Question about 2000 Daewoo Leganza

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Cooling fan fuse burns out and fans wont come on to cool radiator

Need to know the steps to track this problem I have a tester what settings do I use and what amps or volts will I look for and where do I test or what test sights do I use

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  • chefjeffrob May 15, 2009

    thank u 4 ur help canela

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You need to use amps, test the load at the point where you blow fuses, if possible test load at the terminals of the fan

Posted on May 14, 2009

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What could cause my 93 Chevy Cavalier to overheat? I just put in a new water pump and a new thermostat but it still tends to overheat and now has a leak from the thermostat intake hose.


We need rule out a few basic things to properly diagnose the overheating problems.
Step 1:Do you think?there is enough antifreeze in the radiator? Don t just look inside the plastic overflow bottle only, you should remove the radiator cap and then look inside the radiator.We should see the fluid level whether it is at its proper level or not. Most cars and trucks will hold a mixture of coolant and water .You should have the cooling system pressure tested for a leak if you have to add more than a pint of fluid .If we see any obvious fluid loss in the engine compartment or on the ground , we should also have the system tested.
Step 2:If you don not see any coolant leak or low fluid level , then you should determine when the overheating problems occurred.If the engine overheats only at a stop or idle ,Most front wheel drive cars will use an electric cooling fan motor located in front or behind the radiator. The existence of function of the cooling fan is to improve airflow across the radiator at stops and low speeds.The fan is controlled by sensors,it regulates the engine temperature and additional load that might be placed on the engine.The cooling fan is required by the air conditioning compressor to operate at idle when the compressor is on.It is a quick way to check the cooling fan operation to turn on the air conditioner.
Also the cooling fan should come on with the air conditioner compressor. Some automobiles will have two electric fans, one is the air conditioner condenser fan and the other is for the radiator .It will have a belt driven fan blade and fan clutch if your vehicle does not have an electric cooling fan on the radiator . This fan should be pulling a large amount of warm and hot air across the radiator onto the engine to keep it cool.The radiator fan is usually closer to the middle of the radiator. The radiator fan is responsible for cooling of the engine, while the condenser fan is responsible for increasing air conditioning efficiency at idle and low speed.If there is ample airflow across the radiator at idle. The radiator is responsible for the primary heat exchange for the engine, and airflow is crucial at this time.
Step 3:Again, we have ample airflow across the radiator, so we must inspect the proper antifreeze circulation.If there is a restriction in the system , it will produce the same affect.Water calcification can accumulate in the radiator and then drastically reduce the flow of coolant at a very high speed. Removing the radiator from the vehicle are the only two real cures for a clogged radiator.It be a waste of time and money trying to correct a restricted radiator when you use a can of radiator flush additive. Of course there are more technical issues that could produce an overheating problems, but the check list described above will identify the most common.Anything you can do to help the mechanic to deal with the problem will probably result in less diagnostic charges, and it might help insure a proper diagnosis of the problem at once of your 1993 Chevrolet Cavalier.
Step 4:You must inspect an electric motor cooling fan ,it will start with ignition key switch off, it has failed and needs to be replaced if the 1993 Chevrolet Cavalier fan motor does not spin freely . The electrical system operates the fan needs to be tested,If the fan motor "freewheels" that . Start the engine and then turn the air conditioner to the coolest setting, if your automobile does not have an air conditioner skip this step.The car air conditioner will operate the 1993 Chevrolet Cavalier cooling fan should activate within five minutes , the fan motor fuse must be checked first and the fuse condition is good the remainder of the electrical system must be checked.
Step 5:A wiring schematic is needed to further troubleshoot this problem ,which is located in a repair service manual. You may use the wiring schematic to trace the circuit through the fuse and relay components, if everything of 1993 Chevrolet Cavalier tests fine, the fan motor has failed and needs to be replaced. The most common repair is the cooling fan motor failure.
This isn't only theory. You can take these steps into practice.You can deal with the 1993 Chevrolet Cavalier overheating problems yourself.

Jul 18, 2016 | Cars & Trucks

1 Answer

The radiator fan closest to my engine wont work in my 2003 kia rio, i have checked the relay and swapped the fuses over but no luck. What else could the problem be?


Hi Julie, the dual fan cooling system generally works with the larger fan being the radiator cooling fan and the smaller fan being the A/C cooling fan! If you start the vehicle and turn on the A/C and select the coldest setting within a few seconds both fans should start working!

Jan 20, 2015 | Kia Cars & Trucks

1 Answer

Radiator cooling fan fuse location on 2007 ford edge


under the hood there is a relay box...buy a tester at an auto parts store with your fuses with it ...fuse kit....

Oct 17, 2014 | Cars & Trucks

2 Answers

My cooling fan will not turn on. What could this be? I had someone tell me the water pump, but it does not leak.


Step 1:

This cooling fan circuit has 2 cooling fans and 2 cooling fan relays, both cooling fan relays are located in the BJB (battery junction box, underhood fuse box) there is a low speed or main cooling fan relay in cavity location # K-46 and the high speed relay is location # K-47! Also check the main cooling fan power fuse # 2 in the same BJB, The fuse is a MAXI-FUSE (large one) it is blue in color and is rated at 60amps!

Step 2:

Also check the coolent tempature sensor thats what signals the fan to turn on.

Step 3:

Do the fans turn on when you turn the a/c on. if not may have bad fan motor

Feb 27, 2013 | 1998 Ford Contour

1 Answer

Fan comes on when switch ignition on instead of when hot Tazz


If the fan not turning on when car engine getting hot,then car will notice overheating.Click this link below for troubleshooting:---http://technoanswers.blogspot.in/2012/02/car-running-hot.html--------To know how engine cooling system works ,click the link below :----Engine cooling components working?

http://repairhelpcenter.blogspot.com/2011/11/engine-cooling-components-working.html

------------------
How does Vehicles Engine cooling system works? http://repairhelpcenter.blogspot.com/2011/11/how-does-vehicles-engine-cooling-system.html
------------How to Replace Engine cooling Fan:-- http://repairhelpcenter.blogspot.com/2011/11/how-to-replace-engine-cooling-fan-on.html
-----------Replace Fan Relay but still Radiator cooling fans not working? http://schematicsdiagram.blogspot.com/2011/12/replace-fan-relay-but-still-radiator.html
----------DIC says "COOLING FAN FAULT"? http://schematicsdiagram.blogspot.com/2011/12/dic-says-cooling-fan-fault.html
---------Where Is Radiator Fan relay and Fuse Located?

http://schematicsdiagram.blogspot.com/2011/12/where-is-radiator-fan-relay-and-fuse.html

--------

This will help.

Thanks.

Feb 09, 2012 | Cars & Trucks

1 Answer

What tools do I need to remove a radiator out of a 1996 chevy cavalier?


To Replace a Radiator check this procedure...

Tools:
1. Combination Wrench Set
2. Screwdriver
3. Flashlight
4. Cooling System Pressure Tester
5. Needle Nose Pliers
6. 3/8 in. Drive Ratchet
7. Socket Set

Supplies:
1. Coolant

Steps:
1 Open the hood and locate the vehicle’s radiator.
o Tip: Safety Tip:Always wear safety glasses when working on your vehicle. Wear other personal protective equipment (PPE) when necessary, for example latex gloves or safety shoes.

2 With the engine off and cold, remove the radiator cap.

3 Place a drain pan under the radiator. Remove the drain plug or remove the lower radiator hose to drain the cooling system.
o Tip: Twisting the hose or using a screwdriver may allow easier removal.
o Tip: Lifting the vehicle will give better access to the lower radiator hose.

4 Remove the upper radiator hose.

5 Remove the radiator fan shroud or remove the electric cooling fan assembly.
o Tip: Transmission cooler lines will need to be removed when replacing the radiator.

6 Remove the radiator.
o Tip: Some older metal radiators can be taken to radiator repair shops for repair.

7 Install the new or repaired radiator. Make sure it is aligned.

8 Install the lower radiator hose and clamp.
o Tip: Replace the hose and clamps if necessary.

9 Install the radiator fan shroud or electric cooling fan assembly.

10 Install the upper radiator hose and clamp.

11 Fill the radiator and radiator reservoir with a 50/50 mix of coolant and distilled water.

12 Install the radiator pressure tester and check for additional leaks.

13 Re-install the radiator cap and start the engine.

14 Monitor the engine temperature.
o Tip: DO NOT allow the engine to overheat.

15 Road test the vehicle, maintaining supervision over the temperature gauge.

16 Verify repair by inspecting for leaks or overheating.


Good luck; remember comment and rated this help.

May 28, 2010 | 1996 Chevrolet Cavalier

2 Answers

Electric Radiator Fan Does Not Come On


Chevy dealer says will not come on until temperature reaches 219 f

May 16, 2010 | 2007 Chevrolet Silverado 1500 2WD

3 Answers

My radiator fan does not work under any conditions, all fuses ok, wondering which relay is it to check conditions, thanks


Here are the cooling system diagnostic steps...First does the cooling fan kick on (with engine hot)? If not, check the fuse, if good then check the thermoswitch in the radiator (it's about an inch and a half in diameter located on the lower part of the radiator with two wires ) by disconnecting the wires and touching them together (again, with engine hot...at least 190 degrees) if the fan comes on, you have a bad switch. If not connect a 10 gauge jumper wire from the battery to the fan itself (there are three terminals,,, one high, one low and ground). With power direct from the battery (and a ground wire, if necessary) fan should run... if not replace the fan assembly... if it does run then you have a bad cooling fan relay. It will be located above the fuses on the fuse block... Hope this helps...;-)

Apr 24, 2009 | 1991 Buick Century

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