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Radiator fan is not turning.the fan that blows on the back of the radiator is not coming on,and the car is running hot. i changed thermastat,and checked all fuses inside car and under the hood. all good
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Pluged radiator , cooling fans not coming on , radiator cap bad , coolant passages clogged , Have you have system flushed ? What is the condition of coolant ? Does it have original dexcool antifreeze ?
it should be right there on the wires coming out of the fan motor or u can wire it without the sensor to stay on all the time and u know it b working then
Turn your a/c on, both fans will start. The temperature switch is located on the intake behind the thermostat housing, but it isn't near as hard to replace.
Possible fan clutch..Usually if its a fan clutch it will run hot sitting still but cool off once going down the road..If it takes a while to run hott then i would suspect a clogged radiator..When you drain it did it look like all the antifreeze came out..Ive seen half the radiater clogged up where half of it drained but the clogged section stay in the radiator
your thermostat is stuck in the closed position, replace it, anytime a hose blows off, this is usually the case, remember when replacing it that the spring part of it goes towards the motor
YOU COULD CHECK AND MAKE SURE THE COOLANT FANS ARE COMING ON , AND REMOVE THE RADIATOR CAP AND MAKE SURE YOUR RADIATOR IS NOT CLOGGED UP . I WOULD START THERE GOOD LUCK
You probably need to bleed the cooling system properly.
Open the cooling system bleeder screws.
Slowly fill the cooling system with a 50/50 coolant mixture until coolant runs freely out of bleeder screws. Close the cooling system bleeder screws Install the coolant pressure cap Start the engine. Run the engine at 2,000 - 2,500 RPM until the engine reaches normal operating temperature. (midway on gauge) Allow the engine to idle for 3 minutes. Shut the engine off. Allow the engine to completely cool. Top off the coolant as necessary.
Run engine again at 2000 - 2500 RPM until the engine reaches normal operating temperature.
Allow engine to idle until cooling fans come on. It should come on with the gauge about 3/4 of the way to red. - if it gets to where is touches the red, shut down immediately.
When the fan comes on, put your hand behind the fan and observe the temperature of the air coming from the fan. It should feel hot. If it is blowing cold air, the coolant is not circulating through the radiator like it should. This could be caused by lots of things including an improper/defective thermostat, corroded water pump impeller, or a blown head gasket.
First you should drain the antifreez by opening the drain plug located by the lower radiator hose. Then take the upper radiator hose off. Then take the 2 bolts out that hold the housing on. Remove the housng and there is your thermastat. Accordind to VW they want you to put antifreeze on the o-ring I use RTV a little extra help sealing just don't put a lot on. The book says to put thermastat in housing and turn 1/4 turn to right. I'm not sure why but thats what it says. TIP If you close the drain plug now and put as much antifreeze in as you can makes it easyer to get air pockets out later. Mount your therrmostast housing back to block and tighten bolts. Again put as much antifreeze in that you can them put upper radiator hose back on. Again put as much antifreeze in that you can. Now come the hard part sometimes getting all the air out of the cooling system. Put the radiator cap on but loose run the engine till the cooling fan kicks on but keep checking the coolant level. WARNING ANTIFREEZE WILL GET ABOVE 200 DEGREES
both upper and lower radiator hoses should be hot and radiator full. If both hoses aren't hot you have an air pocket that you have to get out. To do this run the engine a couple minutes after the fan kicks on then turn engine off for 5 or 10 minutes and start over keep doing this till both hoses get hot and the air the fan is blowing is hot. Once this is doe yout ready to go. I hose off any antifreeze that got one car so if you see antifreeze under car you know something is leaking and not what was spilled.
Beats itself?? I really dont know what that means. the cooling fan should come on when the a/c is on. when the engine is hot, the radiator should be hot. turn the a/c on and feel the air coming through, it should be HOT, if not, there is a coolant flow problem.
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