Question about 2005 Toyota Corolla

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Coolant is not circulating even after replacing the radiator and water pump and thermostat

Posted by Anonymous on


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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 11 Answers

SOURCE: coolant leaking

Hello Kasalama :

Is it possible to wash off the engine while protecting the distribuutor and other electronics so we can start with a clean and dry engine ? . * Make sure that your radiator is full and that the Radiator/ Coolant overflow reservoir is at the proper level . * I would put a large piece of cardboard on the floor and along with a bright flash light or shop light use it to guide you where the leak s coming from .

If that is not helpful , I would perform a pressure check on the cooling system . The pressure check can be performed as a diagnostic tool . Put the truck in park and apply the parking brake . Attach the pressure diapham and Start the engine . You will have to manually pump it to a specified pressure as indicated on the gauge/ manometer .

The pressure diaphram usally attaches where the " radiator cap " is . Applying pressure can show leaking hoses, pipes and leaks in the radiator or fittings .

Be mindful that you can also have a leaking Intake manifold Gasket .

I hope that this info has been of help to you .

Posted on May 31, 2009

  • 720 Answers

SOURCE: 1995 Toyota Camry 4 cylinder runs hot


Firstly, ensure you have the required 'mixture' of coolant/water (must have required coolant).

Second, I would recommend you re-test all the cooling system sensors again (make sure they're within specifications), in case a new one is faulty.

Third, ensure the new thermostat was of the correct temp setting (they all differ), so that it opens at the required time. Most cooling systems operate within 90 - 100degC.

Fourth, make sure the radiator (and associated hoses) aren't blocked.

If your temp gauge is reading higher than normal, but NOT in the danger zone...then this can be considered normal (especially if you've replaced with new components) and nothing to be concerned about.

However, if the temp gauge IS in the danger zone....then this suggests the coolant is not flowing through the cooling system properly.

If all above components test ok, then it's possible your water pump may not be pumping enough volume.


Posted on Aug 16, 2009

Testimonial: "I appreciate your help...Maybe I should just relace the water pump, that would be the last thing that I would need to replace."

  • 881 Answers


Sorry to tell you that your problem is YOU have a Head gasket blowen OR a Cracked head, either way you have to remove the head and take it away for Crack testing and surface grind (max 4 thou) no more.
If all ok when done replace with new VRS and refill with coolant (but turn on the heater to hot before filling to remove all AIR

Posted on Sep 23, 2009

  • 75 Answers

SOURCE: 1990 toyota corolla wagon 1.6 liter 5 spd. overheating

you've got a possible blockage in the head or block.

Posted on Oct 03, 2009

  • 2309 Answers

SOURCE: I have a 91 corolla with 78,000 miles. I've been

have the system pressure tested for a few hours, if pressure drops and no leaks are found you may have a head gasket leak and the coolant is going out the tailpipe

Posted on Oct 26, 2009

Testimonial: "I'll give it a shot. Thanks."

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Coolant isn't circulating in the engine of a Jeep 2002 Grand Cherokee V8. Radiator was just replaced as well as the water pump and thermostat.

Hi Jonny, While the engine is cold the thermostat will be closed, allowing coolant circulation around the engine block and cylinder head but not through the radiator. Only when the engine has reached normal operating temperature will circulation be noted in the radiator. A good test is to remove the thermostat while the engine is cold , start the engine with the radiator pressure cap removed and observe flow. If as I suspect it is there, refit the thermostat and check the heat gauge. If all remains well there is no problem. If the engine overheats replace another thermostat. If there is no circulation with the thermostat removed, there is a blockage in the cooling galleries of the engine. If chemical flushing does not clear it, it will require disassembly of the engine with careful step by step inspection at every stage. If the cylinder head(s) had been removed I would suggest making sure of the galleries not being blocked by installing the gaskets incorrectly. Regards John

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No coolants circulation replace thermostat water pump and radiator builds up pressure quickley

Sometimes even the most skilled mechanic may overlook simple things. Check to see if thermostat is installed in correct position. Did you remember to bleed the intake manifold? There is a bleeder valve close to the upper hose going into the motor. Not sure where yours is. Also replace water reservoir cap or radiator cap. Check hoses for sturdiness. A damaged hose may collapse and prevent water from circulating.

Jun 25, 2012 | 2002 Cadillac Seville

2 Answers

Overheats after 5 minutes. Radiator recently replaces.

Most probably when the radiator was replaced it was not filled properly and you have an air lock in the system preventing water from circulating properly.
Read your owners manual or go a forum on your partcular car there as specific methods of adding coolant to assure no problems. Some systems even have a bleeder.
Other possible problems would be a collapsed hose or a bad thermostat.

Feb 10, 2012 | 1997 Dodge Caravan

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My car overheats even when the thermostat is not in, and I just replaced the radiator.. what could be he prob?

Does it overheat with the thermostat in also? Most vehicles need a thermostat to keep the coolant from circulating too fast and not having time to cool down. If you already tried that, check the water pump, it could be faulty and not circulating the coolant. Check then fan clutch to be sure it's working properly....I hope this helps.

Sep 16, 2011 | 1996 Oldsmobile 88

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I am having the same problem with my 94 sunfire. changed thermostat. flushed and cleaned radiator replaced coolant. no cigar. any ideas. mechanic says could be water pump but he cannot be sure and it is...

To see if it is your water pump - remove the radiator cap and start your vehicle while it is cold. the water should not circulate due to the thermostat being closed. When it is warm, the coolant should be seen to ciculate as viewed through the rad cap opening. (be sure there is lots of coolant - of course) Also if there is no thermostat - the water will circulate after the engine is started wheather hot or cold if the water pump is working. You say it is a new thermostat so I assume it is not stuck closed.

Nov 19, 2010 | 1996 Pontiac Sunfire

1 Answer

Even after replacing the radiator, thermostat and

The problem with overheat is due to poor coolant circulating. The main culprit is the Radiator. When the radiator is clogging up, coolant can't be circulating. The stagnant coolant inside the engine water jacket keeps absorb heat from combustion chambers having no way to dissipate the heat then the engine is overheated. You can test the water pump by removing the thermostat, then hooking everything back. Open the radiator cap, then turn on the engine to see if water flowing down to several small tubes inside the radiator. If water can't go down fast enough to cause over flow at radiator opening then your 90 Legend Radiator already got clogged up. Replace with a new radiator, not even a rebuilt one. Good luck.

Dec 13, 2009 | 1991 Acura Legend

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2005 kia spectra over heating

Did you install a new thermostat and make sure to bleed all the air out of the system when you replaced the radiator? If you didn't, or installed a Stant thermostat, replace it with a FACTORY OEM thermostat. Make sure the cooling system is bled by opening your radiator cap (WHILE THE CAR IS OFF AND COLD), starting the car and running the heater. Add coolant to the radiator as the engine heats up, until is at normal operating temperature AND starts spitting coolant back out.

Hope this helps,
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