Question about 1992 Buick LeSabre

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Cooling fans my car over heats and my cooling fan won't cool the car radiator i have changed the water pump, car temperature switch, and the car thermostat.

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  • Ronnie Wilson May 11, 2010

    Cooling System Restriction , Radiator Cloged, Radiator Blockage on Outside, All These things Will Overheat the Engine Have You Ruled OUT ALL of This?

  • transit360 May 11, 2010

    Is your fan coming on and it's just not adequate enough to cool the temperature down?

  • justin barath May 11, 2010

    do the fans run or have you checked

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Flush and clean your radiator.you can get radiator flush and cleaner at the parts store. if that doesn't work take it and have it cleaned . that's if your fan and thermostat is working properly, which they probably are unless i'm misunderstanding you.

Posted on Feb 11, 2009

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2002 Honda Civic...The car is overheating randomly. Replaced the thermostat,and fan relays. Car runs fine and then randomly overheats with gauge going way up and then sometimes coming down.Overheating and...


RADIATOR COOLING FAN NOT RUNNING COULD BE BAD ENGINE.COOLANT TEMPERATURE SENSOR IS FAULTY IF COOLING FAN IS NOT TURNING ON AT SET TEMPERATURE OF 196 TO 203 DEGRESS.CHECK SEE COOLING FAN RUNNING WHEN ENGINE RUNNING HOT.IF YES FLUSH RADIATOR , FLUSH ENGINE BLOCK, HEATER CORE,REPLACE RADIATOR CAP.MAKE SURE YOU HAVE 50/50 ANTIFREEZE AND WATER IN THE COOLANT SYSTEM.CHECK WATER PUMP WEEP HOLE IF LEAKING REPLACE WATER PUMP. IF COOLANT FAN DONT TURN ON 196 TO 203 DEGREES, YOU HAVE FAULTY COOLING FAN,SHORT IN FAN WIRING OR ENGINE COOLANT TEMPERATURE SENSOR FAULTY.IGNITION TIMING WILL CAUSE ENGINE TO OVER HEAT.

Aug 17, 2011 | 1999 Honda Civic

1 Answer

Over heating


Thermostats in cars are often neglected, if not totally forgotten, units. Yet they play an important role in the general performance of cars by restricting water flow until the engine has warmed-up. Thermostats are heat sensitive valves that open and close. On cars they prevent circulation of coolant to the radiator until the engine is warm enough. When the thermostat is closed water only flows through the water pump and water jacket to let the engine warm quickly. When the thermostat opens, water can then pass through the radiator for general cooling.
google_protectAndRun("ads_core.google_render_ad", google_handleError, google_render_ad); Having a car that warms quickly is particularly useful in cold weather when you want to use your car heater as soon as possible. The thermostat is in a small housing positioned where the top radiator hose connects to the engine. The best time to check or change a thermostat is when you are servicing your radiator because you need to drain the cooling system
first. Hence, a thermostat change is a good time to flush and clean your cooling system, check all radiator hoses and the radiator pressure cap. Be sure you have the correct cap on your radiator and it is not rusted. Thermostats are small, inexpensive items. You can test them by heating in water and checking their operating temperature with a thermometer. However it really is quicker and ultimately more reliable to simply fit a new one,
1. thermostat common problems (replace every 50-60k miles)
2. thermostat switch sensor (which turn your cooling fan on and off)
3. check and see if the cooling fans is running when the engine get to its operation temperature. (fan motor can be fault)

Dec 01, 2010 | 1997 Cadillac DeVille

1 Answer

The cooling fan does not go on and the temperature gauge does not show signs of overheating but it over heats and comes out of the little over flow hose. The fan does come on with the ac running. I only...


after replacing all that its going to take the fan awhile to kick on but tis going to over heat fast with just water its got alot lower boweling point than coolant may be doing this faster than what the fan can kick on

Sep 18, 2010 | 1996 Mazda Millenia

2 Answers

It keeps over heating, i changed the radiator and wheel axel and nothing happened it keep getting over heated


Items to check out Cooling fans , Cooling fan relays
coolant temperature sensor,Water pump, coolant mixture.

Apr 22, 2010 | 1997 Cadillac Seville

1 Answer

My 2001 lincoin ls gauge goes up to the h and then come back down


you probably have air trapped in the system. Have dealer or radiator shop bleed system.

I assume your cooling fan is working.

what engine v6 or v8?

SECTION 303-03: Engine Cooling 2001 Lincoln LS Workshop Manual
DESCRIPTION AND OPERATION Engine Cooling The cooling system components include the:
  • block heater (optional)
  • cylinder head temperature sensor
  • fan blade, fan motor and fan shroud assembly
  • radiator
  • pressure relief cap
  • degas bottle
  • radiator draincock
  • water pump
  • oil cooler (optional)
  • water thermostat
The water thermostat:
  • controls the engine coolant temperature.
  • allows quicker engine warm-up.
The degas bottle:
  • provides a location for system fill.
  • contains coolant expansion and system pressurization.
  • provides air separation during operation.
  • replenishes the engine coolant to the system.
The fan blade draws air through the radiator to help cool the engine coolant.
The fan motor:
  • operates only when the engine is running.
  • will not operate when the engine is off.
The engine coolant flows:
  • from the lower radiator hose to the water pump.
  • from the water pump to the engine block and the cylinder heads.
A closed water thermostat returns the engine coolant to the water pump. An open water thermostat allows the engine coolant to flow to the radiator.
Unsatisfactory coolant materials:
  • Alcohol-type antifreeze does not provide adequate water pump lubrication.
    • has lower boiling point
    • reduced antifreeze protection
  • Alkaline brine solutions will cause serious engine cooling system damage.
The cylinder head temperature sensor provides a signal to the temperature gauge.
  • will invoke failsafe cooling.
The optional block heater:
  • electrical heating element is installed in the block cooling jacket.
    • uses a standard 110V (220V in Europe) electrical supply
  • keeps the engine coolant warm during cold weather.
The auxiliary water pump (3.9L only):
  • provides heater coolant flow boost.
  • has a secondary function of providing engine-off cooling.

May 01, 2009 | 2001 Lincoln LS

1 Answer

2003 Audi TT Quatro Coupe. The radiator cooling fan does not work. Vehicle over heats because the fan does not work. Replaced the radiator cooling fan motor and the temperature sensor. The problems is...


The main reason for the over heating of the audi tt is to do with the water pump. The propeller within the first type of water pumps is made of plastic. This was to prevent corrosion, however was never designed to last longer than 5 years. What you need to do is purchase the new style water pump. These new style water pumps have been designed with a metallic propellor which should resolve the overheating. Let us know how you get on.

Apr 21, 2009 | 2003 Audi TT

1 Answer

Overheating 97 V6 pontiac grand am


1 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

Dec 01, 2008 | 1997 Pontiac Grand Am

1 Answer

Car is overheating


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 here is a list of things to check Shaun

Nov 17, 2008 | 2000 Cadillac DeVille

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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