Question about 1999 Volkswagen Beetle

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My 99 beetle is overheating. I changed the radiator sensor, the cooling fans, and the big relay and the fan do not come on.

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  • Anonymous Mar 31, 2014

    The cooling fans are not coming on to cool the radiator. The car is overheating when standing still in traffic.

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  • Master
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Next you need a data scanner to see if the computer is seeing the temp get to the point that the computer is suppose to turn it on. Its possible the computer failed

Posted on Apr 30, 2010

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Why want radiator coolant fans works for a 99


Find Causes of Engine Overheating
If your engine is overheating, Try this procedure:
  • Dirt and debris can get lodged in the radiator air flow paths. This can block the radiator and cause your engine to overheat and damage the engine.

  • The thermostat can be stuck close. If you feel the upper hose very hot and the lower hose cooler than normal, it may be a stuck thermostat.

  • Make sure the radiator and the overflow bottle are filled to the proper levels.

  • Bleed air from the coolant system:This is best done by running the engine with the radiator cap off until you see when the air bubbles stop coming up.

  • Check the radiator fans: The easiest way is to turn on the cars air conditioner and turn up the A/C fans. Both radiator fans should come on when the A/C starts

  • Make a pressure test by using a pressure testing tool (available at most auto parts stores). Use the pressure shown on your radiator cap. Most cars are 16 PSI or less, so don't exceed that pressure. Replace the radiator cap if it doesn't hold the pressure.

Sep 22, 2014 | 1999 Volkswagen Beetle

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Radiator Coolant fans are still not working even


The engine computer grounds the relay to make the fan run. Will the fan run if you bypass the computer and ground the relay ?

Sep 22, 2014 | 1999 Volkswagen Beetle

1 Answer

My 99 Honda Accords keeps overheating on and off when my car is on park or at a long stop. What can be the problem?


FIRST OF ALL I WOULD REPLACE THERMOSTAT AND RADIATOR PRESSURE CAP THEN CHECK SEE IF COOLING FAN RUNNING.WHILE CAR OVERHEATING. IF NOT CHECK COOLING FAN FUSE AND RELAY.IF ALL IS GOOD THE ENGINE COOLANT TEMPERATURE SENSOR COULD BE FAULTY.HOT WIRE SEE COOLANT FAN WORKS IF NOT, COOLING FAN MOTOR BAD NEED REPLACING.IF COOLING FAN MOTOR WORKING PROBLEM COULD BE IN FAN MOTOR WIRING OR PCM FAILED.

Sep 20, 2011 | 1999 Oldsmobile Alero

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My beetle 2001 radiator fan no working and aircond also come out without cool air, engin overheating problem. i send to workshop and check wiring and fuse all in good condition. please give advise what...


Because there is no supply to the fan , it is not working. So you need to check the fan with a direct link to test , is working check the RELAY box for the fan relay, next check on the thermistor, the control circuit of the temperature controller to trigger the fan relay. Also check on the fuse to the relay unit.
The AC cooling must be checked only after this circuit is working as a hot engine will not give a good result. cehck the gas pressure, check the pumping pressure to confirm the compressor.
Also the eveporator, condenser, pressure switch must be checked independantly.

Aug 08, 2011 | 2001 Volkswagen Beetle

1 Answer

On my 1998 vw beetle the cooling fans are not running, I have changed the coolant temperature switch, the fan module switch, and the sensor on the radiator. Would the thermostat keep them from coming on?


The cooling fans work with a sensor. It has to reach a certain temperature in order for it to work. Maybe it is not the fan. Fan not coming is definitely caused by a faulty thermostat.

Dec 09, 2010 | 2000 Volkswagen Beetle

2 Answers

It has an overheating problem. I changed the


SOUND LIKE COOLING FANS NOT RUNNING CHECK AND SEE DOES COOLING FANS TURN ON WHEN ENGINE OVERHEATS IF NOT CHECK COOLING FANS FUSE AND RELAY IF BOTH CHECKS OUT GOOD HOT WIRE COOLING FAN.IF IT WORKS.PROBLEM COULD BE COOLANT TEMPERATURE SENSOR- PCM- AND OPEN OR SHORT IN WIRES.IF COOLING FAN DONT WORK WHEN YOU HOT WIRE IT PROBLEMS THE FAN MOTOR.

May 27, 2010 | 2001 Chevrolet Malibu

1 Answer

Overheating


You could have several issues here. A blockage in the radiator, bad coolant temp sensor, (not turning the cooling fan on) a bad cooling fan motor. sounds as if maybe one of these may be your primary issue, and the cause of the overheating that originally caused your head gasket problem. Hope this helps

Aug 22, 2009 | 1998 Volkswagen Beetle

1 Answer

2181 code ecl on radiator fans dead


CODE P2181 COOLING SYSTEM PERFORMANCE MALFUNCTION CONDITIONS - ECT SENSOR HAS FAILED. 2.0L ENGINE ECT LOCATION IS ON THE UPPER RADIATOR HOSE CONNECTION AT THE REAR OF THE CYLINDER HEAD. 2.5L ENGINE ECT IS ON THE UPPER RADIATOR HOSE CONNECTION ON THE CYLINDER HEAD ALSO.CHECK COOLING FAN FUSE AND RELAYS

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1 Answer

Overheating engin when at idel, fan not working


does both the hoses get hot bottom and top? this will tell you if theres flow through the radiator. If you have a voltage tester test the wires on the fan connecter check there is current going to the fan if so replace the fan its a common problem as previously stated. 
if there is no power to the fan when the vehicle should be turning it on i.e. its hot enough check the fan relay under the hood.

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