Question about 1996 Chevrolet Cavalier

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1996 chevy cavelier 2.2L engine overheating

Replaced head gasket, filled coolant. Low fluid light still on and temperature continues to climb. Fan is not coming on.
Changed the sending block, but still no change-fan did not engage. Help!

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  • smokinnascar May 24, 2009

    Checked the thermostat. It opens just before boiling.

  • Raymond Ramirez
    Raymond Ramirez May 11, 2010

    that is 212 degrees. what rating did you get your thermostat at. it should be at 160-180...where do you live? check with autozone associate for your car

  • Raymond Ramirez
    Raymond Ramirez May 11, 2010

    sounds like the thermostat maybe stuck closed. Have you replaced the thermostat?



    This is cheap to replace if you do it yourself

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You need to bleed the coolant through the radiator tube. there is a bold on the bottom steel line on the driver side of the motor back it out but not all the way and then fill your radiator until antifreeze comes out of the hole on that line. make sure it is a steady stream before tighten it up

Posted on May 25, 2009

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If you take the 12 volts from battery to the fan will it run... may be a bad fan motor

Posted on May 24, 2009

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Why is the temperature light keep coming on and the gauge keep going up and down?


Temperature Warning Light is on Inspection Service How this system works: With the exception of older, air-cooled vehicles, cars rely on a liquid called coolant (or antifreeze) to keep the engine at an optimal temperature. Coolant is a mixture of water and ethylene glycol, and it circulates around the engine block and absorbs excess heat, which keeps the engine from overheating. The coolant converts that heat to air in the radiator, and then the air is emitted, at which time the coolant is ready to absorb more heat. Without coolant, the engine would quickly ruin itself with its own heat production. Common reasons for this to happen:
  • Coolant is low or weak: The most common culprit when an engine overheats is low or weak coolant. If your car doesn't have enough coolant, then it can't absorb enough heat. While your car will naturally lose small amounts of coolant over the years, a leak is the most likely cause of low coolant levels.The proper ratio of coolant to water can also get distorted, resulting in a problem. Too little or even too much antifreeze can dramatically lower the boiling point of the coolant. A proper ratio of antifreeze to water is 50/50 to 60/40, depending on the vehicle.
  • Broken radiator fan shroud: The radiator fan shroud directs the airflow across the radiator so the air can absorb the coolant's heat. When the fan shroud breaks or becomes dislodged, air fails to enter the radiator, and the coolant will no longer have a place to direct the transfer of heat.
  • Broken or missing air dam: Along with the shroud, some vehicles have an air dam (or deflector) underneath the vehicle. If this is broken or missing then the air can pass underneath the vehicle but not also through the radiator, which will cause overheating. These air dams are essential in newer vehicles, as they force the air through the fan shroud.
  • Faulty coolant temperature sensor: The temperature sensor takes constant readings of the coolant temperature and sends that information to the engine control unit. Based on the temperature of the coolant, the engine control unit adjusts the ignition timing, the fuel injector pulse, and the operation of the electric cooling fan.
  • Bad water pump: The water pump is responsible for keeping the coolant cycling throughout the engine. After the coolant transfers its heat energy to the air, the water pump recirculates it around the engine so that it can absorb more heat. The most common water pump problems are a leaking pump, bad bearings, or an impeller that has rotted away due to a low coolant ratio.
  • Stuck thermostat: The thermostat acts as a dam for the coolant. When the engine first turns on, and it is still cold, the thermostat keeps the coolant from circulating, which allows the engine to warm up as quickly as possible. Once the engine has reached its operating temperature, the thermostat opens and allows the coolant to circulate. A stuck thermometer may stay permanently sealed and therefore keep the coolant from reaching the engine block.
  • The thermostat may also stick open. This will not usually result in overheating, but it will waste gas.
  • Broken engine cooling fan: The engine has a cooling fan that is deployed when the coolant needs some extra help. When the coolant temperature sensor notices that the coolant temperature is getting too high, the engine control unit (on newer vehicles) will initiate the cooling fan to reduce the temperature.
  • Broken thermostatic fan clutch: Older vehicles use a thermostatic fan clutch to engage the engine cooling fan, which is mounted to the fan blades. The fan clutch uses a bi-metallic spring that tightens when the temperature increases. This acts as a "high speed" option for the fan, and when engaged, it draws more air across the radiator.
  • Blown head gasket: The head gaskets sit between the engine block and the cylinder heads, and keep coolant from entering the engine's oil and combustion chamber. When a gasket blows and coolant seeps in, the issue is not only that the engine will overheat, but also that damage may be done to the catalytic converter and oxygen sensors due to contamination from the coolant. What to expect: A top-rated mobile mechanic will come to your home or office to determine the cause of the temperature warning light turning on and the source of the overheating, and will then provide a detailed inspection report that includes the scope and cost of the necessary repairs. How important is this service? An overheating engine is extremely dangerous. It is not safe to drive a vehicle with an overheating engine, or you may ruin the engine completely and put yourself at risk. As soon as you notice the light come on, pull over. If there is no place to safely pull over, turn off your radio and other electrical units, and turn your heat on high (this will funnel some of the hot engine air into the cabin). As soon as you can safely pull over, do so, and then book one of our mechanics to perform an inspection.

Sep 30, 2016 | 2008 Pontiac G6

1 Answer

Do not know what the problem is, but my check engine light is on? Recently had the oil changed and all fluids are filled up. Put in antifreeze/coolant and it was low within a week, but I found no leaking...


A loss of coolant with no apparent leak more than likely means you have a blown head gasket, cracked head, or both. Coolant entering the combustion chamber can cause a miss and that would set the Check Engine light. STOP driving this vehicle until you can find out for sure. You will destroy this engine if it has a blown head gasket and you continue to drive it. Other symptoms of a blown head gasket are white smoke from the exhaust and an overfull oil level with a white foamy substance on the underside of the oil fill cap. You will also have a sweet smell at the exhaust.

Aug 22, 2011 | 1996 Nissan Sentra

1 Answer

Overheating


OVERHEATING CAN BE CAUSE BY MANY THINGS LIKE FAULTY THERMOSTAT AND FAULTY RADIATOR PRESSURE CAP,TOO MUCH WATER IN COOLANT SYSTEM NEED 50 / 50 WATER AND ANTIFREEZE.LOOK FOR WATER PUMP WEEP HOLE LEAK, IF COOLANT LEAKING OUT WEEP HOLE WATER PUMP BAD NEED REPLACING.CHECK FOR LOW COOLANT LEVEL, YOUR RADIATOR OVERFLOW JUG SHOULD HAVE COOLANT AT THE FULL COLD MARK IF NOT KEEP ADDING COOLANT INTO COOLANT OVERFLOW JUG UNTIL COOLANT STOP DROPPING AND FULL COLD MARK, IF OVERFLOW COOLANT JUG WAS EMPTY RADIATOR IS LOW ON COOLANT.WHICH CAUSE AIR IN COOLANT SYSTEM KEEPING THE ENGINE COOLANT TEMPERATURE SENSOR FROM BEING SUBMERGE IN HOT COOLANT WHICH TURN ON THE COOLANT FANS.WHEN ENGINE COOLANT TEMPERATURE GET CERTAIN SET TEMPERATURE LIKE 190 DEGREES THE PCM AND COOLANT SENSOR WILL TURN ON COOLANT FANS, IF VECHICLE OVERHEATING COOLANT FANS NOT WORKING EITHER YOU HAVE FAULTY ENGINE COOLANT TEMPERATURE SENSOR CHECK COOLANT FANS FUSE AND RELAYS. YOU CAN CODE SCAN CAR TO SEE IF YOU HAVE FAULTY PCM, FAULTY ENGINE COOLANT TEMPERATURE SENSOR OR FAULTY COOLANT FAN RELAY.IF COOLANT FAN AND ENGINE COOLANT TEMPERATURE SENSOR OKAY,YOU HAVE CORRECT COOLANT LEVEL IN COOLANT SYSTEM, THERMOSTAT AND RADIATOR PRESSURE CAP BEEN REPLACED, YOU COULD HAVE BLOWN HEAD GASKET CHECK ENGINE OIL LOOKS LIKE MILK SHAKE HEAD GASKET BLOWED ALSO WHEN HEAD GASKET BLOWED YOU CAN DRIVE CAR SHORT DISTANCE START OVERHEATING AND YOU LOOSE ENGINE POWER SUSPECT BLOWED HEAD GASKET.

Aug 04, 2011 | 1999 Oldsmobile Alero

2 Answers

99 Ford Expedition, seems to be overheating and shuts off on me. Check engine light on. What could it be


Well, not knowing anything other than what you have posted....the first thing I would do is check the fluid level. If you have done that and it is okay then the thermostat could be the next step. Next would be the water pump.....

While checking things out, have your Expedition sit there in the driveway with the engine running at idle (in park) and with the hood open, see if your fan kicks on....if it doesn't after your engine heats up to operating temperature (about 5-8 minutes running at idle) check the fuse.

This should get you started in the right direction....checking the fan/fuse/fluid is free and can be done immediately!

May 22, 2011 | 1999 Ford Expedition

2 Answers

My Chevy Venture 1999 when I drived the temperature was normally, but when I stay the temperature was hot. I changed the termosthator but the problem is continually.


Check the coolant reservoir and the radiator for proper coolant level. If low you probably have a leaking intake gasket or possibly a head gasket leak. The intake leak will be visible on either end of the intake manifold, located at the very top portion of the engine. The head gasket usually shows up at the rear head, nearest the belt. You could have a water pump leaking and this would show coolant on the ground under the right front of the engine, more so when the engine is running. They are very common for all 3 problems.

Mar 02, 2011 | 1999 Chevrolet Venture

5 Answers

My 1987 corvette coup motor gets hot real fast , I check therostat and thats not the problem , any idea what else it can be ?


Could be a faulty temperature sensor, at wost it's going to be a bad head gasket or intake manifold. Sorry for the bad news and hope that it's just a faulty temp sensor.

Thank you for using fixya and check your engine oil to make sure there is no coolant mixing in with your engine oil. Coolant is corrosive to your engine's internal bearings.

Sep 21, 2010 | 1987 Chevrolet Corvette

1 Answer

Overheating


WHEN CAR STARTING OVERHEATING MAKE SURE COOLANT LEVEL DIDNT GET TOO LOW. IF NOT I WOULD REPLACE THERMOSTAT AND RADIATOR PRESSURE CAP IF OVERHEATING WHILE SITTING IDLING COOLING FAN NOT COMING ON.CHECK COOLING FAN FUSE AND RELAY IF ALL IS GOOD.CHECK COOLING BY HOTWIRING IT.IF RUNS YOU HAVE A BAD COOLANT TEMPERATURE SENSOR OR FAULT IN WIRE CIRCUIT.IF FAN DONT RUN WHEN HOTWIRED REPLACE FAN MOTOR.IF CAR STILL KEEP OVERHEATING CHECK ENGINE OIL LOOKS LIKE MILK BLOWN HEAD GASKET.IF OIL LOOKS OKAY YOU NEED RADIATOR AND ENGINE FLUSHED OUT.

Aug 24, 2010 | 1996 Chevrolet Caprice Classic

1 Answer

BMW 525i 1996 coolant temperature high and engine overheating


commonly overheating occur caused of cooling fan failure. if the temperature reach over the limit the head could be crack or at lest bend and will be leakage the head gasket

Mar 30, 2010 | 1997 BMW 328

1 Answer

Engine overheating


chances are if the car runs ruff and the temp gauge climbs the head gaskets are on there way out, I would pressure test coolant systems see if it drops, also try it with car running and see if it climbs, if it climbs fast theres a problem, if it drops when it is off then there a problem.

Oct 30, 2009 | 1996 Ford Thunderbird LX

3 Answers

1996 Pontiac Grand Am / Overheating


Below u will find Auto zone list for reason ur car can over heat Shaun Inspect Cooling System Mix Coolant level low or flow is restricted. grey_line.gif 2 Inspect Belt Incorrectly routed, adjusted, tensioned, missing, or worn water pump belt(s). grey_line.gif 3 Inspect Oil Pan Gasket - Performance Ruptured, cracked or leaking radiator hose. grey_line.gif 4 Inspect Radiator Cap Worn or damaged radiator cap grey_line.gif 5 Inspect Thermostat Thermostat stuck closed grey_line.gif 6 Inspect Fan Blade Broken, missing, or defective fan blade(s). grey_line.gif 8 Inspect Water Pump Damaged, worn or leaking water pump. grey_line.gif 9 Inspect Intake Manifold Plenum - Perform Leaking water pump gasket. grey_line.gif 10 Inspect Cooling Fan Control Faulty cooling fan control or circuit. grey_line.gif 11 Inspect Cooling Fan Switch - Radiator Faulty radiator cooling fan switch or circuit. grey_line.gif 12 Inspect Engine Temperature Sensor Faulty engine temperature sensor or circuit. grey_line.gif 13 Inspect Temperature Switch Damaged or faulty temperature switch or temperature switch circuit. grey_line.gif 14 Inspect Fan Clutch Worn, loose or faulty fan clutch. grey_line.gif 15 Inspect Ported Vacuum Switch Damaged, leaking, or faulty ported vacuum switch. grey_line.gif 16 Inspect Radiator Obstructed radiator core or radiator cooling fins. grey_line.gif 17 Inspect Head Gasket - Performance Head gasket leaking coolant into cylinders grey_line.gif

Nov 15, 2008 | 2004 Pontiac Grand Am

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