Of the 2 cooling fans at the front of the A/C condensor & radiator only one works. They both had stopped but we now have one working but the other fan seems a bit stiff to rotate by hand. I want to know the procedure to remove the driver side fan (right hand drive) so that I can inspect the fan motor and check the brushes and bearings. Thanks. Norm.
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condensor sit in front of radiator if condensor damaged to badly it will block air flow through cooling fins which will block off air from radiator cooling fins when vechicle moving it will overheat if condensor or radiator damaged.your cooling fan need to be working because it will turn on when engine get to certain temperature if not engine will over heat.
WHEN HIGH PRESSURE RELIEF VALVE OPENS YOU HAVE TOO MUCH REFRIGERANT IN THE AC SYSTEM OR OVERHEATED CONDENSOR,THE COOLANT FANS NOT WORKING,COULD HAVE BAD COOLING FAN RELAY OR BLOWED FUSE.THE ENGINE COOLANT TEMPERATURE SENSOR FAULTY NOT TURNING ON THE COOLING FANS TO COOL ENGINE CONDENSOR OR RADIATOR COOLANT.
You evidently have a problemwith your engine cooling system. Check to make sure that the cooling fins on your A/C Condensor and Radiator are not clogged up with dirt and debris. Check that your mechanical fan clutch has some resistance to pushing it by hand. If it spins too freely. the fan clutch could be worn out. Check to see how much air it is actually moving through the radiator. When the engine is at operating temperature and the A/C is on, This fan should be turning at a very high speed and blowing HOT wind in your engine compartment. I believe that your vehicle is also equipped with an electric cooling fan. The electric cooling fan should be running any time the A/C compressor is engaged. If not, then you must diagnose this failure.
Sounds like the condensor fan relay is "sticking" - you are sure this is the condensor fan, and not the radiator cooling fan? As electric radiator cooling fans often run after the car is turned off - this is normal - If you are sure it is the condensor fan and it is on with the AC off - Id bet it was the relay responsible (versus the AC control unit) - Locate and remove the relay - if you have a comparable one you can substitue (Make 100% sure it uses the same plug and wiring schematic) and try that - if it now works properly you can try to locate one at your parts store....Hope that helps some....DD
You may have air trapped in the cooling system, this causes a hot spot and the fans run, This is a common issue on most front wheel cars, jack the front of the car up as high as you can, fill the coolant reservoir full, run the engine until hot,( don't overheat it) then shut down, let the engine cool, this should self bleed the air, refill the coolant bottle and retest for your problem, restore the wiring, the not running fan is for AC. Spray cold water from a hose on the radiator his will help get the air out after the shut down.