Question about 1993 Chevrolet Lumina

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Lumina overheats ,removed thermostat, no visible leaks,still gets hot, i have both fans running too

Posted by Anonymous on

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  • Chevrolet Master
  • 2,899 Answers

If the radiator cap is not allowing the radiator to maintain proper pressure, the coolant will boil and overflow the bottle reservoir.
Check radiator pressure and replace the cap if the pressure drops.
Hope this helps.

Posted on Apr 15, 2015

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  • Contributor
  • 13 Answers

Are you sure that the waterpump is ok?

Posted on Apr 18, 2014

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Posted on Jan 02, 2017

Illeagle
  • 525 Answers

SOURCE: Are both radiator fans suppose to come on together?

I found this forum site and from what I can discern, both fans should be running once engine temperature sensor turns them on. Can you switch wiring from 1 fan to the other? This would let you know whether you have a faulty motor or relay. Maybe you can pick up some tips too.

http://townhall.edmunds.com/direct/view/.ee9e4cb/478!keywords=allin%3Amsgtext%20limit%3A.ee9e4cb%20radiator%20fans#478

Posted on Jun 14, 2008

  • 14036 Answers

SOURCE: 2000 chevy lumina. Is fan supposed to come on when car started

no fan comes on when engine cold start up .but it will come on when you turn on air conditioning or defrost on .if engine idling a while when temp get 190 degree the fan will kick on.if over heating you got air in system .wait until cools check coolant add more .crank engine let it idle few. minutes when start warming up turn off engine wait a while before removing radiator cap so you wont get scald.add more coolant .crank it again starting warming up turn off engine wait a while .add coolant .keep doing this procedure until your coolant stop dropping off .if you do this more than 6 times you got a leak some where.check crank level for signs.if oil level higher than normal.if everything looking good.when engine cool make sure add coolant to over flow jug cold level mark.

Posted on Apr 28, 2009

  • 172 Answers

SOURCE: 91 chevy lumina apv 3.1,engine overheats,

Does the low coolant light come on?

Posted on Aug 11, 2009

  • 34 Answers

SOURCE: My 2002 Chevy Malibu is overheating. I found that

If your car is equipped with a 3.1 or a 3.4 litre V6 and you have preformed all of the above listed work then I would have to say its the intake manifold gaskets. They commonly blow on these motors. Just a design flaw, nothing but replacing them when they leak can fix this. Also run a coolant pressure test on the system to check for minor things like a leak that you cant see from visual inspection. Hope this helps.

757Nate

Posted on Nov 21, 2009

jturcotte
  • 8215 Answers

SOURCE: 2000 Camaro V6 is running

Blown head gasket or cracked head is likely. See my tips at http://www.fixya.com/cars/r5929960-s_thermostat and let me know if you have more questions.

Posted on Sep 13, 2010

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Have bmw 320i 2001 only 55570 miles. even driving after 10 miles engine get hot. no problems with driving , no warning light but it stays hot even after2 hours. please need advice. car was checked


This bmw is overheating , even after 2hrs, the engine will still be hot after it verheats. the basic thing to do first is to allow the engine to cool down 5-6 hours or even overnight.then check to see if the cooling system is full of coolant. this problem may be caused if lets say the coolant level is low, this can happen if theres a leak in the system. if low fill system and then have it checked for leaks.another problem if the system is not low then you may have a bad thermostat, a bad thermostat will not allow the coolant to flow inturn making engine overheat, the the last common problem could be a bad fan, start in the order i listed as far as the thermostat watch the gauge and feel the lower hose, if the gauge goes to hot and the lowe hose is luke warm or cold and the top radiator hose is hot then the thermostat is bad. the last test is for the fan, if the top hose and the lower hoses are hot and the car is starting to overheat then it may be the fan, see if the fan is spinning, this car may have an electric fan or belt driven fan, if its electric then see if its running, if the fan is not running then testing need to be done to see why, the fuse and the relay will need to be tested and then the fan itself. if the fan is belt driven then you will see if the belt is on the fan pulley and then check the fan clutch, the way the fan clutch works is the fan will run at a slowwer speed than the engine and then when the heat from the radiator gets hot and blows on the front of the clutch this causes the fan clutch to lock up and makes the fan spin faster. check to see if this is happening but if this were to be the problem or if the fan was aproblem the car would not overheat as you are driving rather it would overheat at a stop or in slow traffic because the air flow from the driving would act like a fan as the air flows through the radiator from driving this would cool the engine if it was the fan, but if the car overheats even while moving then it would not be a fan problem but rather the thermostat or low coolant. there is another problem but i would start with these. hope this is helpful.

Oct 02, 2011 | BMW Cars & Trucks

2 Answers

1999 chevy tahoe 5.7L vortec 350 new thermostat,new radiator,new waterpump.still overheating?


REPLACE RADIATOR PRESSURE CAP AND CHECK THE COOLING FAN CLUTCH.WHEN YOUR ENGINE HOT WHEN YOU TRY TURNING CLUTCH FAN WITH YOUR HAND WHEN ENGINE IS HOT.THERE SHOULD BE RESISTANCE IN THE FAN.IF CLUTCH FAN SPINS FREELY WHILE ENGINE HOT.YOU NEED TO REMOVE COOLING FAN TO REPLACE CLUTCH.

Feb 23, 2011 | Chevrolet Tahoe Cars & Trucks

1 Answer

Car overheated and lost all power. how do I get it to start?


ENGINE NOT GOING TO START IF GET TOO HOT FIRST THING I WOULD REPLACE THERMOSTAT AND RADIATOR PRESSURE CAP THEN ADD COOLANT UNTIL COOLANT LEVEL CORRECT THATS WHEN THERMOSTAT OPEN UP AND TOP HOSE HOT.CHECK FOR LEAKING RADIATOR HOSES CHECK TOP RADIATOR HOSE CHECK BOTTOM RADIATOR HOSE.CHECK FOR LEAKS AROUND THE RADIATOR LOOK DOWN BELOW COOLANTS FANS CHECK FOR LEAKS AT RADIATOR CORES OR LEAKS AT THE RADIATOR PLASTIC SIDE CONTAINERS. CHECK FOR LEAKS AT WATER PUMP WEEP HOLE AND CHECK FOR LEAKS AT THE HEATER HOSES AROUND ENGINE BLOCK TO THE HEATER CORE HOSES. THERE IS A REASON CAR OVERHEAT.IF CAR OVERHEAT WHILE DRIVING YOU HAVE FAULTY THERMOSTAT OR LEAKING OUT COOLANT OR BLOWN HEAD GASKET.IF ENGINE OVER HEAT WHILE SITTING DURING A LONG IDLING PERIOD.YOU COULD HAVE FAULTY COOLANT TEMPERATURE SENSOR OR FAULTY COOLING FAN FUSE OR RELAY.HOT WIRE COOLANT TO SEE IF IT RUNS IF NO REPLACE FAN MOTOR. IF YES FAN MOTOR COULD HAVE FAULTY WIRE OR PCM FAILURE. CHECK ENGINE CRANKCASE IF OIL LOOKS LIKE MILK SHAKE ENGINE HEAD GASKET LEAKING.

Nov 26, 2010 | 2002 Mitsubishi Galant

1 Answer

Leaking cooling system


if fan isnt working , water most proberly evaperating when getting hot , try wiring the fan so running constant

Apr 05, 2010 | Peugeot 405 Cars & Trucks

1 Answer

What would cause my 2002 zx2 to overheat ?


Faulty thermostat, failed water pump, inoperable radiator fan, low coolant due to leak, faulty radiator cap, leaking head gasket, low oil, major exhaust leak near front, exhaust blockage, or incorrect ignition timing. If there is crust around radiator cap, cap is leaking. How long does it take to overheat? If it runs smoothly when cool, and all fluids are at correct levels, you can rule our head gasket, radiator cap, and ignition timing. If it overheats very quickly and fluids are correct, it is probably thermostat or water pump. If it seems to do better at higher speeds, it is probably radiator fan. You can check this by allowing vehicle to run in Park with hood open. Monitor engine temp on dash. When it is at or slightly above normal running temp, radiator fan should come on. Also note exhaust sound. If it seems loud and overheats gradually, you may have a leak before the converter. If the exhaust sounds quiet, but exhaust manifold is getting extremely hot (may glow red), there is probably a blockage. There will also be OK starting and idle but poor acceleration if exhaust is partly blocked.

Nov 25, 2009 | 2002 Ford ZX2

2 Answers

My 1997 Chevy Lumina Runs Hot, replaced thermostat and radiator cap and hoses, but it still idels fast and runs hot. CAn you help here?


Good day
if you have replace the thermostat and rad cap, after the thermostat did you let the system burb it self. there might be an air pocket in the system. you can also check the strength of the coolant if its low it won't remove the heat. also check the front of your rad the fins make sure that it's not all plugged up with dirty, bugs etc. after you get the over heating under control then we can look at the high idling
hope this helps

Cheers

Jul 10, 2009 | 1997 Chevrolet Lumina

1 Answer

2000 chevy lumina. Is fan supposed to come on when car started


no fan comes on when engine cold start up .but it will come on when you turn on air conditioning or defrost on .if engine idling a while when temp get 190 degree the fan will kick on.if over heating you got air in system .wait until cools check coolant add more .crank engine let it idle few. minutes when start warming up turn off engine wait a while before removing radiator cap so you wont get scald.add more coolant .crank it again starting warming up turn off engine wait a while .add coolant .keep doing this procedure until your coolant stop dropping off .if you do this more than 6 times you got a leak some where.check crank level for signs.if oil level higher than normal.if everything looking good.when engine cool make sure add coolant to over flow jug cold level mark.

Apr 28, 2009 | 1999 Chevrolet Lumina

2 Answers

My 1986 plymouth turismo runs hot and overheats


You say it gets hot and overheats, are you losing coolant when it overheats? If it isn't boiling over, you seemed to cover everything that could be wrong, the fan is working, if it is not boiling over, just registering hot on the gauge, I wonder if it's just a temp. sending unit that's bad, indicating a overheating problem when there really isn't one. The water pump is bad when the shaft bearings go bad, and it will leak at that point. So, let me know if the car is actually boiling over (steam visible, exiting the cooling system)

Apr 14, 2009 | 1986 Plymouth Conquest

2 Answers

My car is overheating. i changed out the thermostat. nothing is getting pulled from the res.


are the fans working? let it run and get hot. they should kick on if the fans come on and work the water pump is bad

Jul 09, 2008 | 1995 Chevrolet Lumina

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