Question about 1997 Chevrolet Lumina

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Over heating my car is overheating...hot light keeps coming on, i think its leaking coolant...what could be my problem

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Is it low on coolant? Is the rad plugged? can be a thermostat issue.

Posted on May 30, 2010

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What to do when 2006 Chrysler Pacifica engine temp warning light comes on?


Do not continue to operate. Operating an overheated engine will cause the engine to fail.

After the engine has cooled,
Confirm that the engine has coolant.
Confirm that the reservoir is full to the mark
Start engine and confirm as engine gets warm cooling fan at radiator turns on

Confirm that the rubber engine belt is working
Put in car heater to full hot and blower on.
Confirm heat is hot from car heater.
If heater is not hot possible water pump failure or air in coolant system keeping the coolant from circulating.
Allow to cool completely.
Remove cap start engine and observe coolant flowing at or near cap. Observe bubbling or exhaust gases coming from radiator

Check for water in oil by pulling dip stick
  • White smoke from the exhaust pipe
  • Overheating engine
  • Bubbles in the radiator or coolant overflow tank
  • White milky oil
  • Significant loss of coolant with no visible leaks
If milky likely a blown head gasket

Hope this helps?
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Jun 29, 2017 | Chrysler Cars & Trucks

1 Answer

How can you check if it got hot hot before i became the new owner or the headgasket needs to be replace


There is no way to really know if the engine was overheated. But to determine if the head gaskets leak use a smog machine gas analyzer and probe the coolant recovery tank for the presence of hydrocarbons with the engine running, if you get a reading the gaskets are leaking most likely. Also leaking heat gaskets cause overheating issues that seem to come and go and rusty coolant.

Feb 24, 2017 | Cars & Trucks

1 Answer

Coolant light come on which indicates an overheating condition


You can never run water in the system, water will boil. You must have a 50/50 coolant/water.

Have the system flushed, the radiator can become restricted from old coolant, the fins have very small ports for flow and can become blocked leading to less cooling.

No thermostat means full flow, so this should not be running hot.

Usually the only way a water pump goes bad is when they leak, they are a direct drive, and the propeller never wears out unless at some point someone had to high of a coolant mixture.

Get the system flushed to clean it and have it made into a 50/50, can't have mostly water, coolant dissipates the heat.

If flushing does not help, the cheapest first thing is a new radiator, or get a new core for it, that's cheaper.

Apr 03, 2013 | 1998 Chevrolet Lumina

3 Answers

2002 malibu runs hot.


Sounds like you have a faulty head gasket or maybe a cracked head.This can cause overheating and the check engine light to come on.The code for the o2 sensor is probably caused by coolant getting into the exhaust system and coating the sensor.The coolant fan may work but it cannot remove enough heat from the rad to make the engine cool off.Try some engine coolant stop leak to see if it will help.This maybe only a temperary fix.Let me know if you need more.MOE

Jun 22, 2010 | 2002 Chevrolet Malibu

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?
  • upper rad hose
  • lower rad hose
  • heater hoses
does the overheating reduce when you turn on the heat at full speed


Jun 06, 2010 | 2005 Chrysler Crossfire

2 Answers

Over heating


When your temperature gauge reaches "H' it may too late to prevent a major breakdown. Knowing the symptoms of an overheated car and how they occur may be the difference between being inconvenienced and incapacitated.
Identification:---Other than a low oil level or low oil pressure light, there is not a more significant part of a car's instrumentation than a rising temperature gauge or a glowing "Hot" light. These lights are really the only confirmation a driver has that his car is really overheating. It is the identification of the symptoms of an overheating car that enable the motorist to avert a badly damaged engine. Overheating is always a traumatic event for a car's engine, which makes the early identification of the symptom an important addition to the informed motorist's tool kit.
Stuck Thermostat:--The car's thermostat is a valve that controls coolant flow from the engine block to the radiator. When the engine is cold the thermostat remains closed so that the coolant can reach operating temperature quicker and also provide heat to the passenger's compartment. The thermostat has a spring on it that moves depending on coolant temperature causing the thermostat to open. Sometimes the thermostat fails to open thus restricting coolant flow to the radiator where it would be cooled down. This condition is often the cause of overheating. The symptoms of this cause would be a rising temperature gauge and possibly the loss of heat inside the car.
Restricted Radiator:---A car's radiator will have thousands of gallons of coolant passing through in its lifetime. Along with the coolant comes particulate matter in the form of corrosion breaking loose from various parts of the car's cooling system. These contaminates collect in the tubes of the radiator reducing its efficiency. Extensive "plugging" in the radiator will cause the car to overheat. The symptom of this condition would be a rising temperature gauge which goes up when you accelerate.
Coolant Loss:--A car's cooling system is a closed loop system. You are not supposed to lose coolant. Sufficient coolant loss will cause the engine to run hot because engine is heating less coolant to higher temperatures. The symptom of overheating induced by coolant loss would be a pool of coolant on the pavement when the leak is external. Steam under the hood as the lost coolant hits hot parts of the engine, or a rising temperature gauge in the case of a undetectable engine related leak. Of course, the gauge would also go up if the leaks were not detected. Deteriorated Water Pump:--Cars use a belt driven pump to push the water and coolant mixture through the cooling system. This part is called the water pump. Rarely the impeller that draws the coolant through the pump will rust away making it impossible to push any through the system. If this occurs the temperature gauge will climb and coolant will boil over in the radiator. Inoperable Fan:----Most cooling fans are electrically driven. Some are driven by fan belts. If a belt breaks or the electric supply to the fan is interrupted overheating may result. Electric fans are tuned on thermostatically when needed. When the car runs at idle for extended periods or the weather is extremely hot, a failed fan will cause overheating otherwise it serves as a standby assist to the rest of the cooling system. In stress conditions an inoperable fan will cause the temperature gauge to rise. This will help. Thanks please keep updated.please please do rate the solution positively .thank you for using fixya

Mar 19, 2010 | 2001 Hyundai Accent

2 Answers

In my 1993 buick park avanue. a red light is going on next to my temperature gauge. my car is not over heating. but i am leaking coolant. what could this mean? also my engine dies for no apperant reasaon...


where are you leaking coolant. on the ground or you can't find the leak. ??

Very common for head gasket issues with these cars. If you coolant is low the light will come on. If your overheating the light will come on. How do you know your not overheating, ???

Mar 08, 2010 | 1993 Buick Park Avenue

1 Answer

99 Firebird still overheating after repairs and antifreeze


overheating is most likely a bad thermostat, but the coolant loss is a second big concern. Does the exhaust look like steam? You could have a cracked block and the coolant is leaking into the engine. Also check the oil for contamination.

Feb 16, 2010 | 1999 Pontiac Firebird

1 Answer

Heat gauge shows hot , have to add antifreeze although no leak


Very common fault is head gaskets.  causing coolant consumption and bubbles in radiator.  Run vehicle, have a friend accelerate once or twice hard, while you smell exhaust for sweet smell of burning coolant.

Dec 18, 2008 | 1997 Ford Taurus

2 Answers

Car over heating


any leaks? if your coolant is disipearing then yes its a leak or the head gasket is eating it, make sure your over flow is full, if it keeps eating it with out leaking out of the engine you need a hg, if its not eating it and still over heating then the water pump is out or it could be leaking from the water pump also. either way your loosing coolant somewhere and the water pump cant push air so the engine over heats from lack of coolant and with lack of coolant it doesnt flow up to the thermostat and to the heater core and that is why you arnt getting heat in the car. sorry if its not an easy fix but atleast its explained clearer for you. good luck let me know how it works out

Erik
U.S. Army

Dec 11, 2008 | 1991 Peugeot 405

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