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I have a 2006 Toyota Noah how long long should the radiator fan run mine look like it's running too long

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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

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SOURCE: 2006 Toyota Tacoma heat/AC fan runs on high only

replace the blower motor speed control resistor.

Posted on Jul 21, 2009

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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."

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SOURCE: radiator cooling fan is not running

The fan is wired to run with the heater or the AC on, If it doesn't run alone chances are your coolant temp unit is bad, But first check all conections. The coolant temp unit in most Vehicles is located near the thermostat on the engine block.

Posted on Aug 27, 2009

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SOURCE: The radiator cooling fans run continuously in my 1998 Toyota

Fan switch should be located in the upper radiator tank. Two wires to it. it works off the temp of the water.

Posted on Jul 12, 2010

  • 508 Answers

SOURCE: 2006 PT Cruiser radiator cooling fan stays on

It might have a bad tempature sensor or a stuck thermostat .Faulty relays or a wiring issue I recently found a bad cooling fan plug on a 06 pt cruiser.You should first have it checked for computer codes it may show a code for the problem.

Posted on Sep 10, 2010

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I have 2006 Toyota Noah how long should my radiator fan run

I am not familiar with your model, but the "rule of thumb" is :
The radiator fan "to cool the engine" will run until the engine temperature has cooled sufficiently to allow the temperature sensor to kick off.
(That temperature sensor is screwed into the engine block.)
This may be as little as a minute to as many as 5-8 minutes.
If your car had air conditioning, that would be yet another fan, that should run only when the air conditioning is turned on.

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There are items you need to check.
1. Is the cooling system losing coolant. If so the engine will overheat and you need to find the location of the leak. It may be internal to the engine or an external leak from a hose, a water pump seal or a crack in the radiator or a failing radiator cap.

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3. You may have a partial blockage in the radiator with a build up of debris which is slowing coolant flow through the radiator or a partial blockage in the cooling jackets in the engine. Coolant needs to be removed from the engine every few years, the radiator flushed out and then new coolant is added to the system.

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Radiator fan will not come on , the car is over heating. I was told that I could unplug a sensor on the bottom of the radiator and the fans will run all the time but I do not see this sensor . Noah

no the sensor needs replaced if it is bad try to wire the fan up hot to the battery by unpluging the harness two wires and wiring it to the battery to see if the fan is good if it is call me at 9378292794 and i will tell you a couple different things you can do. you can also test the harness and see if it is getting a ground and a hot.

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