Question about 1996 Toyota Avalon

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My engine is overheating, and when i lift the hood it appears that the coolant in my coolant reservoir is boiling/bubbling....there doesnt seem to be a leak except from the reservoir itself, the reservoir is cracked but im not sure if thats the source of the bubbling

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With the engine cool open radiator cap. If the level is low you are losing coolant. Go for a 30/40 dollars, radiator compression test. Might be a bad radiator cap seal, water pump leak cylinder head gasket.
If the coolant level is in top, then there are many other reason.

Posted on Sep 04, 2010

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I have an 05 Kia sorento. It is showing signs of over heating, I checked fluids changed coolant and there are no leaks. Thermostat only goes to the middle.


Generally and engine heats up a little more when you shut off engine and it may be boiling out into over flow tanks as vapor (no leak) when it makes that sound. A overheated engine feels very hot when you open the hood, gauge works but maybe not accurately.

Jun 03, 2016 | 2005 Kia Sorento

Tip

Vehicle overheating tips


If your vehicle engine coolant temperature gauge indicates overheating, if you experience a loss of power,or if you hear a loud knocking or pinging noise, the engine has probably overheated. You should follow this procedure............

Pull safe off the road, stop the vehicle and turn on our emergency flasher. Put the transmission in "P" (automatic) or neutral (manual) and apply the parking brake. Turn off the air conditioning if it is being used.

If coolant or steam is boiling out of the radiator or reservoir, stop the engine. Wait until the steam subsides before opening the hood. If there is no coolant boiling over the steam, leave the engine running. CAUTION: To avoid personal injury, keep the hood closed until there is not steam. Escaping steam or coolant is a sign of very hing pressure.

Visually check to see if the engine drive belt (fan belt) is broken or loose. Lock for obvious coolant leaks from the radiator, hoses, and under the vehicle. However, note that water draining from the air conditioning is normal if it has been used. CAUTION: When the engine is running, keep hands and clothing away from the moving fan engine drive belt.

If the engine drive belt is broken or the coolant is leaking, stop the engine immediately and call your mechanic of assistance.

If the engine drive belt is okay and there are no obvious leaks, you may help the engine cool down more quickly by running it at about 1500 rpm for a few minutes with the accelerator pedal lightly depressed.

Check the coolant reservoir. If it is dry, add coolant to the reservoir while the engine is running. Fill it about half full. CAUTION:Do not attempt to remove the radiator cap when the radiator are hot. Serious injury could result from scalding hot fluid and steam blown out under pressure.

After the engine coolant temperature has cooled to normal, again check the coolant level in the reservoir. If necessary, bring it up to half full again. Serious coolant loos indicates a leak in the system. You should have it checked as soon as possible at your mechanic's workshop.

Good luck.

on Nov 08, 2010 | Toyota Pickup Cars & Trucks

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On that 2006 300c hemi when it starts to run hot the reservoir where your water goes in starts popping- bubbling. And now my check engine light has come on. What could this be from?


the engine is overheating and boiling the coolant. have a compression test done for head and gasket problem. If you have a viscous fan hub then replace the hub. check for correct coolant level in the radiator cap and that there is no air locks in the coolant system.

Feb 11, 2015 | Cars & Trucks

1 Answer

Engine overheats and heater blowing cold air


You have air trapped in system , change thermostat , bleed air from system , let it run hot while adding coolant with blower full blast on all front and rear heaters .

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1 Answer

Over the winter my water flange on my 2000 VW beetle, cracked. We noticed once the car over started flashing the high coolant temp alarm. I replaced the flange and re filled the engine coolant, now it...


hi.

i hate to be the bearer of bad news, but you may have a blown head gasket.

the coolant is probably not boiling in the reservoir, but if the head gasket has blown by a cylinder, some of the gas is escaping form the cylinder and bubbling up through the coolant.

a pressure check on the cooling system will confirm this, but you could also check the exhaust gas.
if it is white in colour, or has a sweet sugary smell, then this will mean that coolant is also being burnt in the cylinder.

please feel free to ask of you have any more questions.

May 25, 2011 | 2000 Volkswagen Beetle

1 Answer

2003 Lincoln LS V8 3.9. It was overheating. I replaced thermostat housing kit with thermostat and coolant reservoir. the coolant temperature gauge stops straight horizontal, at this time the car diagnostic...


I dont think the coolant is boiling, I think you have an air bubble in your system wich is causing a air lock and youll need it flushed out. Your reservior cap should be tight always.. never loose this is an air tight system and your allowing it to get air in it. I have a 2002 linc ls and just had to pay 1000.00 to replace the system because I let an air lock go for too long and had so much back pressure I blew up my reservior.

Aug 31, 2010 | 2000 Lincoln LS

1 Answer

1996 Acura 3.2TL Overheating Problem...


From your description of symtoms it sounds like you have a bad water pump. If the coolant is not circulating properly you will have a heating problem. Sometimes even a new thermostat can stick and cause the engine to overheat. I have seen them fail in as little as a week after they were installed.

Sep 13, 2009 | 1996 Acura TL Series

1 Answer

Engine low coolant light/overheating engine with white smoke


The condensation inside the hood would bee from the coolant boiling out of the reservoir when it overheated. However, there must be a reason for the overheating and I can imagine it is not good. If you JUST purchased this car, you should be protected by the Lemon Law. Return the car to the dealership and insist that THEY find the problem or supply you with another car. 
If you have had it a while, then find  good mechanic before you warp the head and trash the motor.

Feb 17, 2009 | 1998 Jaguar XJ8L

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