Question about 1990 Toyota Corolla

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Radiator fan not working properly - 1990 Toyota Corolla

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The fan is controlled by a temprature switch, so ask your auto parts dealer for a temp sending sensor, once you get it in your hand and look at the engine you will see where it goes. dont try to change it out with the engine hot because when you take the old one out some of the coolent will come out.

Posted on May 06, 2010

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Hi, i replace the thermostat and water pump flashed the radiator has coolant but still overheating, what else could it be its golf 4 tdi diesel 2002. Thank you


Radiator may have rust/salt deposits inside, if that is case its cheaper and better to change the radiator. Also for future don't use normal tap water in radiator, use a coolant + ph balanced water meant for radiators to reduce salt buildup inside radiator.

Also check the radiator fan is working ok and rotating in the right direction, sucking cool air inside not blowing out hot engine air to the radiator. Some electric fans can have wires mixed up so they start in the wrong direction. (make sure fan is sucking cool air outside towards the engine).

In some cars, radiator fan has a top cover that stops hot engine air getting sucked by the fan, if your car has it, make sure it is fitted properly and is in good order.

Some cars have a fan fitted on the AC condenser, make sure this fan is working as well.

Oct 01, 2016 | Cars & Trucks

2 Answers

The radiator fans stopped working on my 1993 colt vista. what is the problem?


Unless you are in a very hot climate, with no air con working the radiator fan does not normally come on.

Sep 29, 2014 | 1993 Plymouth Colt Vista

1 Answer

Replaced radiator, filled it with antifreeze


Likely somebody didn't hook up the fan(s) properly when the radiator was replaced.. OR ... hopefully, this wasn't a case where the original problem with the car was the cooling fans not working.... and somebody diagnosed the problem as a clogged radiator????? I had the same problem recently with the fans not working, and the problem was a relay switch that turned on the fans when more cooling was needed.....

Aug 07, 2014 | 2000 Toyota Camry

2 Answers

96 honda overheats then cools while driving


If it is only overheating when your sitting still the cooling fans may not be coming on and pulling air thru the radiator. When you go down the road air is flowing thru the radiator and helping cool down the engine coolant.

Apr 27, 2014 | Honda CR-V Cars & Trucks

2 Answers

RADIATOR FAN DO NOT WORK


EITHER IS THE RADIATOR FAN SWITCH NOT WORKING,OR THE FAN RELAY NOT WORKING OR THE FAN MOTOR SEIZED

Apr 22, 2014 | 2000 Volkswagen Beetle

1 Answer

Changed the radiator but the car is still running hot


Some thing too check:
Make sure coolant level is up to line and clean (not dirty, do to clogged radiator, may need to be flushed or replaced).
Make sure air flow through the out side of radiator is clear (dirt, leaves, ect..) .
Make sure fan is working properly equip t (is not running too slow). Or Manual (belt driven) fan clutch is working properly, not loose or spinning too freely?
Check for broken or cracked fan blades itself.
Check radiator cap, (no gasket tears).
Could be thermostat going bad ?
Could be coolant temperature Relay or sensor/switch (from computer) going bad?
Check radiator hose(s) (too soft, may collapse)?
In some rare cases:
Timing could be off.
Could be water pump.
Could be blown head gasket(s).
Could have cracked head(s).
ECT..............Hope this was some help???


Sep 15, 2011 | Hyundai Tiburon Cars & Trucks

1 Answer

I have overheating problem


You have to check the following checks to see if the fan works if you have clucht fan to work properly, check if the thermostat works fine, check that the recirculating water pump antifreze well, make sure the radiator is not blocked, and that the radiator capthis, if everything is correct you head cilynder problem. I hope you serve these procedimientosThanksYou have to check the following checks to see if the fan works if you have clucht fan to work properly, check if the thermostat works fine, check that the recirculating water pump antifreze well, make sure the radiator is not blocked, and that the radiator capthis, if everything is correct you head cilynder problem. I hope you serve these indicaciones.Thanks

Oct 22, 2010 | 2004 Dodge Durango

1 Answer

How to change a radiator


1988–91 Models
  1. Disconnect the negative battery cable.
  2. Properly drain the cooling system into a suitable container.
  3. Disconnect the fan motor and motor connector.
  4. Disconnect the upper and lower radiator hoses.
  5. Disconnect and plug the automatic transaxle cooling lines at the radiator, if equipped.
  6. Disconnect the coolant reservoir overflow hose.
  7. Remove the radiator attaching bolts and brackets.
  8. Remove the radiator with the cooling fan attached.
  9. Remove the cooling fan and shroud from the radiator. NOTE: Check all cooling system hoses for any signs of damage, leaks or deterioration and replace if necessary. To install:
  10. Attach the cooling fan and shroud to the radiator and install the assembly.
  11. Attach the radiator bolts and brackets. Tighten the radiator bracket bolts to 7 ft. lbs. (10 Nm).
  12. Connect the coolant reservoir overflow hose.
  13. Connect the automatic transaxle cooling lines to the radiator, if equipped.
  14. Connect the upper and lower radiator hoses.
  15. Connect the fan motor and thermo-switch wire connector.
  16. Refill the system with the proper type and quantity of coolant, check for leaks and bleed the cooling system.
  17. Reconnect the negative battery cable. Fig. 7: Cooling system components — 1988–91 engines 86833085.gif
1992–95 Models
  1. Disconnect the negative battery cable.
  2. Properly drain the cooling system into a suitable container.
  3. Disconnect the fan motor and motor connector.
  4. Disconnect the upper and lower radiator hoses.
  5. Disconnect and plug the automatic transaxle cooling lines at the radiator, if equipped.
  6. Disconnect the coolant reservoir overflow hose.
  7. Remove the radiator attaching bolts and brackets.
  8. Remove the radiator with the cooling fan attached.
  9. Remove the cooling fan and shroud from the radiator. NOTE: Check all cooling system hoses for any signs of damage, leaks or deterioration and replace if necessary. To install:
  10. Attach the cooling fan and shroud to the radiator and install the assembly.
  11. Attach the radiator bolts and brackets. Tighten the radiator bracket bolts to 7 ft. lbs. (10 Nm).
  12. Connect the coolant reservoir overflow hose.
  13. Connect the automatic transaxle cooling lines to the radiator, if equipped.
  14. Connect the upper and lower radiator hoses.
  15. Connect the fan motor and thermo-switch wire connector.
  16. Refill the system with the proper type and quantity of coolant, check for leaks and bleed the cooling system.
  17. Reconnect the negative battery cable. Fig. 8: Cooling system components — 1992–95 engines 86833086.gif
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Aug 27, 2010 | 1991 Honda Civic

3 Answers

Why does my car keep overheating. I changred the thermostat and that wasn't the problem. The car isn't leaking. So can you tell me what the problem is?


Since you say you changed the thermostat, and that wasn't it then possibly the cooling fan is not functioning properly. Or bad water pump,inaccurate temperature gauge, radiator core blocked or restricted. These are just the most common reasons. Good Luck and I hope this helps a little

Aug 19, 2010 | 2002 Lincoln LS

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