found out that the tranny does use Transmission Fluid in these types of cars from friction and over heated tranny. Added two quarts of tranny fluid after speaking with a machanic and told me to check the tranny fluid. It worked and the car never had radiator overheating again. So, the solution would be to have the tranny fluid changed yearly! All fluids should be checked in this type of car Quarterly.

Posted on Feb 10, 2011

  • Michael Stock
    Michael Stock Dec 18, 2015

    From same person that wrote this; The Transmission has a coolant pack on it that resembles an air foliation sys made of aluminum. The processor in a computer that has an air foliation system helps the processor from going over a certain temp. with fans blowing over it! so you don't fry your processor! like a car having a fan in-front of the radiator to keep the water cool..Well the Corsica, Like a 95 or so has the same on the transmission with a copper winding tube in the middle of the air spoilers that carries coolant through it to help keep the tranny cool by air hitting it under the car while driving! No Fan Under there; Just Road Air hitting the Coolant Pack on Tranny! If low on Transmission Fluid it will overheat causing the water to boil from Friction of not having enough Transmission Fluid and find it's way back to the Reservoir, Filling up the Tank and backing out through the overflow tube. Low Transmission Fluid would cause Friction on the Bands and Gears which in turn causes things to heat up a bit. It's not a Radiator Leak; It's overheated water from the Coolant Pack on the Transmission!..take your Car to a shop that changes out Tranny Fluid; Cost's would range from 79.00 to 109.00 for the Labor and Change. Or Add 2 Quarts of the Car Type Tranny Fluid like Type F I , II, or Sometimes even III Or Another Type Altogether! Check Your Manual For Type... Get the Car kind of running back to normal without Slippage or Overheating and then have it put in for the Fluid Change in the Transmission/Oil/Brake/Tire Shop...Just thought I would add this for FYI....If that's not it and it keeps doing it..it's one of two things other.. like Water Pump.. Or Thermostat!...Either of these should do it.....if it's Top Engine....with a Leather Glove for Protection.. It will be very Hot and Can or Will Burn You! Try Squeezing the Water Hose Firmly But Not Aggressively, Hose from Pump Going To Radiator..if it is Hard as a Brick and Hot..It might be that the Thermostat Closed Up and needs Replacing..Or that the Water Pump has Broke which with the car running you would here like a grinding or sqweeking noise..most often when the Hose is Tight, It will Require a New Thermostat and Or Hose..Because of the Heat Conditions in your part of the country. in this case if anything is wrong on top..you would see Seepage from Water Pump Housing Gaskets Or overflow from Radiator Cap Hose from the Radiator and not the Reservoir. or a small leak coming from the Hose from the Water Pump To Radiator or a large one Or Sometimes a Bubble in The Water Hose and it's getting ready to Burst! and some already have and you can plainly see your problem!. You don't just want to let this go, Leave the car where it is and have someone take you to the auto shop, Provided you have gotten all the information about the Car; Year,Make, Model and the Hose Size..it should have a Manufacture Number on it! if you can't find it just use the Car Info and the store clerk can look it up for you. Again if it is coming from the radiator reservoir.....Have the Transmission fluid checked...if the color of the Transmission Fluid is close to the color orange; Go ahead and change it..the same problems may still occure if you don't!..ok that's it...Best I can do for you to keep the car in good shape and not have to feel like it needs to be junked...Remember the Tranny Coolant Pack under the car keeps the Tranny cool and has Anti-Freeze running through it next time that happens. If the Tranny is overheating and you have water backage..have the tranny serviced.....And also as I said before.. Check all Fluids Quarterly in this type of vehicle 90-97
    Leave me a Comment as to if any of this helped you..would like to hear back! Or click on helpful if this worked for you...ok that is definitely it from me thanks for taking the time to school yourself on engine cooling! Moonlaugh P.S. I'm guessing this Type of Car may have an Aluminum Tranny and not Cast Iron or Steel...and this will cause the Tranny to run hotter; that might be the Reason for the Cooling Pack.. just a guess!

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I drive a 90 corsica and this was happening to me for a while and it stopped when i started always driving in D. For a while i would shift from 1-2-D (automatic obviously) and this would overheat my car. If you do this, consider stopping. Otherwise sorry I have no advice. GOod luck.

Posted on Oct 08, 2009

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1 Answer

Why is my 92 chevy corsica overheating after putting in a new water pump....radiator...and thermostate....whats wrong


did you clean your engine coolant system
you might have some dirt inside the block so the coolant can not pass
and check your temp sensor it is possible it could be defect.

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Overheating can be "boiled" down to a few issues:
*blockage: Something is stopping or slowing the flow. Main suspect is the thermostat. It is designed to open and close at the proper temperature so as to keep the engine at the optimum temperature range. They have a tendency to lock closed and cause overheating. Sometimes it's random. The blockage may be something like sludge or rust in the radiator or gunk that someone put in that does not agree with it.

*coolant/water loss. A leak somewhere. Blown head gasket, cracked head/block, hose, etc.
*pressure loss. This happens when the water gets to boiling temperature but is kept under control by pressure (pressure resists heat) and then something such as the radiator cap releases the pressure and the temperature rises. The coolant will also leak out and then the overheating will be due coolant loss as well. This is especially true with the Cadillac Northstar. The head bolts allow the head to lift off the block, ever so slightly, and pressurize the coolant system with exhaust gases beyond radiator cap pressure limits. It's usually when you accelerate or put the engine under load such as going up hill.

^check for exhaust gases in the coolant. smell it or buy a kit to test.
^get a new thermostat, or, test the old one by boiling it in water on the stove; see if it opens. I always get the "failsafe" kind: fails in the open position.
^check for oil in the coolant or coolant in the oil: grey sludge.
^check for leaks on the ground.
^test the radiator cap. some part stores have a way to test them.
^check to see if it's made by Cadillac. look for the word Northstar. If so, hold on to your wallet. There's a whole new world of overheating adventures.

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96 Chevy Cavalier Over Heating... Why?


Check coolant leak, some hose or radiator clogged or water pump go to bad.

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IT KEEPS OVERHEATING


REPLACE THE THERMOSTAT AND RADIATOR PRESSURE CAP.IF COOLANT LOW, ADD MORE COOLANT THROUGH COOLANT OVERFLOW UNTIL COOLANT LEVEL IN THE COOLANT OVERFLOW STAY AT FULL COLD MARK.REASON POUR COOLANT THROUGH COOLANT OVERFLOW MOST GM CARS DONT HAVE RADIATOR CAP.WHEN YOU GET COOLANT LEVEL OKAY, CRANK CAR LET IT IDLE UNTIL ENGINE GET HOT BUILD UP PRESSURE THEN TURN OFF CAR.CHECK FOR COOLANTS LEAKS AT THE RADIATOR HOSES,CHECK FOR LEAKS AT THE RADIATOR, CHECK FOR LEAKS AT WATER PUMP WEEP HOLE IF YOU SEE COOLANT LEAKING FROM WEEP HOLE REPLACE WATER PUMP. IF CAR OVERHEATING WHILE IDLING YOUR COOLING FANS NOT WORKING CHECK COOLING FANS FUSE AND RELAYS.IF FUSE AND RELAYS OKAY THE ENGINECOOLANT TEMPERATURE SENSOR BAD.

Aug 01, 2011 | 1994 Cadillac DeVille

1 Answer

I have a 1994 chevy corsica..The coolant is leaking out from a hose by the fan..how do i check to see where the leak is coming from


Some parts houses will rent coolant pressure tester,Sometimes for free with refundable deposit. pressurize system at radiator cap with radiator and reservoir full. Look for white residue from dried coolant. You will probably need to look in the area where you see coolant leaking. Most likely you will find a hose leaking , could possibly be leaking from radiator

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3 Answers

My car keeps overheating but no leaks, and the thermostat hose still gets hot. whats the problem? its a 99 crown vic police package


since this vehicle has a thermal clutch fan I'd start there

are ALL the hoses getting hot?
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  • lower rad hose
  • heater hoses
does the overheating reduce when you turn on the heat at full speed


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2 Answers

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1. start the engine and leave the radiator cap open.
2. put a cardboard cover or a rug in the front of you radiator.
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Did you put stop leak before?

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